3COM CORPORATION ================ US ROBOTICS NETSERVER I-MODEM/16 Card Type Modem (asynchronous) Chip Set Unidentified Maximum Modem Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Unidentified Fax Modulation Protocol Unidentified Error Correction/Compression Unidentified Fax Class Class I & II Data Bus External +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | DC power | CN1 | RJ-45 jack | CN7 | | | | channel 5/6 | | |---------------------------+----------+--------------+------| | RJ-45 jack channel 1/2 | CN3 | RJ-45 | CN8 | | | | auxiliary | | | | | connector | | |---------------------------+----------+--------------+------| | RJ-45 jack channel 3/4 | CN4 | RJ-45 | CN9 | | | | console | | | | | connector | | |---------------------------+----------+--------------+------| | BNC network connector | CN5 | RJ-45 jack | CN10 | | | | channel 7/8 | | |---------------------------+----------+--------------+------| | RJ-45 network connector | CN6 | Power switch | SW1 | |------------------------------------------------------------| | Note: CN3, CN4, CN7, CN10 accept either RJ-11 or | | RJ-45 connectors. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |----------------------------------+----------+--------------| | Load defaults from NVRAM | SW1/1 | Off | |----------------------------------+----------+--------------| | Load defaults from ROM | SW1/1 | On | |----------------------------------+----------+--------------| | Command odd set recognition | SW1/2 | Off | | disabled | | | |----------------------------------+----------+--------------| | Command odd set recognition | SW1/2 | On | | enabled | | | |----------------------------------+----------+--------------| | Factory configured - do not | SW1/3 | Unidentified | | alter | | | |----------------------------------+----------+--------------| | Factory configured - do not | SW1/4 | Unidentified | | alter | | | |----------------------------------+----------+--------------| | Use software configured baud | SW2/3 | Off | | rate | | | |----------------------------------+----------+--------------| | Force DIP switch rate | SW2/3 | On | |----------------------------------+----------+--------------| | Normal flash memory operation | SW2/4 | Off | |----------------------------------+----------+--------------| | Erase flash memory on boot-up | SW2/4 | On | |----------------------------------+----------+--------------| | Factory configured - do not | SW2/5-10 | Unidentified | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONSOLE PORT BAUD RATE | |------------------------------------------------------------| | Rate | SW2/1 | SW2/2 | |--------------------+-------------------+-------------------| | 9600bps | Off | Off | |--------------------+-------------------+-------------------| | 19.2Kbps | Off | On | |--------------------+-------------------+-------------------| | 38.4Kbps | On | Off | |--------------------+-------------------+-------------------| | 57.6Kbps | On | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+--------+--------------+-----------------------------| | LED1 | Off | Off | Power off | |------+--------+--------------+-----------------------------| | LED1 | Green | On | Power on | |------+--------+--------------+-----------------------------| | LED1 | Red | On | Critical failure | |------+--------+--------------+-----------------------------| | LED2 | Off | Off | Channel 1 idle | |------+--------+--------------+-----------------------------| | LED2 | Green | On | Channel 1 on-line | |------+--------+--------------+-----------------------------| | LED2 | Green | Blinking | Channel 1 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED2 | Yellow | Blinking (8 | Channel 1 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED2 | Yellow | Blinking (1 | Channel 1 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED2 | Yellow | On | Channel 1 dialing | |------+--------+--------------+-----------------------------| | LED2 | Red | On | Channel 1 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED2 | Red | Blinking | Channel 1 incorrect SPID | |------+--------+--------------+-----------------------------| | LED3 | Off | Off | Channel 2 idle | |------+--------+--------------+-----------------------------| | LED3 | Green | On | Channel 2 on-line | |------+--------+--------------+-----------------------------| | LED3 | Green | Blinking | Channel 2 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED3 | Yellow | Blinking (8 | Channel 2 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED3 | Yellow | Blinking (1 | Channel 2 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED3 | Yellow | On | Channel 2 dialing | |------+--------+--------------+-----------------------------| | LED3 | Red | On | Channel 2 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED3 | Red | Blinking | Channel 2 incorrect SPID | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) (CON'T) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+--------+--------------+-----------------------------| | LED4 | Off | Off | Channel 3 idle | |------+--------+--------------+-----------------------------| | LED4 | Green | On | Channel 3 on-line | |------+--------+--------------+-----------------------------| | LED4 | Green | Blinking | Channel 3 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED4 | Yellow | Blinking (8 | Channel 3 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED4 | Yellow | Blinking (1 | Channel 3 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED4 | Yellow | On | Channel 3 dialing | |------+--------+--------------+-----------------------------| | LED4 | Red | On | Channel 3 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED4 | Red | Blinking | Channel 3 incorrect SPID | |------+--------+--------------+-----------------------------| | LED5 | Off | Off | Channel 4 idle | |------+--------+--------------+-----------------------------| | LED5 | Green | On | Channel 4 on-line | |------+--------+--------------+-----------------------------| | LED5 | Green | Blinking | Channel 4 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED5 | Yellow | Blinking (8 | Channel 4 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED5 | Yellow | Blinking (1 | Channel 4 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED5 | Yellow | On | Channel 4 dialing | |------+--------+--------------+-----------------------------| | LED5 | Red | On | Channel 4 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED5 | Red | Blinking | Channel 4 incorrect SPID | |------+--------+--------------+-----------------------------| | LED6 | Off | Off | Channel 5 idle | |------+--------+--------------+-----------------------------| | LED6 | Green | On | Channel 5 on-line | |------+--------+--------------+-----------------------------| | LED6 | Green | Blinking | Channel 5 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED6 | Yellow | Blinking (8 | Channel 5 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED6 | Yellow | Blinking (1 | Channel 5 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED6 | Yellow | On | Channel 5 dialing | |------+--------+--------------+-----------------------------| | LED6 | Red | On | Channel 5 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED6 | Red | Blinking | Channel 5 incorrect SPID | |------+--------+--------------+-----------------------------| | LED7 | Off | Off | Channel 6 idle | |------+--------+--------------+-----------------------------| | LED7 | Green | On | Channel 6 on-line | |------+--------+--------------+-----------------------------| | LED7 | Green | Blinking | Channel 6 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED7 | Yellow | Blinking (8 | Channel 6 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED7 | Yellow | Blinking (1 | Channel 6 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED7 | Yellow | On | Channel 6 dialing | |------+--------+--------------+-----------------------------| | LED7 | Red | On | Channel 6 