E-TECH RESEARCH, INC. ===================== C288MX PCMCIA Card Type Modem (asynchronous) Chipset Unidentified Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA Type II Fax Class Class I & II Data Modulation Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 AT&T V.32terbo Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Error MNP5, V.42, V.42bis Correction/Compression 53134 +------------------------------------------------------------+ | SUPPORTED STANDARD COMMANDS | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | +++, 'comma', A/ | |------------------------------------------------------------| | A, B, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z | |------------------------------------------------------------| | &C, &D, &F, &G, &K, &L, &R, &S, &T, &V, &W, &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, | | S18, S22, S25, S26, S27, S30 | |------------------------------------------------------------| | Note: See MHI documentation for complete information. | | | | The functions of the O command and the S42 and S47 | | registers are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | UNIDENTIFIED COMMANDS | |------------------------------------------------------------| | Command | Default | |-----------------------------+------------------------------| | O | N/A | |-----------------------------+------------------------------| | S42 | Read-only | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-RELIABLE FALLBACK CHARACTER | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S43=n [cmds] | |--------------+---------------------------------------------| | Default: | Read-only | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Displays the ASCII value character used as | | | the auto-reliable fallback character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RELIABLE TIME BUFFER CONFIGURATION | |------------------------------------------------------------| | Type: | Register (read-only) | |--------------+---------------------------------------------| | Format: | AT [cmds] S48? [cmds] | |--------------+---------------------------------------------| | Description: | Displays information regarding the handling | | | of incoming data during auto-reliable time | | | period. | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Data is discarded. | |--------------+---------------------------------------------| | 1 | Data is buffered for 4 seconds or 200 | | | characters. | |--------------+---------------------------------------------| | 2 | Data is discarded; modem returns to normal | | | mode on receiving auto-reliable fallback | | | character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S44 | |------------------------------------------------------------| | Format: | AT [cmds] S44=n [cmds] | |-----------------+------------------------------------------| | Default: | 6 | |-----------------+------------------------------------------| | Range: | 0 - 23 | |-----------------+------------------------------------------| | Description: | Controls V.42bis and | | | auto-fallback/fall-forward. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 0 | i 0 | V.42bis enabled. | | | | | | | 1 | V.42bis disabled. | |------------------------------------------------------------| | 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? [cmds] | |----------------+-------------------------------------------| | Default: | Read-only | |----------------+-------------------------------------------| | Range: | 0 - 115 | |----------------+-------------------------------------------| | Description: | Controls flow control, serial port speed, | | | and XON/XOFF trapping. | |------------------------------------------------------------| | Bit | Value | Function | |----------+-------+-----------------------------------------| | 1, 0 | 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 | 0 | Modem-to-modem flow control disabled. | | | | | | | 1 | Modem-to-modem flow control enabled. | |-------------+-----+----------------------------------------| | 5 | 0 | Serial port speed locked. | | | | | | | 1 | Serial port speed follows connect | | | | speed. | |-------------+-----+----------------------------------------| | 6 | 0 | XON/XOFF signals trapped by local | | | | modem. | | | 1 | | | | | XON/XOFF passed through local modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S54 | |------------------------------------------------------------| | Format: | AT [cmds] S54=n [cmds] | |--------------------+---------------------------------------| | Default: | Unidentified | |--------------------+---------------------------------------| | Range: | Unidentified | |--------------------+---------------------------------------| | Description: | Controls extended result codes. | |------------------------------------------------------------| | Bit | Value | Function | |-----------+----------+-------------------------------------| | 1 - 0 | N/A | This function is unidentified. | |------------------------------------------------------------| | 6 - 2 | 00000 | Not used. | |---------------+-------+------------------------------------| | 7 | 0 | Error correction and compression | | | | extended result codes disabled. | | | 1 | | | | | Error correction extended result | | | | codes enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Register (read-only) | |--------------------+---------------------------------------| | Format: | AT [cmds] S52? [cmds] | |--------------------+---------------------------------------| | Description: | Returns a number indicating the | | | modem's action on a break signal. | |------------------------------------------------------------| | Value | Break from | Modem receives | Break received | | | DTE | \B | from remote | | | | | modem | |-----------+--------------+----------------+----------------| | 0 | Online | Break sent to | Buffers | | | command mode | remote modem | cleared, break | | | enabled, | and