ALPHA TELECOM, INC. =================== UTA120 Card Type ISDN TA Chip Set Unidentified I/O Options Power, ISDN BRI interface via RJ-45 connector, RJ-11 analog port (2), ISDN U interface via RJ-11 connector, 9-pin data port ISDN Rate 128Kbps ISDN Modulation V.120, HDLC, PPP Protocol Error Unidentified Correction/Compression Data Bus External +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Power | CN1 | ISDN U | CN5 | | | | interface | | | | | (RJ-11) | | |----------------------------+---------+---------------+-----| | Telephone line 1 (RJ-11) | CN2 | 9-pin serial | CN6 | | | | port | | |----------------------------+---------+---------------+-----| | Telephone line 2 (RJ-11) | CN3 | Power switch | SW1 | |----------------------------+---------+---------------+-----| | ISDN BRI interface (RJ-45) | CN4 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |-------------------------------------+-------+--------------| | Remote configuration enabled | SW1/1 | On | |-------------------------------------+-------+--------------| | Remote configuration disabled | SW1/1 | Off | |-------------------------------------+-------+--------------| | Local loopback enabled | SW1/2 | On | |-------------------------------------+-------+--------------| | Local loopback disabled | SW1/2 | Off | |-------------------------------------+-------+--------------| | Factory configured - do not alter | SW1/3 | Unidentified | |-------------------------------------+-------+--------------| | Factory configured - do not alter | SW1/4 | Unidentified | |-------------------------------------+-------+--------------| | Factory configured - do not alter | SW1/5 | Unidentified | |-------------------------------------+-------+--------------| | Forced software download enabled | SW1/6 | On | |-------------------------------------+-------+--------------| | Forced software download disabled | SW1/6 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | S/T TERMINATION SELECTION | |------------------------------------------------------------| | Setting | SW1/7 | SW1/8 | |-----------------------------+---------------+--------------| | i 100Ohm resistance enabled | On | On | |-----------------------------+---------------+--------------| | Resistance disabled | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+--------+----------+---------------------------------| | PWR | Green | On | Power is on | |------+--------+----------+---------------------------------| | PWR | Green | Off | Power is off | |------+--------+----------+---------------------------------| | LNE | Green | On | U interface active | |------+--------+----------+---------------------------------| | LNE | Red | On | U interface inactive | |------+--------+----------+---------------------------------| | TEL1 | Green | On | Analog connection is good on | | | | | telephone line 1 | |------+--------+----------+---------------------------------| | TEL1 | Green | Blinking | Analog connection is being | | | | | established on telephone line 1 | |------+--------+----------+---------------------------------| | TEL1 | Green | Off | Analog connection is broken on | | | | | telephone line 1 | |------+--------+----------+---------------------------------| | TEL2 | Green | On | Analog connection is good on | | | | | telephone line 2 | |------+--------+----------+---------------------------------| | TEL2 | Green | Blinking | Analog connection is being | | | | | established on telephone line 2 | |------+--------+----------+---------------------------------| | TEL2 | Green | Off | Analog connection is broken on | | | | | telephone line 2 | |------+--------+----------+---------------------------------| | DATA | Green | On | Network connection is good on | | | | | B-channel 1 | |------+--------+----------+---------------------------------| | DATA | Green | Blinking | Network connection is being | | | | | established on B-channel 1 | |------+--------+----------+---------------------------------| | DATA | Green | Off | Network connection is broken on | | | | | B-channel 1 | |------+--------+----------+---------------------------------| | DATA | Red | On | Network connection is good on | | | | | B-channel 2 | |------+--------+----------+---------------------------------| | DATA | Red | Blinking | Network connection is being | | | | | established on B-channel 2 | |------+--------+----------+---------------------------------| | DATA | Red | Off | Network connection is broken on | | | | | B-channel 2 | |------+--------+----------+---------------------------------| | TD | Green | On | Modem is transmitting data | |------+--------+----------+---------------------------------| | TD | Green | Off | Modem is not transmitting data | |------+--------+----------+---------------------------------| | RD | Green | On | Modem is receiving data | |------+--------+----------+---------------------------------| | RD | Green | Off | Modem is not receiving data | |------+--------+----------+---------------------------------| | DTR | Green | On | Computer is ready | |------+--------+----------+---------------------------------| | DTR | Green | Off | Computer is not ready | |------+--------+----------+---------------------------------| | TST | Yellow | On | TA is conducting a test | |------+--------+----------+---------------------------------| | TST | Yellow | Off | TA is not conducting a test | +------------------------------------------------------------+ +---------------------------------------------------------+ | SUPPORTED COMMAND SET | |---------------------------------------------------------| | Basic AT Commands | |---------------------------------------------------------| | AT, A/, '+++' | |---------------------------------------------------------| | A, E, Q, V | |---------------------------------------------------------| | &C, &Z | |---------------------------------------------------------| | S Registers | |---------------------------------------------------------| | S0, S1, S2, S3, S4 | |---------------------------------------------------------| | | |---------------------------------------------------------| | Note: See MHI Help File for full command documentation. | +---------------------------------------------------------+ PROPRIETARY AT COMMAND SET +------------------------------------------------------------+ | CONFIGURATION PROFILES | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &V [cmds] | |--------------+---------------------------------------------| | Description: | Displays active, stored, and system | | | configuration profiles and analog port | | | settings | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &V0 | Display active profile | |--------------+---------------------------------------------| | &V1 | Display user profile 1 | |--------------+---------------------------------------------| | &V2 | Display user profile 2 | |--------------+---------------------------------------------| | &V3 | Display system parameters and analog port | | | settings | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SET READY (DSR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Selects DSR options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &S0 | DSR forced high | |--------------+---------------------------------------------| | &S1 | DSR high only while modem is handshaking or | | | connected | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA TERMINAL READY (DTR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Dn [cmds] | |--------------+---------------------------------------------| | Description: | Selects modem response to DTR | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &D0 | DTR override | |--------------+---------------------------------------------| | &D1 | DTR toggle causes online command mode | |--------------+---------------------------------------------| | i &D2 | Normal DTR operations | |--------------+---------------------------------------------| | &D3 | Resets on receipt of DTR | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | DS=n | Dial stored telephone number n (0-3) | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | &F0 | Load active profile the factory profile 0 | |--------------+---------------------------------------------| | &F1 | Load active profile the factory profile 1 | |--------------+---------------------------------------------| | &F2 | Load active profile the factory profile 2 | |--------------+---------------------------------------------| | &F3 | Load active profile the factory profile 3 | |--------------+---------------------------------------------| | &F5 | Load active profile the factory profile 5 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Kn [cmds] | |--------------+---------------------------------------------| | Description: | Enables flow control options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &K0 | Flow control disabled | |--------------+---------------------------------------------| | i &K3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | &K4 | XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | HOOK CONTROL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Hn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem is on-hook or | | | off-hook | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | H0 | Modem commanded to go on-hook (hang-up) | +------------------------------------------------------------+ +------------------------------------------------------------+ | LAST CALL INFORMATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Ln [cmds] | |--------------+---------------------------------------------| | Description: | Reports last call information | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &L0 | Reports information of last call on data | | | port | |--------------+---------------------------------------------| | &L1 | Reports information of last call on | | | telephone line 1 | |--------------+---------------------------------------------| | &L2 | Reports information of last call on | | | telephone line 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-LINE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] On [cmds] | |--------------+---------------------------------------------| | Description: | Controls on-line command (data | | | transmission) state options. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | O0 | On-line command mode with no retraining | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports maximum network rate | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Reserved | |--------------+---------------------------------------------| | I3 | Reports model ID and version number | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESTORE PROFILE ON POWER-UP | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Yn [cmds] | |--------------+---------------------------------------------| | Description: | Restores a selected profile into the active | | | profile on power-up (hard reset) | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &Y1 | Restore profile 1 on power-up | |--------------+---------------------------------------------| | &Y2 | Restore profile 2 on power-up | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | CONNECT result codes are displayed in short | | | form | |--------------+---------------------------------------------| | i X1 | CONNECT result codes are displayed in | | | complete form | |--------------+---------------------------------------------| | X2 | VOICE and CONNECT result codes are | | | displayed in complete form | +------------------------------------------------------------+ +------------------------------------------------------------+ | SOFT RESET | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] Zn [cmds] | |--------------+---------------------------------------------| | Description: | Restores modem profiles previously saved in | | | non-volatile RAM using the &W command. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | Z1 | Restore setting 1 | |--------------+---------------------------------------------| | Z2 | Restore setting 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | STORE ACTIVE PROFILE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Wn [cmds] | |--------------+---------------------------------------------| | Description: | Writes the values for the active profile | | | into the non-volatile RAM | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &W1 | Write the active profile to stored profile | | | 1 | |--------------+---------------------------------------------| | &W2 | Write the active profile to stored profile | | | 2 | +------------------------------------------------------------+ EXTENDED AT COMMAND SET +------------------------------------------------------------+ | B-CHANNEL SELECTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %A3=n [cmds] | |--------------+---------------------------------------------| | Description: | Determines which B-channel will be used for | | | leased line connection | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i %A3=1 | B1 channel | |--------------+---------------------------------------------| | %A3=2 | B2 channel | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA FORWARDING CHARACTER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %L3=n [cmds] | |--------------+---------------------------------------------| | Description: | Defines specified characters as data | | | forwarding characters | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %L3=0 | No data forwarding character selected | |--------------+---------------------------------------------| | i %L3=2 | Carriage return | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA PROTOCOL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %A2=n [cmds] | |--------------+---------------------------------------------| | Description: | Determines rate adaptation protocol on | | | B-channel. %A2? Displays protocol type | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %A2=0 | HDLC transparent rate adaptation | |--------------+---------------------------------------------| | %A2=1 | Asynchronous-to-synchronous PPP protocol | |--------------+---------------------------------------------| | %A2=2 | Multi-link PPP | |--------------+---------------------------------------------| | %A2=3 | Asynchronous inverse mux | |--------------+---------------------------------------------| | %A2=5 | V.120 | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDLE TIMER DELAY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %L4 [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | x 50ms | |--------------+---------------------------------------------| | Description: | Sets time delay between characters received | | | from DTE. %L4=0 disables data forwarding on | | | time-out | +------------------------------------------------------------+ +------------------------------------------------------------+ | NUMBERING PLAN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %A0=n [cmds] | |--------------+---------------------------------------------| | Description: | Determines rate adaptation protocol on | | | B-channel | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i %A0=0 | Unknown | |--------------+---------------------------------------------| | %A0=1 | ISDN numbering plan selected | +------------------------------------------------------------+ SPECIAL COMMANDS +------------------------------------------------------------+ | ANALOG PORT ATTRIBUTES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !Bn=x[cmds] | |--------------+---------------------------------------------| | Description: | Sets analog port attributes. n selects | | | phone port, x selects attribute. !Bn=? | | | queries the attribute of selected port. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | !B1=0 | Telephone line 1 set to SPEECH | |--------------+---------------------------------------------| | !B1=1 | Telephone line 1 set to AUDIO | |--------------+---------------------------------------------| | !B2=0 | Telephone line 2 set to SPEECH | |--------------+---------------------------------------------| | !B2=1 | Telephone line 2 set to AUDIO | +------------------------------------------------------------+ +------------------------------------------------------------+ | BANDWIDTH RELEASE ON A VOICE CALL REQUEST | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] @M5=n [cmds] | |--------------+---------------------------------------------| | Description: | Enables/disables B-channel release during | | | an MP session when there is a voice call | | | request | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | @M5=0 | Bandwidth release on voice call request | | | disabled | |--------------+---------------------------------------------| | i @M5=1 | Bandwidth release on voice call request | | | enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACH/EKTS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !E0=n [cmds] | |--------------+---------------------------------------------| | Description: | Disables/enables CACH/EKTS. !E0? queries | | | CACH/EKTS status | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | !E0=0 | CACH/EKTS disabled | |--------------+---------------------------------------------| | !E0=1 | CACH/EKTS enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CHAP ENCRYPTION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] @M3=n [cmds] | |--------------+---------------------------------------------| | Description: | Enables/disables CHAP password encryption | | | protocol | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i @M3=0 | CHAP password encryption protocol disabled | |--------------+---------------------------------------------| | @M3=1 | CHAP password encryption protocol enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SPID | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !Cn=x [SPID#] | |--------------+---------------------------------------------| | Description: | Specifies port and data service profile | | | identifier assigned by the ISDN provider. | | | Cn? queries setting | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | !C0 | Sets switch type | |--------------+---------------------------------------------| | !C6 | Sets SPID of data port 1 | |--------------+---------------------------------------------| | !C7 | Sets SPID of data port 2 | |--------------+---------------------------------------------| | !C8 | Sets SPID of telephone line 1 | |--------------+---------------------------------------------| | !C9 | Sets SPID of telephone line 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | FEATURE KEYS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !F0=nx [cmds] | |--------------+---------------------------------------------| | Range: | n=0 - 255 | |--------------+---------------------------------------------| | Description: | Programs feature keys. !F0? queries feature | | | keys | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | !F0=n1 | Sets value for Conference Feature Key. | | | Default value is 60 | |--------------+---------------------------------------------| | !F0=n2 | Sets value for Transfer Feature Key. | | | Default value is 61 | |--------------+---------------------------------------------| | !F0=n3 | Sets value for Drop Feature Key. Default | | | value is 62 | +------------------------------------------------------------+ +------------------------------------------------------------+ | PERSIST TIME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] @M9=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 5sec | |--------------+---------------------------------------------| | Description: | Sets the persist time to add or drop a | | | second B-channel | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCREEN INCOMING CALLS | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !Rn=x [cmds] | |--------------+---------------------------------------------| | Description: | Screens incoming calls for different ports | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | n=0 | Data port call screening | |----------------+-------------------------------------------| | n=1 | Analog telephone 1 call screening | |----------------+-------------------------------------------| | n=2 | Analog telephone 2 call screening | |----------------+-------------------------------------------| | i x=0 | All calls accepted on selected port | |----------------+-------------------------------------------| | x=1 | All calls rejected on selected port | |----------------+-------------------------------------------| | x=2 | Calls listed in the stored phone | | | directory are accepted on selected port | +------------------------------------------------------------+ +------------------------------------------------------------+ | STORE DIRECTORY NUMBER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !Nx=n [cmds] | |--------------+---------------------------------------------| | Range (n): | 0 - 24 | |--------------+---------------------------------------------| | Unit (n): | 0 - 9, *, # | |--------------+---------------------------------------------| | Description: | Store the directory number (n) for the port | | | (x). !N? queries the stored directory | | | numbers | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | !N0=n | Store the self directory number of data | | | port 1 | |--------------+---------------------------------------------| | !N1=n | Store the self directory number of analog | | | telephone port 1 | |--------------+---------------------------------------------| | !N2=n | Store the self directory number of analog | | | telephone port 2 | |--------------+---------------------------------------------| | !N3=n | Store the self directory number of data | | | port 2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SWITCH TYPE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] !C0=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects network switch type. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | !C0=1 | AT&T 5ESS | |--------------+---------------------------------------------| | !C0=2 | AT&T or Siemens N1-1 | |--------------+---------------------------------------------| | !C0=3 | Northern Telecom DMS-100 | |--------------+---------------------------------------------| | !C0=4 | Northern Telecom NI-1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | THROUGHPUT THRESHOLD TO ADD A SECOND CHANNEL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] @M6=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-64 | |--------------+---------------------------------------------| | Unit: | Kbits/sec | |--------------+---------------------------------------------| | Description: | Defines the throughput threshold to add a | | | second channel. | |--------------+---------------------------------------------| | Note: | If the throughput is under the threshold | | | for a time defined by @M9 the B-channel | | | will be released. If the throughput is | | | above the threshold, a second call will be | | | established and the TA will attempt to bind | | | the two B-channels together. | +------------------------------------------------------------+ +------------------------------------------------------------+ | THROUGHPUT THRESHOLD TO RELEASE A SECOND CHANNEL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] @M8=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-64 | |--------------+---------------------------------------------| | Unit: | Kbits/sec | |--------------+---------------------------------------------| | Description: | Defines the throughput threshold to release | | | a second channel. Persist time defined by | | | @M9 | +------------------------------------------------------------+ S(status) REGISTERS +------------------------------------------------------------+ | BACKSPACE CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S5=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Selects a character used for backspace | +------------------------------------------------------------+ +------------------------------------------------------------+ | NO CARRIER TIME-OUT | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S7=n [cmds] | |--------------+---------------------------------------------| | Range: | 1-50 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Maximum wait time the modem uses after | | | dialing to detect a carrier signal from the | | | remote modem for both originating and | | | answering calls. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ESCAPE SEQUENCE GUARD TIME | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S12=n [cmds] | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .1sec | |--------------+---------------------------------------------| | Description: | Maximum allowable time between escape | | | character sequence initiation and | | | completion for the escape sequence to be | | | executed. A value of 0 disables guard time. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DTR CHANGE THRESHOLD | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S25=n [cmds] | |--------------+---------------------------------------------| | Default: | 2 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .2 second | |--------------+---------------------------------------------| | Description: | Sets maximum time a change in the DTR | | | signal will be ignored | +------------------------------------------------------------+