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED7 | Red | Blinking | Channel 6 incorrect SPID | |------+--------+--------------+-----------------------------| | LED8 | Off | Off | Channel 7 idle | |------+--------+--------------+-----------------------------| | LED8 | Green | On | Channel 7 on-line | |------+--------+--------------+-----------------------------| | LED8 | Green | Blinking | Channel 7 testing data link | | | | | layer | |------+--------+--------------+-----------------------------| | LED8 | Yellow | Blinking (8 | Channel 7 searching for U | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED8 | Yellow | Blinking (1 | Channel 7 searching for S/T | | | | times/sec.) | interface | |------+--------+--------------+-----------------------------| | LED8 | Yellow | On | Channel 7 dialing | |------+--------+--------------+-----------------------------| | LED8 | Red | On | Channel 7 U interface not | | | | | found | |------+--------+--------------+-----------------------------| | LED8 | Red | Blinking | Channel 7 incorrect SPID | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) (CON'T) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-------+--------+--------------+----------------------------| | LED9 | Off | Off | Channel 8 idle | |-------+--------+--------------+----------------------------| | LED9 | Green | On | Channel 8 on-line | |-------+--------+--------------+----------------------------| | LED9 | Green | Blinking | Channel 8 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED9 | Yellow | Blinking (8 | Channel 8 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED9 | Yellow | Blinking (1 | Channel 8 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED9 | Yellow | On | Channel 8 dialing | |-------+--------+--------------+----------------------------| | LED9 | Red | On | Channel 8 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED9 | Red | Blinking | Channel 8 incorrect SPID | |-------+--------+--------------+----------------------------| | LED10 | Red | On | POST test | |-------+--------+--------------+----------------------------| | LED10 | Green | Blinking (1 | checking for software | | | | times/sec.) | download | |-------+--------+--------------+----------------------------| | LED10 | Green | Blinking (8 | loading NETserver | | | | times/sec.) | application into RAM | |-------+--------+--------------+----------------------------| | LED10 | Green | On | normal operation | |-------+--------+--------------+----------------------------| | LED11 | Red | On | POST | |-------+--------+--------------+----------------------------| | LED11 | Green | On | Erasing flash memory | |-------+--------+--------------+----------------------------| | LED11 | Amber | On | Programming flash memmory | |-------+--------+--------------+----------------------------| | LED11 | Off | Off | Normal | |-------+--------+--------------+----------------------------| | LED12 | Red | On | Interface failure | |-------+--------+--------------+----------------------------| | LED12 | Green | On | Transmitting packet | |-------+--------+--------------+----------------------------| | LED12 | Off | Off | Idle | |-------+--------+--------------+----------------------------| | LED13 | Red | On | Interface failure | |-------+--------+--------------+----------------------------| | LED13 | Green | On | Receiving packet | |-------+--------+--------------+----------------------------| | LED13 | Off | Off | Idle | |-------+--------+--------------+----------------------------| | LED14 | Red | Blinking | Collision (1 blink per | | | | | collision) | |-------+--------+--------------+----------------------------| | LED14 | Green | On | 10 base-T link detected | |-------+--------+--------------+----------------------------| | LED14 | Off | Off | 10 base-2 link connection | | | | | (If 10 base-T is being | | | | | used, this indicates a bad | | | | | link) | |-------+--------+--------------+----------------------------| | LED15 | Green | Blinking | Characters being | | | | | received/transmitted | | | | | through serial port | |-------+--------+--------------+----------------------------| | LED15 | Off | Off | Serial port idle | |-------+--------+--------------+----------------------------| | LED16 | Off | Off | Power off | |-------+--------+--------------+----------------------------| | LED16 | Green | On | Power on | |-------+--------+--------------+----------------------------| | LED16 | Red | On | Critical failure | |-------+--------+--------------+----------------------------| | LED17 | Off | Off | Channel 1 idle | |-------+--------+--------------+----------------------------| | LED17 | Green | On | Channel 1 on-line | |-------+--------+--------------+----------------------------| | LED17 | Green | Blinking | Channel 1 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED17 | Yellow | Blinking (8 | Channel 1 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED17 | Yellow | Blinking (1 | Channel 1 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED17 | Yellow | On | Channel 1 dialing | |-------+--------+--------------+----------------------------| | LED17 | Red | On | Channel 1 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED17 | Red | Blinking | Channel 1 incorrect SPID | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) (CON'T) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-------+--------+--------------+----------------------------| | LED18 | Off | Off | Channel 2 idle | |-------+--------+--------------+----------------------------| | LED18 | Green | On | Channel 2 on-line | |-------+--------+--------------+----------------------------| | LED18 | Green | Blinking | Channel 2 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED18 | Yellow | Blinking (8 | Channel 2 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED18 | Yellow | Blinking (1 | Channel 2 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED18 | Yellow | On | Channel 2 dialing | |-------+--------+--------------+----------------------------| | LED18 | Red | On | Channel 2 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED18 | Red | Blinking | Channel 2 incorrect SPID | |-------+--------+--------------+----------------------------| | LED19 | Off | Off | Channel 3 idle | |-------+--------+--------------+----------------------------| | LED19 | Green | On | Channel 3 on-line | |-------+--------+--------------+----------------------------| | LED19 | Green | Blinking | Channel 3 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED19 | Yellow | Blinking (8 | Channel 3 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED19 | Yellow | Blinking (1 | Channel 3 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED19 | Yellow | On | Channel 3 dialing | |-------+--------+--------------+----------------------------| | LED19 | Red | On | Channel 3 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED19 | Red | Blinking | Channel 3 incorrect SPID | |-------+--------+--------------+----------------------------| | LED20 | Off | Off | Channel 4 idle | |-------+--------+--------------+----------------------------| | LED20 | Green | On | Channel 4 on-line | |-------+--------+--------------+----------------------------| | LED20 | Green | Blinking | Channel 4 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED20 | Yellow | Blinking (8 | Channel 4 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED20 | Yellow | Blinking (1 | Channel 4 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED20 | Yellow | On | Channel 4 dialing | |-------+--------+--------------+----------------------------| | LED20 | Red | On | Channel 4 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED20 | Red | Blinking | Channel 4 incorrect SPID | |-------+--------+--------------+----------------------------| | LED21 | Off | Off | Channel 5 idle | |-------+--------+--------------+----------------------------| | LED21 | Green | On | Channel 5 on-line | |-------+--------+--------------+----------------------------| | LED21 | Green | Blinking | Channel 5 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED21 | Yellow | Blinking (8 | Channel 5 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED21 | Yellow | Blinking (1 | Channel 5 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED21 | Yellow | On | Channel 5 dialing | |-------+--------+--------------+----------------------------| | LED21 | Red | On | Channel 5 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED21 | Red | Blinking | Channel 5 incorrect SPID | |-------+--------+--------------+----------------------------| | LED22 | Off | Off | Channel 6 idle | |-------+--------+--------------+----------------------------| | LED22 | Green | On | Channel 6 on-line | |-------+--------+--------------+----------------------------| | LED22 | Green | Blinking | Channel 6 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED22 | Yellow | Blinking (8 | Channel 6 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED22 | Yellow | Blinking (1 | Channel 6 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED22 | Yellow | On | Channel 6 dialing | |-------+--------+--------------+----------------------------| | LED22 | Red | On | Channel 6 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED22 | Red | Blinking | Channel 6 incorrect SPID | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) (CON'T) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-------+--------+--------------+----------------------------| | LED23 | Off | Off | Channel 7 idle | |-------+--------+--------------+----------------------------| | LED23 | Green | On | Channel 7 on-line | |-------+--------+--------------+----------------------------| | LED23 | Green | Blinking | Channel 7 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED23 | Yellow | Blinking (8 | Channel 7 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED23 | Yellow | Blinking (1 | Channel 7 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED23 | Yellow | On | Channel 7 dialing | |-------+--------+--------------+----------------------------| | LED23 | Red | On | Channel 7 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED23 | Red | Blinking | Channel 7 incorrect SPID | |-------+--------+--------------+----------------------------| | LED24 | Off | Off | Channel 8 idle | |-------+--------+--------------+----------------------------| | LED24 | Green | On | Channel 8 on-line | |-------+--------+--------------+----------------------------| | LED24 | Green | Blinking | Channel 8 testing data | | | | | link layer | |-------+--------+--------------+----------------------------| | LED24 | Yellow | Blinking (8 | Channel 8 searching for U | | | | times/sec.) | interface | |-------+--------+--------------+----------------------------| | LED24 | Yellow | Blinking (1 | Channel 8 searching for | | | | times/sec.) | S/T interface | |-------+--------+--------------+----------------------------| | LED24 | Yellow | On | Channel 8 dialing | |-------+--------+--------------+----------------------------| | LED24 | Red | On | Channel 8 U interface not | | | | | found | |-------+--------+--------------+----------------------------| | LED24 | Red | Blinking | Channel 8 incorrect SPID | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, B, C, E, F, O, V | |------------------------------------------------------------| | &C, &G, &W, &Z | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S18, S26 | |------------------------------------------------------------| | Note: See MHI Help File for full command documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | HELP | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] #$ [cmds] | |--------------+---------------------------------------------| | Description: | Display the help pannels for the octothorpe | | | (#) command set | +------------------------------------------------------------+ +------------------------------------------------------------+ | ADDITIONASL RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &An [cmds] | |--------------+---------------------------------------------| | Description: | Controls the display of the additional | | | result codes | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &A0 | Do not display ARQ result codes | |--------------+---------------------------------------------| | &A1 | Display ARQ result codes | |--------------+---------------------------------------------| | &A2 | Display ARQ result codes, HST, V.32, V.FC | | | or V.34 modulation indicator | |--------------+---------------------------------------------| | &A3 | Display ARQ result codes and error control | | | indicator LAPM, HST, MNP, SYNC, or NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK HANDLING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Yn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the break handling | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &Y0 | Destructive, don't send break | |--------------+---------------------------------------------| | &Y1 | Destructive, expedited break sent | |--------------+---------------------------------------------| | &Y2 | Nondestructive, expedited break sent | |--------------+---------------------------------------------| | &Y3 | Nondestructive un-expedited break sent | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTION RATE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the connection rate | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &N0 | Variable rate | |--------------+---------------------------------------------| | &N1 | 300bps | |--------------+---------------------------------------------| | &N2 | 1200bps | |--------------+---------------------------------------------| | &N3 | 2400bps | |--------------+---------------------------------------------| | &N4 | 4800bps | |--------------+---------------------------------------------| | &N5 | 7200bps | |--------------+---------------------------------------------| | &N6 | 9600bps | |--------------+---------------------------------------------| | &N7 | 12Kbps | |--------------+---------------------------------------------| | &N8 | 14.4Kbps | |--------------+---------------------------------------------| | &N9 | 16.8Kbps | |--------------+---------------------------------------------| | &N10 | 19.2Kbps | |--------------+---------------------------------------------| | &N11 | 21.6Kbps | |--------------+---------------------------------------------| | &N12 | 24Kbps | |--------------+---------------------------------------------| | &N13 | 26.4Kbps | |--------------+---------------------------------------------| | &N14 | 28.8Kbps | |--------------+---------------------------------------------| | &N15 | 31.2Kbps | |--------------+---------------------------------------------| | &N16 | 33.6Kbps | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Data compression disabled | |--------------+---------------------------------------------| | i &K1 | Use auto enable/disable data compression | |--------------+---------------------------------------------| | &K2 | Data compression always enabled | |--------------+---------------------------------------------| | &K3 | Selective data compression | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SET READY (DSR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Selects DSR options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &S0 | DSR forced high | |--------------+---------------------------------------------| | i &S1 | DSR high only while modem is handshaking or | | | connected | |--------------+---------------------------------------------| | &S2 | DSR and CTS follows CD when carrier is lost | |--------------+---------------------------------------------| | &S3 | DSR follows CD when carrier is lost | |--------------+---------------------------------------------| | &S4 | Send the computer a DSR signal at the same | | | time as the CD | |--------------+---------------------------------------------| | &S5 | Send DSR normally, and follow CTS with CD | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA TERMINAL READY (DTR) | |------------------------------------------------------------| | Type: | Configuration | |---------------+--------------------------------------------| | Format: | AT [cmds] &Dn [cmds] | |---------------+--------------------------------------------| | Description: | Selects modem response to DTR | |------------------------------------------------------------| | Note: The action each variant of &D causes depends on | | the setting of &Q | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | i &D0 | Modem does not respond to DTR | |---------------+--------------------------------------------| | &D1 | Modem goes to command mode after DTR goes | | | is off | |---------------+--------------------------------------------| | &D2 | Modem goes to command mode and disconnects | | | (hangs up) after DTR goes off; Auto-Answer | | | is disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] D<#> [cmds] | |--------------+---------------------------------------------| | Description: | Dials telephone number according to any | | | modifiers included in the string | |--------------+---------------------------------------------| | Note: | Any combination of modifiers can be used to | | | produce the desired dial functions in | | | sequence. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | DL | Re-dial last number | |--------------+---------------------------------------------| | DP | Pulse dialing enabled | |--------------+---------------------------------------------| | DR | Reverse frequencies. | |--------------+---------------------------------------------| | DS=n | Dial stored telephone number n | |--------------+---------------------------------------------| | DT | Tone dialing enabled/Pulse dialing disabled | |--------------+---------------------------------------------| | DW | Dialing resumed following dial tone | | | detection | |--------------+---------------------------------------------| | D, | Dialing paused for amount of time specified | | | in S8 register | |--------------+---------------------------------------------| | D"WXY" | Optional method of denoting telephone | | | numbers. Letters enclosed in quotes are | | | interpreted as numbers according to the | | | system found on a telephone keypad. | |--------------+---------------------------------------------| | D@ | Wait for Quite Answer function enabled. | | | Modem waits until a "quiet answer," a | | | ring-back signal followed by silence up to | | | the time specified in S7, is received prior | | | to executing the rest of the dial string. | |--------------+---------------------------------------------| | D$ | Wait for prompt tone detection function | | | enabled. Waits for prompt tone for amount | | | of time specified by the S7 command. | |--------------+---------------------------------------------| | D; | Modem returned to idle state after dialing. | | | The semicolon can only be placed at the end | | | of the dial command. | |--------------+---------------------------------------------| | D" | Dial the letters that follow | |--------------+---------------------------------------------| | D/ | Pause for 125 milliseconds | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERROR CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Mn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the error control protocol | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | i &M0 | Normal mode, no error control | |--------------+---------------------------------------------| | &M1 | Online synchronous mode | |--------------+---------------------------------------------| | &M4 | Normal/ARQ mode, | |--------------+---------------------------------------------| | &M5 | ARQ asynchronous mode | |--------------+---------------------------------------------| | &M6 | V.25bis synchronous mode. | |--------------+---------------------------------------------| | &M7 | V.25bis synchronous mode using HDLC link | | | protocol | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY DEFAULT PROFILE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &F [cmds] | |--------------+---------------------------------------------| | Description: | Sets values in active profile to values | | | found in the default profile | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &F0 | Load No Flow Control template settings | |--------------+---------------------------------------------| | &F1 | Load Hardware Flow Control template | | | settings | |--------------+---------------------------------------------| | &F2 | Load Software Flow Control template | | | settings | +------------------------------------------------------------+ +------------------------------------------------------------+ | HARDWARE RESET | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Z! [cmds] | |--------------+---------------------------------------------| | Description: | If SW1/1 is on, then revert to the settings | | | in NVRAM. If SW1/1 is off, reset to the &F0 | | | configuration template | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] $ | |--------------+---------------------------------------------| | Description: | Display help screens for the AT basic | | | command set | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &$ | |--------------+---------------------------------------------| | Description: | Display help screens for the & command set | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] *$ | |--------------+---------------------------------------------| | Description: | Display help screens for the * command set | +------------------------------------------------------------+ +------------------------------------------------------------+ | HOOK CONTROL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Hn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem is on-hook or | | | off-hook | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i H0 | Modem commanded to go on-hook (hang-up) | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Ln [cmds] | |--------------+---------------------------------------------| | Description: | Selects line type | |--------------+---------------------------------------------| | Command | Line Type | |--------------+---------------------------------------------| | i &L0 | Switched line (PSTN/Dial-up) | +------------------------------------------------------------+ +------------------------------------------------------------+ | MODEM CLOCK | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Kn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the modem clock | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i K0 | If on-line, display current call duration; | | | if off-line, display the last call's | | | duration | |--------------+---------------------------------------------| | K1 | Display the actual time (set clock using | | | ATI3=HH:MM:SS K1) | +------------------------------------------------------------+ +------------------------------------------------------------+ | RECEIVE DATA FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &In [cmds] | |--------------+---------------------------------------------| | Description: | Controls the receive data flow control | |--------------+---------------------------------------------| | Command | Jack Type | |--------------+---------------------------------------------| | i &I0 | Disables XON/XOFF flow control | |--------------+---------------------------------------------| | &I1 | Modem acts on typed XON/XOFF commands, Ctrl | | | -S, or Ctrl -Q and passes them to remote | | | device | |--------------+---------------------------------------------| | &I2 | Modem acts on typed XON/XOFF commands but | | | removes them from data stream | |--------------+---------------------------------------------| | &I3 | Hewlett Packard host mode | |--------------+---------------------------------------------| | &I4 | Hewlett Packard terminal mode | |--------------+---------------------------------------------| | &I5 | Enable flow control on the phone link when | | | the connection is not under error control | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPEAT LAST ISSUED COMMAND | |------------------------------------------------------------| | Type: | Immediate | |---------------+--------------------------------------------| | Format: | A> | |---------------+--------------------------------------------| | Description: | Repeats last issued command until any key | | | is pressed | |------------------------------------------------------------| | Note: Do not precede this command with AT, or follow | | it with . | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports 4 digit product code | |--------------+---------------------------------------------| | I1 | Reports results of ROM checksum | |--------------+---------------------------------------------| | I2 | Reports results of RAM test | |--------------+---------------------------------------------| | I3 | Reports the product name | |--------------+---------------------------------------------| | I4 | Reports the current modem settings | |--------------+---------------------------------------------| | I5 | Reports the settings stored in NVRAM | |--------------+---------------------------------------------| | I6 | Reports statistics for the last call | |--------------+---------------------------------------------| | I7 | Reports product configuration | |--------------+---------------------------------------------| | I10 | Reports dial security account status | | | information | |--------------+---------------------------------------------| | I11 | Displays high speed connection report | |--------------+---------------------------------------------| | I12 | Reports ISDN settings | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Qn [cmds] | |--------------+---------------------------------------------| | Description: | Enables modem to send result codes to the | | | DTE | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i Q0 | Result code sending enabled | |--------------+---------------------------------------------| | Q1 | Result code sending disabled | |--------------+---------------------------------------------| | Q2 | Suppress result codes when answering | +------------------------------------------------------------+ +------------------------------------------------------------+ | RTS/CTS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Rn [cmds] | |--------------+---------------------------------------------| | Description: | Selects RTS/CTS options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &R0 | CTS follows RTS in data mode; RTS is | | | ignored in command mode. | |--------------+---------------------------------------------| | &R1 | CTS forced high, RTS is ignored. | |--------------+---------------------------------------------| | &R2 | Enable hardware flow control of received | | | data | +------------------------------------------------------------+ +------------------------------------------------------------+ | SELECT CALL PROGRESS RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Xn [cmds] | |--------------+---------------------------------------------| | Description: | Enables selection of tone detection and | | | associated result code format options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | X0 | Busy and dial tone detection disabled; | | | result codes 0 - 4 enabled. | |--------------+---------------------------------------------| | X1 | Busy and dial tone detection disabled; | | | result codes 0 - 5 & 10 enabled. | |--------------+---------------------------------------------| | X2 | Busy tone detection disabled, dial tone | | | detection enabled; result codes 0 - 6 & 10 | | | enabled. | |--------------+---------------------------------------------| | X3 | Busy tone detection enabled, dial tone | | | detection disabled; result codes 0 - 5, 7 & | | | 10 enabled. | |--------------+---------------------------------------------| | I X4 | Busy and dial tone detection enabled; | | | result codes 0 - 7 & 10 enabled. | |--------------+---------------------------------------------| | X5 | Busy tone detection enabled, dial tone | | | detection disabled, all result codes | | | enabled | |--------------+---------------------------------------------| | X6 | All result codes enabled | |--------------+---------------------------------------------| | X7 | Voice detection disabled, all result codes | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT RATE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the serial port rate | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &B0 | Variable serial port rate | |--------------+---------------------------------------------| | &B1 | Fixed serial port rate | |--------------+---------------------------------------------| | &B2 | In answer mode use fixed rate for ARQ calls | | | and variable rate for non ARQ calls. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SOFTWARE RESET | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Z [cmds] | |--------------+---------------------------------------------| | Description: | If SW1/1 is set to on, revert to the | | | settings in NVRAM. If SW1/1 is set to off, | | | reset to the &F0 configuration template | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Tn | |--------------+---------------------------------------------| | Description: | Selects test options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &T0 | End current test | |--------------+---------------------------------------------| | &T3 | Begin local digital loopback | |--------------+---------------------------------------------| | &T4 | Grant remote digital loopback request | |--------------+---------------------------------------------| | &T5 | Deny remote digital loopback request | |--------------+---------------------------------------------| | &T6 | Request remote digital loopback | |--------------+---------------------------------------------| | &T7 | Request remote digital loopback and | | | self-test | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMIT DATA FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Hn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the transmit data flow | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &H0 | Flow control disabled | |--------------+---------------------------------------------| | &H1 | Use hardware flow control enabled | |--------------+---------------------------------------------| | &H2 | Use software flow control enabled | |--------------+---------------------------------------------| | &H3 | Use both hardware and software flow control | | | enabled | +------------------------------------------------------------+ Extended AT Commands +------------------------------------------------------------+ | ASSIGN PASSWORD | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %V=PWn [cmds] | |--------------+---------------------------------------------| | Description: | Assign the password in account n in | | | security account | +------------------------------------------------------------+ +------------------------------------------------------------+ | CALL TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Vn [cmds] | |--------------+---------------------------------------------| | Description: | Set the call type for each B-channel | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i *V0 | 0-5 for B-channel 1 | |--------------+---------------------------------------------| | *V1 | 0-5 for B-channel 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIRECTORY NUMBER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Pn [cmds] | |--------------+---------------------------------------------| | Description: | Set the directory number that was assigned | | | to you by your telephone company | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i *P1 | The DN for B-channel 1 | |--------------+---------------------------------------------| | *P2 | The DN for B-channel 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | ERASE SECURITY SETTINGS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %En [cmds] | |--------------+---------------------------------------------| | Description: | Erases selected security settings | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %E1 | Erase local access password | |--------------+---------------------------------------------| | %E2 | Erase autopass password | |--------------+---------------------------------------------| | %E3 | Erase passwords in accounts 0-9 | |--------------+---------------------------------------------| | %E4 | Erase phone numbers in accounts 0-9 | |--------------+---------------------------------------------| | %E5 | Disable account, dialback, and new number | | | fields in accouns 0-9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL ACCESS PASSWORD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Ln [cmds] | |--------------+---------------------------------------------| | Description: | Set local access password | +------------------------------------------------------------+ +------------------------------------------------------------+ | PASSWORD SECURITY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %P [cmds] | |--------------+---------------------------------------------| | Description: | Disable password security | +------------------------------------------------------------+ +------------------------------------------------------------+ | POINT TO POINT SELECTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Mn [cmds] | |--------------+---------------------------------------------| | Description: | Select point to point or multipoint | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i *M0 | Point to point | |--------------+---------------------------------------------| | *M1 | Multipoint | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Cn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the remote configuration | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Defer configuration changes until the call | | | is ended | |--------------+---------------------------------------------| | %C1 | Cancel configuration changes and restore | | | the original configuration | |--------------+---------------------------------------------| | %C2 | Force configuration changes to take effect | | | immediately | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE CONFIGURATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Fn [cmds] | |--------------+---------------------------------------------| | Description: | Configure another device's data remotely | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %F0 | No parity, 8 data bits | |--------------+---------------------------------------------| | %F1 | Mark parity, 7 data bits | |--------------+---------------------------------------------| | %F2 | Odd parity, 7 data bits | |--------------+---------------------------------------------| | %F3 | Even parity, 7 data bits | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY ACCOUNTS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %An [cmds] | |--------------+---------------------------------------------| | Description: | Create and configure security accounts | +------------------------------------------------------------+ +------------------------------------------------------------+ | SECURITY ACCOUNTS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Sn [cmds] | |--------------+---------------------------------------------| | Description: | Access security accounts | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT RATE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Bn [cmds] | |--------------+---------------------------------------------| | Description: | Remotely configure a modem's serial port | | | rate | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %B0 | 110bps | |--------------+---------------------------------------------| | %B1 | 300bps | |--------------+---------------------------------------------| | %B2 | 600bps | |--------------+---------------------------------------------| | %B3 | 1200bps | |--------------+---------------------------------------------| | %B4 | 2400bps | |--------------+---------------------------------------------| | %B5 | 4800bps | |--------------+---------------------------------------------| | %B6 | 9600bps | |--------------+---------------------------------------------| | %B7 | 19200bps | |--------------+---------------------------------------------| | %B8 | 38400bps | |--------------+---------------------------------------------| | %B9 | 57600bps | |--------------+---------------------------------------------| | %B10 | 115200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERVICE PROFILE ID | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Sn [cmds] | |--------------+---------------------------------------------| | Description: | Set the service profile ID | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i *S1 | the SPID for B-channel 1 | |--------------+---------------------------------------------| | *S2 | The SPID for B-channel 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SWITCH PROTOCOL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Wn [cmds] | |--------------+---------------------------------------------| | Description: | Set the switch protocol used at the | | | telephone company's central office | |--------------+---------------------------------------------| | Command | Jack Type | |--------------+---------------------------------------------| | i *W0 | AT&T 5ESS Custom | |--------------+---------------------------------------------| | *W1 | Northern Telecom DMS-100 | |--------------+---------------------------------------------| | *W2 | National ISDN-1 | |--------------+---------------------------------------------| | *W3 | National ISDN-2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | TERMINAL ENDPOINT ID | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *T [cmds] | |--------------+---------------------------------------------| | Description: | Sets the terminal endpoint (TEI) | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i *T1 | 0-63 for B-channel 1 | |--------------+---------------------------------------------| | *T2 | 0-63 for B-channel 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | TONE FREQUENCIES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Tn [cmds] | |--------------+---------------------------------------------| | Description: | Enalbes recognition of the tone frequencies | +------------------------------------------------------------+ S(status) -REGISTERS +------------------------------------------------------------+ | BIT MAPPED REGISTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S15=n [cmds] | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls fallback | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Disable the modem's extra high frequency | | | | equalization if it causes problems on | | | | shorter -link calls- for HST modulation | | | | only | |------+-------+---------------------------------------------| | 1 | 2 | Disable online fallback | |------+-------+---------------------------------------------| | 2 | 4 | Disable 450bps back channel ---HST only | |------+-------+---------------------------------------------| | 3 | 8 | Reset non-ARQ mode transmit buffer from | | | | 1.5Kbytes to 128 | |------+-------+---------------------------------------------| | 4 | 16 | Disable MNP level 4 | |------+-------+---------------------------------------------| | 5 | 32 | Set backspace key to delete | |------+-------+---------------------------------------------| | 6 | 64 | Alternate MNP setting for some 2400bps MNP | | | | modems not made by U.S. Robotics of | | | | Microcom. | |------+-------+---------------------------------------------| | 7 | 128 | Custom applications only | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT MAPPED