buffered | sent to DTE. | | | send no | cleared. | | | | break to | | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | 1 | Break sent | Break sent to | Buffers | | | to remote | remote modem | cleared, break | | | modem and | and buffered | sent to DTE. | | | buffered | cleared. | | | | cleared. | | | |-----------+--------------+----------------+----------------| | 2 | Online | Send break to | Break sent | | | command mode | remote modem | immediately to | | | enabled, | immediately. | DTE. | | | send no | | | | | break to | | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | 3 | Send break | Send break to | Break sent | | | to remote | remote modem | immediately to | | | modem | immediately. | DTE. | | | immediately. | | | |-----------+--------------+----------------+----------------| | 4 | Online | Send break | Break sent | | | command mode | with | with received | | | enabled, | transmitted | data to the | | | send no | data. | DTE. | | | break to | | | | | remote | | | | | modem. | | | |-----------+--------------+----------------+----------------| | 5 | Send break | Send break | Break sent | | | with | with | with received | | | transmitted | transmitted | data to the | | | data. | data. | DTE. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Register, read-only | |--------------+---------------------------------------------| | Format: | AT [cmds] S53? [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value indicating the type of | | | connection the modem will make. | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Normal mode enabled | |--------------+---------------------------------------------| | 1 | Direct mode enabled | |--------------+---------------------------------------------| | 2 | MNP reliable mode enabled | |--------------+---------------------------------------------| | 3 | Auto-reliable mode or MNP auto-reliable | | | mode enabled | |--------------+---------------------------------------------| | 4 | V.42 auto-reliable mode or MNP | | | auto-reliable mode enabled | |--------------+---------------------------------------------| | 5 | 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 country code. | |--------------+---------------------------------------------| | I2 | Displays OEM string. | |--------------+---------------------------------------------| | I4 | Displays EPROM type. | |--------------+---------------------------------------------| | I5 | Displays DSP chip version. | |--------------+---------------------------------------------| | I9 | Displays flash ROM checksum. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RESULT CODES | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S41? [cmds] | |--------------+---------------------------------------------| | Description: | Displays selection of which extended result | | | codes will be displayed. | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | Enables CONNECT result codes to report DTE | | | speed. If S95=0, then all extended | | | connection result codes are disabled. | |--------------+---------------------------------------------| | 1 | Enables CONNECT result codes to report DTE | | | speed. If S95=0, then all CARRIER and | | | PROTOCOL extended result codes are enabled. | |--------------+---------------------------------------------| | 2 | Enables CONNECT result codes to report DCE | | | speed. If S95=0, then all extended result | | | codes are disabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | HDLC ADDRESS | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S20=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | 1 ASCII character | |--------------+---------------------------------------------| | Description: | Sets the HDLC address and BSC character. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SPEED | |------------------------------------------------------------| | Type: | Register (read-only) | |--------------+---------------------------------------------| | Format | AT [cmds] S37? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the maximum allowable data | | | exchange rate attempted during handshake | | | process. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S37=0 | Speed of last command. | |--------------+---------------------------------------------| | S37=3 | Connect at 300bps. | |--------------+---------------------------------------------| | S37=5 | Connect at 1200bps. | |--------------+---------------------------------------------| | S37=6 | Connect at 2400bps. | |--------------+---------------------------------------------| | S37=7 | Connect at 4800bps. | |--------------+---------------------------------------------| | S37=8 | Connect at 7200bps. | |--------------+---------------------------------------------| | S37=9 | Connect at 9600bps. | |--------------+---------------------------------------------| | S37=10 | Connect at 12Kbps. | |--------------+---------------------------------------------| | S37=11 | Connect at 14.4Kbps. | |--------------+---------------------------------------------| | S37=12 | Connect at 16.8Kbps. | |--------------+---------------------------------------------| | S37=13 | Connect at 19.2Kbps. | |--------------+---------------------------------------------| | S37=14 | Connect at 21.6Kbps. | |--------------+---------------------------------------------| | S37=15 | Connect at 24Kbps. | |--------------+---------------------------------------------| | S37=16 | Connect at 26.4Kbps. | |--------------+---------------------------------------------| | S37=17 | Connect at 28.8Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LOCAL SERIAL PORT SPEED | |------------------------------------------------------------| | Type: | Register (read-only) | |--------------+---------------------------------------------| | Format: | AT [cmds] S62? [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value indicating the speed of the | | | local serial