NEW MEDIA CORPORATION ===================== Card Type Modem (synchronous/asynchronous) Chipset Unidentified Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Modulation Unidentified Fax Modulation Unidentified Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I Data Bus PCMCIA Type II 53574 +------------------------------------------------------------+ | SUPPORTED STANDARD COMMANDS | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | +++, 'comma', A/ | |------------------------------------------------------------| | A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Z | |------------------------------------------------------------| | &C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, | | &X, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X | |------------------------------------------------------------| | %A, %C, %G | |------------------------------------------------------------| | Special AT Commands | |------------------------------------------------------------| | "H, -J, "N, "O | |------------------------------------------------------------| | S-Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S14, S16, S18, S21, S22, S23, S25, S26 | |------------------------------------------------------------| | S27, S30 | |------------------------------------------------------------| | Note: See MHI help file for complete information. | +------------------------------------------------------------+ +------------------------------------------------------------+ | UNIDENTIFIED COMMANDS | |------------------------------------------------------------| | Command | Default | |----------------------------+-------------------------------| | S54 | 0 | |----------------------------+-------------------------------| | S65 | Unidentified | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-RELIABLE FALLBACK CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S43=n [cmds] | |--------------+---------------------------------------------| | Default: | 1 | |--------------+---------------------------------------------| | Range: | 0 - 127 | |--------------+---------------------------------------------| | Unit: | 1 ASCII character | |--------------+---------------------------------------------| | Description: | Sets the character used as the | | | auto-reliable fallback character; S43=0 | | | will disable this function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE TIME BUFFER CONFIGURATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S48=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls the handling of incoming data | | | during the auto-reliable negotiation time | | | period. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S48=0 | Data is discarded. | |--------------+---------------------------------------------| | S48=1 | Data is buffered for 4 seconds or 200 | | | characters. | |--------------+---------------------------------------------| | S48=2 | Data is discarded; modem returns to normal | | | mode on receiving auto-reliable fallback | | | character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTOSYNC OPTIONS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S19=n [cmds] | |--------------+---------------------------------------------| | Default: | 26 | |--------------+---------------------------------------------| | Range: | 0 - 30 | |--------------+---------------------------------------------| | Description: | Controls AutoSync protocol, HDLC address | | | detection, bit coding type, and HDLC idle. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Not used | |------+-------+---------------------------------------------| | 1 | 0 | Binary synchronous protocol used. | | | | | | | i 1 | HDLC protocol used. | |------+-------+---------------------------------------------| | 2 | i 0 | HDLC address detection disabled. | | | | | | | 1 | HDLC address detection enabled. | |------+-------+---------------------------------------------| | 3 | 0 | NRZI bit coding used. | | | | | | | i 1 | NRZ bit coding used. | |------+-------+---------------------------------------------| | 4 | 0 | HDLC idle sends MARK. | | | | | | | i 1 | HDLC idle sends FLAG or SYNC. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTOSYNC HDLC ADDRESS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S20=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Sets the HDLC address and binary | | | synchronous character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S40 | |------------------------------------------------------------| | Format: | AT [cmds] S40=n [cmds] | |-------------------+----------------------------------------| | Default: | 77 | |-------------------+----------------------------------------| | Range: | 12 - 77 | |-------------------+----------------------------------------| | Description: | Controls automode connection and V.42 | | | detection phase. | |------------------------------------------------------------| | Bit | Value | Function | |-----------+-----------+------------------------------------| | 0 | 0 | Automode connection disabled. | | | | | | | i 1 | Automode connection enabled. | |------------------------------------------------------------| | 5 - 1 | 00110 | Not used. | |---------------+---------+----------------------------------| | 6 | 0 | V.42 detection phase disabled. | | | | | | | i 1 | V.42 detection phase enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S44 | |------------------------------------------------------------| | Format: | AT [cmds] S44=n [cmds] | |-----------------+------------------------------------------| | Default: | 7 | |-----------------+------------------------------------------| | Range: | 0 - 23 | |-----------------+------------------------------------------| | Description: | Controls V.42bis and | | | auto-fallback/fall-forward. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 0 | 0 | V.42bis disabled. | | | | | | | i 1 | V.42bis enabled. | |------------------------------------------------------------| | 2, 1 | 00 | V.42bis disabled. | | | | | | | 01 | V.42bis enabled on transmit only. | | | | | | | 10 | V.42bis enabled on receive only. | | | | | | | i | V.42bis enabled. | | | 11 | | |--------------+----+----------------------------------------| | 3 | 0 | Not used. | |--------------+----+----------------------------------------| | 4 | i | Auto-fallback/fall-forward disabled. | | | 0 | | | | | Auto-fallback/fall-forward enabled. | | | 1 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S51 | |------------------------------------------------------------| | Format: | AT [cmds] S51=n [cmds] | |----------------+-------------------------------------------| | Default: | 0 | |----------------+-------------------------------------------| | Range: | 0 - 115 | |----------------+-------------------------------------------| | Description: | Controls flow control, serial port speed, | | | and XON/XOFF trapping. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 1, 0 | i 00 | Flow control disabled. | | | | | | | 01 | Bidirectional XON/XOFF flow control | | | | enabled. | | | 10 | | | | | CTS flow control by DCE enabled. | | | 11 | | | | | Bidirectional RTS/CTS flow control | | | | enabled. | |------------------------------------------------------------| | 3, 2 | 00 | Not used. | |-------------+-----+----------------------------------------| | 4 | i 0 | Modem-to-modem flow control disabled. | | | | | | | 1 | Modem-to-modem flow control enabled. | |-------------+-----+----------------------------------------| | 5 | i 0 | Serial port speed locked. | | | | | | | 1 | Serial port speed follows connect | | | | speed. | |-------------+-----+----------------------------------------| | 6 | i 0 | XON/XOFF signals trapped by local | | | | modem. | | | 1 | | | | | XON/XOFF passed through local modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Register | |--------------------+---------------------------------------| | Format: | AT [cmds] S52=n [cmds] | |--------------------+---------------------------------------| | Description: | Configures action of break signal. | |------------------------------------------------------------| | Command | Break from | Modem receives | Break received | | | DTE | \B | from remote | | | | | modem | |-----------+--------------+----------------+----------------| | S52=0 | Online | Break sent to | Buffers | | | command mode | remote modem | cleared, break | | | enabled, | and buffers | sent to DTE. | | | break not | cleared. | | | | sent to | | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | S52=1 | Break sent | Break sent to | Buffers | | | to remote | remote modem | cleared, break | | | modem and | and buffers | sent to DTE. | | | buffers | cleared. | | | | cleared. | | | |-----------+--------------+----------------+----------------| | S52=2 | Online | Break sent to | Break sent | | | command mode | remote modem | immediately to | | | enabled, | immediately. | DTE. | | | break not | | | | | sent to | | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | S52=3 | Break sent | Break sent to | Break sent | | | to remote | remote modem | immediately to | | | modem | immediately. | DTE. | | | immediately. | | | |-----------+--------------+----------------+----------------| | S52=4 | Online | Break sent | Break sent | | | command mode | with | with received | | | enabled, | transmitted | data to the | | | break not | data. | DTE. | | | sent to | | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | i S52=5 | Break sent | Break sent | Break sent | | | with | with | with received | | | transmitted | transmitted | data to the | | | data. | data. | DTE. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S59=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will use data | | | compression. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S59=0 | Data compression disabled | |--------------+---------------------------------------------| | i S59=1 | Data compression enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S53=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls the type of connection the modem | | | will make. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S53=0 | Normal mode enabled. | |--------------+---------------------------------------------| | S53=1 | Direct mode enabled. | |--------------+---------------------------------------------| | S53=2 | MNP reliable mode enabled. | |--------------+---------------------------------------------| | i S53=3 | Auto-reliable mode or MNP auto-reliable | | | mode enabled. | |--------------+---------------------------------------------| | S53=4 | V.42 reliable mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested about the | | | modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Displays product identification code. | |--------------+---------------------------------------------| | I1 | Displays ROM checksum. | |--------------+---------------------------------------------| | I2 | Tests and displays ROM checksum result. | |--------------+---------------------------------------------| | I3 | Displays firmware components. | |--------------+---------------------------------------------| | I4 | Displays feature bitmap. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY VERSION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] -V [cmds] | |--------------+---------------------------------------------| | Description: | Displays version number. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EPROM CHECKSUM | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S99? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the checksum for the EPROM. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S41=n [cmds] | |--------------+---------------------------------------------| | Description: | Enables selection of additional result | | | codes when S95=0; otherwise, S95 takes | | | precedence. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S41=0 | Enables CONNECT result codes to report DTE | | | speed. | |--------------+---------------------------------------------| | S41=1 | Enables CONNECT result codes to report DTE | | | speed, modulation type, and compression | | | type. | |--------------+---------------------------------------------| | S41=2 | Enables CONNECT result codes to report DCE | | | speed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S62=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed of the local serial port. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S62=0 | Set speed to 300bps. | |--------------+---------------------------------------------| | S62=1 | Set speed to 600bps. | |--------------+---------------------------------------------| | S62=2 | Set speed to 1200bps. | |--------------+---------------------------------------------| | S62=3 | Set speed to 2400bps. | |--------------+---------------------------------------------| | S62=4 | Set speed to 4800bps. | |--------------+---------------------------------------------| | S62=5 | Set speed to 7200bps. | |--------------+---------------------------------------------| | S62=6 | Set speed to 9600bps. | |--------------+---------------------------------------------| | S62=7 | Set speed to 12Kbps. | |--------------+---------------------------------------------| | S62=8 | Set speed to 14.4Kbps. | |--------------+---------------------------------------------| | S62=9 | Set speed to 16.8Kbps. | |--------------+---------------------------------------------| | S62=10 | Set speed to 19.2Kbps. | |--------------+---------------------------------------------| | S62=11 | Set speed to 21.6Kbps. | |--------------+---------------------------------------------| | S62=12 | Set speed to 24Kbps. | |--------------+---------------------------------------------| | S62=13 | Set speed to 26.4Kbps. | |--------------+---------------------------------------------| | S62=14 | Set speed to 28.8Kbps. | |--------------+---------------------------------------------| | S62=15 | Set speed to 38.4Kbps. | |--------------+---------------------------------------------| | i S62=16 | Set speed to 57.6Kbps. | |--------------+---------------------------------------------| | S62=17 | Set speed to 115.2Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED - DATA TRANSFER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S72=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the speed of the local serial port | | | during data transfer. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S72=0 | Use last autobaud speed. | |--------------+---------------------------------------------| | S72=1 | Set speed to 300bps. | |--------------+---------------------------------------------| | S72=2 | Set speed to 600bps. | |--------------+---------------------------------------------| | S72=3 | Set speed to 1200bps. | |--------------+---------------------------------------------| | S72=4 | Set speed to 2400bps. | |--------------+---------------------------------------------| | S72=5 | Set speed to 4800bps. | |--------------+---------------------------------------------| | S72=6 | Set speed to 7200bps. | |--------------+---------------------------------------------| | S72=7 | Set speed to 9600bps. | |--------------+---------------------------------------------| | S72=8 | Set speed to 12Kbps. | |--------------+---------------------------------------------| | S72=9 | Set speed to 14.4Kbps. | |--------------+---------------------------------------------| | S72=10 | Set speed to 16.8Kbps. | |--------------+---------------------------------------------| | S72=11 | Set speed to 19.2Kbps. | |--------------+---------------------------------------------| | S72=12 | Set speed to 21.6Kbps. | |--------------+---------------------------------------------| | S72=13 | Set speed to 24Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON'T) | |------------------------------------------------------------| | Command | Function | |----------------+-------------------------------------------| | S72=14 | Set speed to 26.4Kbps. | |----------------+-------------------------------------------| | S72=15 | Set speed to 28.8Kbps. | |----------------+-------------------------------------------| | S72=16 | Set speed to 38.4Kbps. | |----------------+-------------------------------------------| | S72=17 | Set speed to 57.6Kbps. | |----------------+-------------------------------------------| | S72=18 | Set speed to 115.2Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S37=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum allowable data exchange | | | rate attempted during handshake process. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S37=0 | Speed of last AT command. | |--------------+---------------------------------------------| | S37=3 | Set speed to 300bps. | |--------------+---------------------------------------------| | S37=5 | Set speed to 1200bps. | |--------------+---------------------------------------------| | S37=6 | Set speed to 2400bps. | |--------------+---------------------------------------------| | S37=7 | Set speed to 4800bps. | |--------------+---------------------------------------------| | S37=8 | Set speed to 7200bps. | |--------------+---------------------------------------------| | S37=9 | Set speed to 9600bps. | |--------------+---------------------------------------------| | S37=10 | Set speed to 12Kbps. | |--------------+---------------------------------------------| | S37=11 | Set speed to 14.4Kbps. | |--------------+---------------------------------------------| | S37=12 | Set speed to 16.8Kbps. | |--------------+---------------------------------------------| | S37=13 | Set speed to 19.2Kbps. | |--------------+---------------------------------------------| | S37=14 | Set speed to 21.6Kbps. | |--------------+---------------------------------------------| | S37=15 | Set speed to 24Kbps. | |--------------+---------------------------------------------| | S37=16 | Set speed to 26.4Kbps. | |--------------+---------------------------------------------| | S37=17 | Set speed to 28.8Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S49=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum transmittable block size | | | in MNP mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S49=0 | Maximum MNP block size is 64 characters. | |--------------+---------------------------------------------| | S49=1 | Maximum MNP block size is 128 characters. | |--------------+---------------------------------------------| | S49=2 | Maximum MNP block size is 192 characters. | |--------------+---------------------------------------------| | S49=3 | Maximum MNP block size is 256 characters. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MODE OF OPERATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S50=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will operate in | | | data or fax mode. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S50=0 | Modem is in data mode. | |--------------+---------------------------------------------| | S50=1 | Modem is in fax mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-LINE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] On | |--------------+---------------------------------------------| | Description: | Instructs the modem to return to on-line | | | state. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | O0 | Return to on-line state. | |--------------+---------------------------------------------| | O1 | Return to on-line state and initiate | | | retrain sequence. | |--------------+---------------------------------------------| | O3 | Return to on-line state and negotiate | | | 2400bps connection. | |--------------+---------------------------------------------| | O4 | Return to on-line state and negotiate | | | 4800bps connection. | |--------------+---------------------------------------------| | O5 | Return to on-line state and negotiate | | | 7200bps connection. | |--------------+---------------------------------------------| | O6 | Return to on-line state and negotiate | | | 9600bps connection. | |--------------+---------------------------------------------| | O7 | Return to on-line state and negotiate | | | 12Kbps connection. | |--------------+---------------------------------------------| | O8 | Return to on-line state and negotiate | | | 14.4Kbps connection. | |--------------+---------------------------------------------| | O9 | Return to on-line state and negotiate | | | 16.8Kbps connection. | |--------------+---------------------------------------------| | O10 | Return to on-line state and negotiate | | | 19.2Kbps connection. | |--------------+---------------------------------------------| | O11 | Return to on-line state and negotiate | | | 21.6Kbps connection. | |--------------+---------------------------------------------| | O12 | Return to on-line state and negotiate | | | 24Kbps connection. | |--------------+---------------------------------------------| | O13 | Return to on-line state and negotiate | | | 26.4Kbps connection. | |--------------+---------------------------------------------| | O14 | Return to on-line state and negotiate | | | 28.8Kbps connection. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROFILE ON POWER-UP | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S98=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the profile to restore into the | | | active profile on power-up. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S98=0 | Restore profile 0 on power-up. | |--------------+---------------------------------------------| | S98=1 | Restore profile 1 on power-up. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SLEEP TIMER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S46=n [cmds] | |--------------+---------------------------------------------| | Default: | 255 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to initiating low-power sleep | | | mode. Setting S46 to 255 disables this | | | feature. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SLEEP TIMER - FORCED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S47=n [cmds] | |--------------+---------------------------------------------| | Default: | 255 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to forcing low-power sleep | | | and power-down mode. Setting S47 to 255 | | | disables this feature. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain function if poor line | | | quality is detected. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &B0 | Auto-retrain disabled, modem hangs up. | |--------------+---------------------------------------------| | &B1 | Auto-retrain enabled, modem hangs up if | | | retrain fails. | |--------------+---------------------------------------------| | &B2 | Auto-retrain disabled, modem does not hang | | | up. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S42=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain function if poor line | | | quality is detected. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S42=0 | Auto-retrain disabled, modem hangs up. | |--------------+---------------------------------------------| | S42=1 | Auto-retrain enabled, modem hangs up if | | | retrain fails. | |--------------+---------------------------------------------| | S42=2 | Auto-retrain disabled, modem does not hang | | | up. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 STRING LENGTH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S58=n [cmds] | |--------------+---------------------------------------------| | Default: | 32 | |--------------+---------------------------------------------| | Range: | 6 - 64 | |--------------+---------------------------------------------| | Unit: | 1 byte | |--------------+---------------------------------------------| | Description: | Selects V.42 string length. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis DICTIONARY SIZE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] S57=n [cmds] | |--------------+---------------------------------------------| | Description: | Selects the size of the V.42bis dictionary. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | S57=0 | 512 byte dictionary selected. | |--------------+---------------------------------------------| | S57=1 | 1024 byte dictionary selected. | |--------------+---------------------------------------------| | S57=2 | 1536 byte dictionary selected. |