REGISTER S16 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S16=n [cmds] | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls loopback tests and test pattern | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 2 | 4 | Test pattern | |------+-------+---------------------------------------------| | 3 | 8 | Remote digital loopback | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT MAPPED REGISTER S53 | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S53=n [cmds] | |-----------------+------------------------------------------| | Description: | Bit mapped register | |------------------------------------------------------------| | Bit | Value | Function | |-----------+-------+----------------------------------------| | 0 | 1 | Dial security enabled | |-----------+-------+----------------------------------------| | 1 | 2 | Prompting enabled | |-----------+-------+----------------------------------------| | 2 | 4 | Local access password protection | | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT MAPPED REGISTER S54 | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S54=n [cmds] | |----------------+-------------------------------------------| | Description: | Bit mapped register | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 0 | 1 | Disable 2400 symbol rate | |----------+-------+-----------------------------------------| | 1 | 2 | Disable 2743 symbol rate | |----------+-------+-----------------------------------------| | 2 | 4 | Disable 2800 symbol rate | |----------+-------+-----------------------------------------| | 3 | 8 | Disable 3000 symbol rate | |----------+-------+-----------------------------------------| | 4 | 16 | Disable 3200 symbol rate | |----------+-------+-----------------------------------------| | 5 | 32 | Disable 3429 symbol rate | |----------+-------+-----------------------------------------| | 6 | 64 | Disable Call Indicate | |----------+-------+-----------------------------------------| | 7 | 128 | Disable V.8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S13 | |------------------------------------------------------------| | Format: | AT [cmds] S13=n [cmds] | |--------------+---------------------------------------------| | Default: | 170 | |--------------+---------------------------------------------| | Range: | 0-174 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls echo, result codes and display, | | | dial mode, and answer/originate mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Reset when DTR drops | |------+-------+---------------------------------------------| | 1 | 2 | Reverse normal auto answer mode | |------+-------+---------------------------------------------| | 2 | 4 | Disable 250 msec pause before result code | | | | display | |------+-------+---------------------------------------------| | 3 | 8 | On DTR signal, Autodial the number stored | | | | in NVRAM at position 0 | |------+-------+---------------------------------------------| | 4 | 16 | At power on/reset, auto dial number stored | | | | in NVRAM at position 0 | |------+-------+---------------------------------------------| | 5 | 32 | Disable HST | |------+-------+---------------------------------------------| | 6 | 64 | Disable MNP level 3 | |------+-------+---------------------------------------------| | 7 | 128 | Hardware reset | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S14 | |------------------------------------------------------------| | Format: | AT [cmds] S14=n [cmds] | |--------------+---------------------------------------------| | Default: | 170 | |--------------+---------------------------------------------| | Range: | 0-174 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls echo, result codes and display, | | | dial mode, and answer/originate mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 1 | Disconnect on escape code | |------+-------+---------------------------------------------| | 1 | 2 | Send result codes only when originating a | | | | call | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S28 | |------------------------------------------------------------| | Format | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 8 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sets the duration of the extra 3000/600 Hz | | | answer tones sent during handshaking. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BITMAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 0 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects modulation | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Enable ITU-T V.21 | |------+-------+---------------------------------------------| | 1 | 2 | Enable unencoded modulation in V.32 mode | |------+-------+---------------------------------------------| | 2 | 4 | Disable V.32 modulation | |------+-------+---------------------------------------------| | 3 | 8 | Disabl;e 2100Hz answer tone | |------+-------+---------------------------------------------| | 4 | 0 | Complete handshaking sequence:V.42 | | | | detection, LAPM error control, MNP | | | 16 | | | | | Disable MNP | | | 0 | | | | | Disable V.42 detection and LAPM | | | 16 | | | | | Disable detection phase | |------+-------+---------------------------------------------| | 5 | 0 | Complete handshaking sequence:V.42 | | | | detection, LAPM error control, MNP | | | 0 | | | | | Disable MNP | | | 32 | | | | | Disable V.42 detection and LAPM | | | 32 | | | | | Disable detection phase | |------+-------+---------------------------------------------| | 7 | 128 | Unusual software incompatibility | +------------------------------------------------------------+ +------------------------------------------------------------+ | BITMAPPED REGISTER S29 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S29=n [cmds] | |--------------+---------------------------------------------| | Default: | 20 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | .1 sec | |--------------+---------------------------------------------| | Description: | Sets the duration of the V.21 answer tone | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S34 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S34n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Controls V.32bis | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Disable V.32bis | |------+-------+---------------------------------------------| | 1 | 2 | Disable modem's enhanced proprietary | | | | V.32bis modulation | |------+-------+---------------------------------------------| | 2 | 4 | Disable the faster retrains that occure | | | | during proprietary V.32terbo modulation | |------+-------+---------------------------------------------| | 3 | 8 | Enable V.23 | |------+-------+---------------------------------------------| | 4 | 16 | Force the MR LED to show DSR | |------+-------+---------------------------------------------| | 5 | 32 | Enable MI/MIC | |------+-------+---------------------------------------------| | 6 | 64 | Disable the remote access busy message | |------+-------+---------------------------------------------| | 7 | 128 | Disable V.32terbo | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S51 | |------------------------------------------------------------| | Format | AT [cmds] S51=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | MNP/V.42 control | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Disable MNP/V.42 for V.22 | |------+-------+---------------------------------------------| | 1 | 2 | Disable MNP/V.42 for V.22bis | |------+-------+---------------------------------------------| | 2 | 4 | Disable MNP/V.42 for V.32/V.32bis/V.32terbo | |------+-------+---------------------------------------------| | 6 | 64 | Disable selective reject | |------+-------+---------------------------------------------| | 7 | 128 | Enable handset exclusion delay | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S55 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S55=n [cmds] | |--------------+---------------------------------------------| | Description: | Bit-mapped register | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Disable 8S-2D mapping | |------+-------+---------------------------------------------| | 1 | 2 | Disable 16S-4D mapping | |------+-------+---------------------------------------------| | 2 | 4 | Disable 32S-2D mapping | |------+-------+---------------------------------------------| | 3 | 8 | Disable 64S-4D mapping | |------+-------+---------------------------------------------| | 7 | 128 | Enable phase roll detection | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S56 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S56 [cmds] | |--------------+---------------------------------------------| | Description: | Bit-mapped register | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Disable non-linear coding | |------+-------+---------------------------------------------| | 1 | 2 | Disable TX level deviation | |------+-------+---------------------------------------------| | 2 | 4 | Disable pre-emphasis | |------+-------+---------------------------------------------| | 3 | 8 | Disable precoding | |------+-------+---------------------------------------------| | 4 | 16 | Disable shaping | |------+-------+---------------------------------------------| | 5 | 32 | Disable 31.2 and 33.6 speeds in V.34 | |------+-------+---------------------------------------------| | 6 | 64 | Disable V.34 | |------+-------+---------------------------------------------| | 7 | 128 | Disable V.FC | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S69 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S69=n [cmds] | |--------------+---------------------------------------------| | Description: | Bit-mapped register | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Disable plug and play signaling | |------+-------+---------------------------------------------| | 1 | 2 | Enable carrier loss redial | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S70 | |------------------------------------------------------------| | Type | Register or Configuration | |--------------+---------------------------------------------| | Format | AT [cmds] S70=n [cmds] | |--------------+---------------------------------------------| | Description | Bit-mapped register | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 1 | Enable recognition of Ring A | |------+-------+---------------------------------------------| | 1 | 2 | Enable recognition of Ring B | |------+-------+---------------------------------------------| | 2 | 4 | Enable recognition of Ring C | |------+-------+---------------------------------------------| | 3 | 8 | Enable recognition of Ring D | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK LENGTH | |------------------------------------------------------------| | Format | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | 10msec | |--------------+---------------------------------------------| | Description: | Sets the duration of breaks sent from the | | | modem to the computer or terminal | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR RECOGNITION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S25=n [cmds] | |--------------+---------------------------------------------| | Default: | 5 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sets DTR recognition time | +------------------------------------------------------------+ +------------------------------------------------------------+ | DSR SIGNAL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S24=n [cmds] | |--------------+---------------------------------------------| | Default: | 150 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | .02 sec | |--------------+---------------------------------------------| | Description: | Sets the duration between pulsed DSR | | | signals when the modem is set to &S2 or | | | &S3. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Format | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Description: | Stores the ASCII code for the XOFF | | | character | +------------------------------------------------------------+ +------------------------------------------------------------+ | GUARD TIME DURATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S43=n [cmds] | |--------------+---------------------------------------------| | Default: | 200 | |--------------+---------------------------------------------| | Unit: | .02 sec | |--------------+---------------------------------------------| | Description: | Sets the duration of the guard time for the | | | remote access sequence | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Minute | |--------------+---------------------------------------------| | Description: | Sets the duration in minutes for the | | | inactivity timer, S19=0 disables the timer | +------------------------------------------------------------+ +------------------------------------------------------------+ | REESTABLISHING CONNECTION INTERVAL | |------------------------------------------------------------| | Format | AT [cmds] S44=n [cmds] | |--------------+---------------------------------------------| | Default: | 15 | |--------------+---------------------------------------------| | Description: | Sets the duration of the interval between | | | losing carrier and reestablishing a | | | connection | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE ACCESS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S41=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the number of allowable remote access | | | login attempts, thus enabling or disabling | | | remote access. | +------------------------------------------------------------+ +------------------------------------------------------------+ | REMOTE ACCESS ESCAPE CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S42=n [cmds] | |--------------+---------------------------------------------| | Default: | 126 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Stores the ASCII decimal code for the | | | remote access escape character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMIT BUFFER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S38n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the time before a forced hang up and | | | clearing of the transmit buffer when DTR | | | drops during an ARQ call. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VOICE/DATA SWITCH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S32=n [cmds] | |--------------+---------------------------------------------| | Default: | 9 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Assign voice/data switch function | |--------------+---------------------------------------------| | Value | Function | |--------------+---------------------------------------------| | 0 | Disabled | |--------------+---------------------------------------------| | 1 | Voice/data - originate mode | |--------------+---------------------------------------------| | 2 | Voice/data - answer mode | |--------------+---------------------------------------------| | 3 | Radial last number | |--------------+---------------------------------------------| | 4 | Dial number stored at position 0 | |--------------+---------------------------------------------| | 5 | Auto answer on/off toggle | |--------------+---------------------------------------------| | 6 | Reset modem | |--------------+---------------------------------------------| | 7 | Initiate remote digital loopback | |--------------+---------------------------------------------| | 8 | Busy out the phone line toggle | |--------------+---------------------------------------------| | 9 | Execute stored command | +------------------------------------------------------------+ +------------------------------------------------------------+ | XON CHARACTER | |------------------------------------------------------------| | Format | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Stores the ASCII code for XON character | +------------------------------------------------------------+