IBM CORPORATION =============== Card Type Fax, Modem (asynchronous) Chip Set Unidentified Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus 8-bit ISA Fax Class Class I & II Data Modulation Bell 103/212A Protocol ITU-T V.21, V.22, V.22bis, V.32, V.32bis Fax Modulation ITU-T V.17, V.21, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |------------------------------------------------------------| | Line out | CN1 | Line in | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS | |------------------------------------------------------------| | Setting | JP1/A | JP1/B | JP1/C | JP1/D | |-------------+-----------+-----------+-----------+----------| | COM1 (3F8h) | Closed | Open | Open | Open | |-------------+-----------+-----------+-----------+----------| | COM2 (2F8h) | Open | Closed | Open | Open | |-------------+-----------+-----------+-----------+----------| | COM3 (3E8h) | Open | Open | Closed | Open | |-------------+-----------+-----------+-----------+----------| | COM4 (2E8h) | Open | Open | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | JP1/E | JP1/F | JP1/G | JP1/H | |------------+-----------+-----------+-----------+-----------| | 3 | Closed | Open | Open | Open | |------------+-----------+-----------+-----------+-----------| | 4 | Open | Closed | Open | Open | |------------+-----------+-----------+-----------+-----------| | 5 | Open | Open | Closed | Open | |------------+-----------+-----------+-----------+-----------| | 7 | Open | Open | Open | Closed | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %En [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain mode and | | | fallback/fall-forward | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %E0 | Auto-retrain disabled | |--------------+---------------------------------------------| | i %E1 | Auto-retrain enabled | |--------------+---------------------------------------------| | %E2 | Auto-fallback/fall-forward enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S14 | |------------------------------------------------------------| | Format: | AT [cmds] S14=n [cmds] | |--------------+---------------------------------------------| | Default: | 138 | |--------------+---------------------------------------------| | Range: | 0-174 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls echo, result codes and display, | | | dial mode, and answer/originate mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | Not used | |------+-------+---------------------------------------------| | 1 | 0 | Command echo disabled | | | | | | | i 1 | Command echo enabled | |------+-------+---------------------------------------------| | 2 | i 0 | Result codes enabled | | | | | | | 1 | Result codes disabled | |------+-------+---------------------------------------------| | 3 | 0 | Display result codes in numeric format | | | | | | | i 1 | Display result codes in verbose format | |------+-------+---------------------------------------------| | 4 | i 0 | Not used | |------+-------+---------------------------------------------| | 5 | i 0 | Tone dial enabled | | | | | | | 1 | Pulse dial enabled | |------+-------+---------------------------------------------| | 6 | i 0 | Not used | |------+-------+---------------------------------------------| | 7 | 0 | Answer mode enabled | | | | | | | i 1 | Originate mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S21 | |------------------------------------------------------------| | Format | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Default: | 52 | |--------------+---------------------------------------------| | Range: | 0-253 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects jack type, CTS/DCD/DSR signals, low | | | DTR action, and the long space disconnect | | | function. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | Selects RJ-11, RJ-41S, or RJ45S jack | | | | | | | 1 | Selects RJ-12 or RJ-13 jack | |------+-------+---------------------------------------------| | 1 | 0 | Not used | |------+-------+---------------------------------------------| | 2 | 0 | CTS follows RTS | | | | | | | i 1 | CTS forced high | |------+-------+---------------------------------------------| | 4, 3 | 00 | DTR signal ignored | | | | | | | 01 | Modem goes to command mode on low DTR | | | | | | | i 10 | Modem disconnects on low DTR; Auto-Answer | | | | is disabled. | | | 11 | | | | | Modem is initialized on low DTR | |------+-------+---------------------------------------------| | 5 | 0 | DCD forced high | | | | | | | i 1 | DCD normal | |------+-------+---------------------------------------------| | 6 | i 0 | DSR forced high | | | | | | | 1 | DSR normal | |------+-------+---------------------------------------------| | 7 | i 0 | Long space disconnect function disabled | | | | | | | 1 | Long space disconnect function enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S22 | |------------------------------------------------------------| | Format | AT [cmds] S22=n [cmds] | |--------------+---------------------------------------------| | Default: | 117 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls speaker volume and controls, and | | | limits results codes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1, 0 | 00 | Off volume | | | | | | | i 01 | Low level volume | | | | | | | 10 | Medium level volume | | | | | | | 11 | High level volume | |------+-------+---------------------------------------------| | 3, 2 | 00 | Speaker off | | | | | | | i 01 | Speaker off on carrier | | | | | | | 10 | Speaker always on | | | | | | | 11 | Speaker on during handshake | |------+-------+---------------------------------------------| | 6 - | 000 | Basic result codes only enabled | | 4 | | | | | 100 | Basic and connection speed result codes | | | | enabled | | | 101 | | | | | Basic and connection speed result codes and | | | 110 | dialtone detection enabled | | | | | | | i 111 | All result codes except dialtone detection | | | | enabled | | | | | | | | All result codes enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S23 | |------------------------------------------------------------| | Format | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 0-189 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Grants/denies remote digital loopback, | | | controls DTE rate and parity, and sets | | | guard tone. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Remote digital loopback denied | | | | | | | i 1 | Remote digital loopback allowed | |------+-------+---------------------------------------------| | 3 - | 000 | Sets serial port speed to 0-300bps | | 1 | | | | | 001 | Sets serial port speed to 600bps | | | | | | | 010 | Sets serial port speed to 1200bps | | | | | | | 011 | Sets serial port speed to 2400bps | | | | | | | 100 | Sets serial port speed to 4800bps | | | | | | | 101 | Sets serial port speed to 9600bps | | | | | | | 110 | Sets serial port speed to 19200bps | |------+-------+---------------------------------------------| | 5, 4 | 00 | Parity even | | | | | | | 01 | Not used | | | | | | | 10 | Parity odd | | | | | | | 11 | No Parity | |------+-------+---------------------------------------------| | 7, 6 | i 00 | Guard tone disabled | | | | | | | 01 | Guard tone disabled | | | | | | | 10 | Guard tone 1800Hz enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Default: | 64 | |--------------+---------------------------------------------| | Range: | 0-116 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects line type, clock source, and | | | ITU-T/Bell modes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 3, | 000 | Not used | | 1, 0 | | | |------+-------+---------------------------------------------| | 2 | i 0 | Switched line | | | | | | | 1 | Leased line | |------+-------+---------------------------------------------| | 5, 4 | i 00 | Local modem generates transmit clock source | | | | | | | 01 | Local DTE generates transmit clock source | | | | | | | 10 | Remote DCE/DTE generates transmit clock | | | | source | |------+-------+---------------------------------------------| | 6 | 0 | ITU/T mode | | | | | | | i 1 | Bell mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S28 | |------------------------------------------------------------| | Format | AT [cmds] S28=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-31 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls V.23 split speed, transmit/receive | | | speed, half duplex, and pulse dialing. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | V.23 split speed operation disabled | | | | | | | 1 | V.23 split speed operation enabled | |------+-------+---------------------------------------------| | 1 | i 0 | 75bps transmit, 1200bps receive enabled | | | | | | | 1 | 1200bps transmit, 75bps receive enabled | |------+-------+---------------------------------------------| | 2 | i 0 | V.23 half-duplex disabled | | | | | | | 1 | V.23 half-duplex enabled | |------+-------+---------------------------------------------| | 4, 3 | i 00 | 39ms make/61ms break at 10pps | | | | | | | 01 | 33ms make/67ms break at 10pps | | | | | | | 10 | 39ms make/61ms break at 20pps | | | | | | | 11 | 33ms make/67ms break at 20pps | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S31 | |------------------------------------------------------------| | Format: | AT [cmds] S31=n [cmds] | |----------------+-------------------------------------------| | Default: | 2 | |----------------+-------------------------------------------| | Range: | 0-10 | |----------------+-------------------------------------------| | Description: | Select automode and extended result code | | | format. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 0 | i 0 | Not used | |----------+-------+-----------------------------------------| | 1 | 0 | Auto-mode detection disabled | | | | | | | i 1 | In originate mode, handshake begins at | | | | line speed designated by the S37 | | | | register. Modem can shift to a slower | | | | speed if necessary. | | | | | | | | In answer mode, handshake attempted | | | | with the following protocols in order - | | | | V.32bis, V.32, V.22bis, V.22 or Bell | | | | 212, V.21, and Bell 103 | |----------+-------+-----------------------------------------| | 3, 2 | i 00 | Enables CONNECT result codes to report | | | | DTE speed | | | 01 | | | | | Full reporting of CONNECT result codes | | | 10 | | | | | Enables CONNECT result codes to report | | | | DCE speed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S40 | |------------------------------------------------------------| | Format | AT [cmds] S40=n [cmds] | |--------------+---------------------------------------------| | Default: | 105 | |--------------+---------------------------------------------| | Range: | 0-239 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls power level and break handling, | | | selects MNP extended services, link | | | negotiation, and block size. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | MNP disabled | | | | | | | i 1 | MNP enabled | |------+-------+---------------------------------------------| | 1 | i 0 | Power level adjustment enabled | | | | | | | 1 | Power level adjustment disabled | |------+-------+---------------------------------------------| | 2 | i 0 | Link will be negotiated at highest possible | | | | speed | | | 1 | | | | | Link will be negotiated at 1200bps | |------+-------+---------------------------------------------| | 5, | 000 | \K0 | | 4, 3 | | | | | 001 | \K1 | | | | | | | 010 | \K2 | | | | | | | 011 | \K3 | | | | | | | 100 | \K4 | | | | | | | i 101 | \K5 | |------+-------+---------------------------------------------| | 7, 6 | 00 | MNP block size is 64 characters | | | | | | | i 01 | MNP block size is 128 characters | | | | | | | 10 | MNP block size is 192 characters | | | | | | | 11 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S41 | |------------------------------------------------------------| | Format | AT [cmds] S41=n [cmds] | |--------------+---------------------------------------------| | Default: | 7 | |--------------+---------------------------------------------| | Range: | 0-31 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects compression, auto-retrain, flow | | | control, and MNP mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1 - | 00 | Data compression disabled | | 0 | | | | | 01 | MNP5 enabled | | | | | | | 10 | V.42bis enabled | | | | | | | i 11 | MNP5 and V.42bis enabled | |------+-------+---------------------------------------------| | 2 | 0 | Auto-retrain disabled | | | | | | | i 1 | Auto-retrain enabled | |------+-------+---------------------------------------------| | 3 | i 0 | Flow control disabled | | | | | | | 1 | Flow control enabled | |------+-------+---------------------------------------------| | 4 | i 0 | Stream mode for MNP | | | | | | | 1 | Block mode for MNP | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Default: | 3 | |--------------+---------------------------------------------| | Range: | 1-9 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sends break to modem | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |---------------------+--------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |---------------------+--------------------------------------| | Description: | Configures action of break signal | |------------------------------------------------------------| | Command | Break from | Break from DTE | Break received | | | DTE while in | while in | from remote | | | Normal or | Direct mode | modem | | | MNP mode | | | |-----------+--------------+----------------+----------------| | \K0 | On-line | On-line | Buffers | | | command mode | command mode | cleared, break | | | enabled, | enabled, send | sent to DTE | | | send no | no break to | | | | break to | remote modem | | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K1 | Break sent | On-line | Buffers | | | to remote | command mode | cleared, break | | | modem and | enabled, send | sent to DTE | | | buffers | no break to | | | | cleared | remote modem | | |-----------+--------------+----------------+----------------| | \K2 | On-line | Send break to | Break sent | | | command mode | remote modem | immediately to | | | enabled, | immediately | DTE | | | send no | | | | | break to | | | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K3 | Send break | On-line | Break sent | | | to remote | command mode | immediately to | | | modem | enabled, send | DTE | | | immediately | no break to | | | | | remote modem | | |-----------+--------------+----------------+----------------| | \K4 | On-line | Send break to | Break sent | | | command mode | remote modem | with received | | | enabled, | immediately | data to the | | | send no | | DTE | | | break to | | | | | remote modem | | | |-----------+--------------+----------------+----------------| | i \K5 | Send break | Send break to | Break sent | | | with | remote modem | with received | | | transmitted | immediately | data to the | | | data | | DTE | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Cn [cmds] | |--------------+---------------------------------------------| | Description: | Selects data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression disabled | |--------------+---------------------------------------------| | %C1 | Not used | |--------------+---------------------------------------------| | %C2 | V.42bis enabled | |--------------+---------------------------------------------| | i %C3 | MNP5 and V.42bis enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the type of connection the modem | | | will operate in | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \N0 | Normal mode enabled | |--------------+---------------------------------------------| | i \N1 | Direct mode enabled | |--------------+---------------------------------------------| | \N2 | Reliable mode enabled | |--------------+---------------------------------------------| | \N3 | Auto-reliable mode enabled | |--------------+---------------------------------------------| | \N4 | V.42 reliable mode enabled | |--------------+---------------------------------------------| | \N5 | MNP reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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. | |--------------+---------------------------------------------| | Modifier | Function | |--------------+---------------------------------------------| | L | Re-dial last number | |--------------+---------------------------------------------| | i P | Pulse dialing enabled | |--------------+---------------------------------------------| | S=n | Dial stored telephone number n | |--------------+---------------------------------------------| | T | Tone dialing enabled | |--------------+---------------------------------------------| | W | Dialing resumed following dial tone | | | detection | |--------------+---------------------------------------------| | , | Dialing paused for amount of time specified | | | in S8 register | |--------------+---------------------------------------------| | ! | Flash function initiated | |--------------+---------------------------------------------| | @ | Wait for quiet answer enabled | |--------------+---------------------------------------------| | ; | Modem returned to command state after | | | dialing | |--------------+---------------------------------------------| | ^ | Calling tone disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Gn [cmds] | |--------------+---------------------------------------------| | Description: | Selects modem port flow control | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \G0 | Flow control disabled | |--------------+---------------------------------------------| | \G1 | Flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S39? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the current flow control | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Flow control disabled | |--------------+---------------------------------------------| | i 3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | 4 | XON/XOFF flow control enabled | |--------------+---------------------------------------------| | 5 | Transparent XON/XOFF flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S33=n [cmds] | |--------------+---------------------------------------------| | Default: | 19 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XOFF | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XON | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S32=n [cmds] | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XON | +------------------------------------------------------------+ +------------------------------------------------------------+ | INACTIVITY TIMER | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Tn [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-42 | |--------------+---------------------------------------------| | Unit: | 1 minute | |--------------+---------------------------------------------| | Description: | Sets the length of time that the modem does | | | not receive information before it | | | disconnects. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SIGNAL LEVEL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %L [cmds] | |--------------+---------------------------------------------| | Default: | Unidentified | |--------------+---------------------------------------------| | Range: | 9-43 | |--------------+---------------------------------------------| | Unit: | -dBm | |--------------+---------------------------------------------| | Description: | Returns a value which indicates the | | | received line signal level | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SIGNAL QUALITY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %Q [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value which indicates line signal | | | quality | |------------------------------------------------------------| | Value | Meaning | |-------------------------+----------------------------------| | 0 - 7 | Auto-retrain disabled | |-------------------------+----------------------------------| | 8 - 255 | Auto-retrain enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \An [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum transmittable block size | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | \A0 | MNP block size is 64 characters | |--------------+---------------------------------------------| | i \A1 | MNP block size is 128 characters | |--------------+---------------------------------------------| | \A2 | MNP block size is 192 characters | |--------------+---------------------------------------------| | \A3 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP - STREAM/BLOCK MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Ln [cmds] | |--------------+---------------------------------------------| | Description: | Selects the transfer mode for MNP link | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \L0 | Stream mode for MNP enabled | |--------------+---------------------------------------------| | \L1 | Block mode for MNP enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP - LINK NEGOTIATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Hn [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed at which an MNP link | | | negotiation will occur | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i *H0 | Link will be negotiated at highest possible | | | speed | |--------------+---------------------------------------------| | *H1 | Link will be negotiated at 1200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product identification code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum as OK or ERROR | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum | |--------------+---------------------------------------------| | I3 | Reports firmware revision level | |--------------+---------------------------------------------| | I4 | Reports OEM-defined identifier string | |--------------+---------------------------------------------| | I5 | Reports country code | |--------------+---------------------------------------------| | I6 | Reports Modem data pump model | +------------------------------------------------------------+ +------------------------------------------------------------+ | SLEEP TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S24=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 second | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to initiating low-power sleep | | | mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPLIT-SPEED CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Wn [cmds] | |--------------+---------------------------------------------| | Description: | Controls split-speed mode | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i \W0 | V.23 split-speed mode disabled | |--------------+---------------------------------------------| | \W1 | V.23 split-speed mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPLIT-SPEED MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Fn [cmds] | |--------------+---------------------------------------------| | Description: | Controls split-speed direction | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | %F0 | Not used | |---------------+--------------------------------------------| | %F1 | 75bps transmit, 1200bps receive | |---------------+--------------------------------------------| | i %F2 | 1200bps transmit, 75bps receive; when | | | AT\W1 is set. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SWITCH TO NORMAL MODE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] \Z [cmds] | |--------------+---------------------------------------------| | Description: | Switches to normal mode from MNP mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S16=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-125 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls loopback tests: analog, digital, | | | remote digital, and self tests. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | Local analog loopback not in progress | | | | | | | 1 | Local analog loopback in progress | |------+-------+---------------------------------------------| | 1 | i 0 | Not used | |------+-------+---------------------------------------------| | 2 | i 0 | Local digital loopback not in progress | | | | | | | 1 | Local digital loopback in progress | |------+-------+---------------------------------------------| | 3 | i 0 | Modem not in remote digital loopback | | | | | | | 1 | Remote digital loopback in progress | |------+-------+---------------------------------------------| | 4 | i 0 | Remote digital loopback not requested | | | | | | | 1 | Remote digital loopback requested | |------+-------+---------------------------------------------| | 5 | i 0 | Remote digital loopback w/ error count not | | | | in progress | | | 1 | | | | | Remote digital loopback w/ error count in | | | | progress | |------+-------+---------------------------------------------| | 6 | i 0 | Local analog loopback w/ self-test not in | | | | progress | | | 1 | | | | | Local analog loopback w/ self-test in | | | | progress | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMISSION LEVEL - PSTN | |------------------------------------------------------------| | Type | Register | |-------------+----------------------------------------------| | Format | AT [cmds] S91=n [cmds] | |-------------+----------------------------------------------| | Default | 10 | |-------------+----------------------------------------------| | Range | 0-15 | |-------------+----------------------------------------------| | Unit | -1 dBm | |-------------+----------------------------------------------| | Description | Sets the signal level for transmission over | | | switched phone lines | +------------------------------------------------------------+