port. | |------------------------------------------------------------| | Value | Meaning | |------------------+-----------------------------------------| | 0 | Serial port speed set to 300bps. | |------------------+-----------------------------------------| | 1 | Serial port speed set to 600bps. | |------------------+-----------------------------------------| | 2 | Serial port speed set to 1200bps. | |------------------+-----------------------------------------| | 3 | Serial port speed set to 2400bps. | |------------------+-----------------------------------------| | 4 | Serial port speed set to 4800bps. | |------------------+-----------------------------------------| | 5 | Serial port speed set to 7200bps. | |------------------+-----------------------------------------| | 6 | Serial port speed set to 9600bps. | |------------------+-----------------------------------------| | 7 | Serial port speed set to 12Kbps. | |------------------+-----------------------------------------| | 8 | Serial port speed set to 14.4Kbps. | |------------------+-----------------------------------------| | 9 | Serial port speed set to 16.8Kbps. | |------------------+-----------------------------------------| | 10 | Serial port speed set to 19.2Kbps. | |------------------+-----------------------------------------| | 11 | Serial port speed set to 21.6Kbps. | |------------------+-----------------------------------------| | 12 | Serial port speed set to 24Kbps. | |------------------+-----------------------------------------| | 13 | Serial port speed set to 26.4Kbps. | |------------------+-----------------------------------------| | 14 | Serial port speed set to 28.8Kbps. | |------------------+-----------------------------------------| | 15 | Serial port speed set to 38.4Kbps. | |------------------+-----------------------------------------| | 16 | Serial port speed set to 57.6Kbps. | |------------------+-----------------------------------------| | 17 | Serial port speed set to 115.2Kbps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MAXIMUM BLOCK SIZE FOR TRANSMISSION | |------------------------------------------------------------| | Type: | Register (read-only) | |--------------+---------------------------------------------| | Format: | AT [cmds] S49? [cmds] | |--------------+---------------------------------------------| | Description: | Displays the maximum transmittable block | | | size in MNP mode. | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | MNP block size is 64 characters | |--------------+---------------------------------------------| | 1 | MNP block size is 128 characters | |--------------+---------------------------------------------| | 2 | MNP block size is 192 characters | |--------------+---------------------------------------------| | 3 | MNP block size is 256 characters | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP MODE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S59=n [cmds] | |--------------+---------------------------------------------| | Description: | Controls MNP mode. | |------------------------------------------------------------| | Command | Function | |---------------+--------------------------------------------| | S59=0 | MNP5 compression disabled. | |---------------+--------------------------------------------| | i S59=1 | MNP5 compression enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MODE OF OPERATION | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S50? [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value indicating the modem's | | | current operating mode. | |------------------------------------------------------------| | Value | Meaning | |----------------------+-------------------------------------| | 0 | Modem is in data mode. | |----------------------+-------------------------------------| | 1 | Modem is in fax mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ROUND TRIP DELAY | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S65=n [cmds] | |--------------+---------------------------------------------| | Default: | Read-only | |--------------+---------------------------------------------| | Range: | Unidentified | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | The function of this register is | | | unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S47=n [cmds] | |--------------+---------------------------------------------| | Default: | 255 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Unidentified | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to initiating power-down | | | sleep mode. Setting S47 to 255 disables | | | this feature. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis DICTIONARY SIZE | |------------------------------------------------------------| | Type: | Register (read-only) | |--------------+---------------------------------------------| | Format: | AT [cmds] S57? [cmds] | |--------------+---------------------------------------------| | Description: | Returns a value indicating the V.42bis | | | dictionary size. | |--------------+---------------------------------------------| | Value | Meaning | |--------------+---------------------------------------------| | 0 | 512 byte dictionary selected. | |--------------+---------------------------------------------| | 1 | 1024 byte dictionary selected. | |--------------+---------------------------------------------| | 2 | 1536 byte dictionary selected. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis MAXIMUM STRING LENGTH | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S58=n [cmds] | |--------------+---------------------------------------------| | Default: | 32 | |--------------+---------------------------------------------| | Range: | 6-64 | |--------------+---------------------------------------------| | Unit: | 1 ASCII character | |--------------+---------------------------------------------| | Description: | Sets the maximum string size for V.42bis | | | compression. |