BEST DATA PRODUCTS, INC. ======================== 1442F INTERNAL FAX/DATA MODEM Card Type Fax, Modem (synchronous/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.23, V.32, V.32bis Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression V2327 +-------------------------------+ | MISCELLANEOUS TECHNICAL NOTES | |-------------------------------| | Diagram not available | +-------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS | |------------------------------------------------------------| | Setting | SW1/5 | SW1/6 | |--------------------+-------------------+-------------------| | COM1 (3F8h) | On | On | |--------------------+-------------------+-------------------| | i COM2 (2F8h) | On | Off | |--------------------+-------------------+-------------------| | COM3 (3E8h) | Off | On | |--------------------+-------------------+-------------------| | COM4 (2E8h) | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 | |------------+-----------+-----------+-----------+-----------| | i 3 | On | Off | Off | Off | |------------+-----------+-----------+-----------+-----------| | 4 | Off | On | Off | Off | |------------+-----------+-----------+-----------+-----------| | 5 | Off | Off | On | Off | |------------+-----------+-----------+-----------+-----------| | 7 | Off | Off | Off | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', 'Comma', A/ | |------------------------------------------------------------| | A, B, C, D, E, F, , H, L, M, N, O, P, Q, S, T, V, W, X, Y, | | Z | |------------------------------------------------------------| | &C, &D, &F, &G, &J, &K, &L, &M, &P, &Q, &R, &S, &T, &V, | | &W, &X, &Y, &Z | |------------------------------------------------------------| | Extended AT Commands | |------------------------------------------------------------| | \A, \B, \G, \L, \O, \T, \U, \Y, \Z, %E, %L, %Q | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S16, S18, S22, S25, S26, S36, S38, S46 | |------------------------------------------------------------| | S48, S82, S86, S91, S95 | |------------------------------------------------------------| | Note: See MHI Help file for full command documentation. | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | BIT-MAPPED REGISTER S14 | |------------------------------------------------------------| | Format: | AT [cmds] S14=n [cmds] | |--------------+---------------------------------------------| | Default: | 170 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls local echo, command echo, result | | | codes and display, dial mode, and | | | answer/originate mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | Disable local echo | | | | | | | 1 | Enable local echo | |------+-------+---------------------------------------------| | 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 | Smart mode enabled | | | | | | | 1 | Dumb mode enabled | |------+-------+---------------------------------------------| | 5 | 0 | Tone dial enabled | | | | | | | i 1 | Pulse dial enabled | |------+-------+---------------------------------------------| | 6 | i 0 | Result codes enabled | | | | | | | 1 | Result codes enabled when originating | |------+-------+---------------------------------------------| | 7 | 0 | Answer mode enabled | | | | | | | i 1 | Originate mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S21 | |------------------------------------------------------------| | Format | AT [cmds] S21=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects jack type, setting profile, | | | 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 | i 0 | Default profile | | | | | | | 1 | User-defined profile | |------+-------+---------------------------------------------| | 2 | i 0 | CTS follows RTS | | | | | | | 1 | CTS forced high | |------+-------+---------------------------------------------| | 4, 3 | i 00 | DTR signal ignored | | | | | | | 01 | Modem goes to command mode on low DTR | | | | | | | 10 | Modem disconnects on low DTR; Auto-Answer | | | | is disabled. | | | 11 | | | | | Modem is initialized on low DTR | |------+-------+---------------------------------------------| | 5 | i 0 | DCD forced high | | | | | | | 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 S23 | |------------------------------------------------------------| | Format | AT [cmds] S23=n [cmds] | |--------------+---------------------------------------------| | Default: | 7 | |--------------+---------------------------------------------| | Range: | 0-191 | |--------------+---------------------------------------------| | 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 | | | | | | | i 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 | | | | | | | 111 | Sets serial port speed to 38400bps | |------+-------+---------------------------------------------| | 5, 4 | i 00 | Parity even | | | | | | | 01 | Space Parity | | | | | | | 10 | Parity odd | | | | | | | 11 | Mark or No Parity | |------+-------+---------------------------------------------| | 7, 6 | i 00 | Guard tone disabled | | | | | | | 01 | Guard tone 550Hz enabled | | | | | | | 10 | Guard tone 1800Hz enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S27 | |------------------------------------------------------------| | Format | AT [cmds] S27=n [cmds] | |--------------+---------------------------------------------| | Default: | 64 | |--------------+---------------------------------------------| | Range: | 0-127 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects synchronous/asynchronous mode, line | | | type, clock source, and ITU-T/Bell modes. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 3, | i 000 | Asynchronous mode, serial port speed | | 1, 0 | | follows connect speed | | | 001 | | | | | Asynchronous off-line command mode and | | | 010 | synchronous connect mode | | | | | | | 011 | Asynchronous off-line command mode; modem | | | | autodials first number in directory, then | | | 100 | synchronous connect mode | | | | | | | 101 | Asynchronous off-line command mode on low | | | | DTR, synchronous connect mode on high DTR | | | 110 | | | | | Modem returns 'OK' | | | 111 | | | | | Error correction mode | | | | | | | | Asynchronous mode during Normal connect | | | | mode | | | | | | | | Modem returns 'OK' | |------+-------+---------------------------------------------| | 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 S40 | |------------------------------------------------------------| | Format | AT [cmds] S40=n [cmds] | |--------------+---------------------------------------------| | Default: | 119 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Controls connect mode, break handling, MNP | | | block size, and flow control. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 1, 0 | 00 | Normal mode enabled | | | | | | | 01 | Direct mode enabled | | | | | | | 10 | Reliable mode enabled | | | | | | | i 11 | Auto-reliable mode enabled | |------+-------+---------------------------------------------| | 4, | 000 | \K0 | | 3, 2 | | | | | 001 | \K1 | | | | | | | 010 | \K2 | | | | | | | 011 | \K3 | | | | | | | 100 | \K4 | | | | | | | i 101 | \K5 | |------+-------+---------------------------------------------| | 6, 5 | 00 | MNP block size is 64 characters | | | | | | | 01 | MNP block size is 128 characters | | | | | | | 10 | MNP block size is 192 characters | | | | | | | i 11 | MNP block size is 256 characters | |------+-------+---------------------------------------------| | 7 | i 0 | Flow control disabled | | | | | | | 1 | Flow control enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIT-MAPPED REGISTER S41 | |------------------------------------------------------------| | Format | AT [cmds] S41=n [cmds] | |--------------+---------------------------------------------| | Default: | 1 | |--------------+---------------------------------------------| | Range: | 0-7 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects compression, auto-retrain, and MNP | | | mode. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | 0 | Data compression disabled | | | | | | | i 1 | Data compression enabled | |------+-------+---------------------------------------------| | 1 | i 0 | Auto-retrain disabled | | | | | | | 1 | Auto-retrain enabled | |------+-------+---------------------------------------------| | 2 | i 0 | Stream mode for MNP | | | | | | | 1 | Block mode for MNP | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |---------------------+--------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |---------------------+--------------------------------------| | Description: | Configures action of break signal | |------------------------------------------------------------| | Command | Break from | Break received | Break from DTE | | | DTE during | from remote | during Direct | | | MNP mode | modem | mode | |-----------+--------------+----------------+----------------| | \K0 | Online | Buffers | Online command | | | command mode | cleared, break | mode enabled, | | | enabled, | sent to DTE | send no break | | | send no | | to remote | | | break to | | modem | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K1 | Break sent | Buffers | Break sent to | | | to remote | cleared, break | remote modem | | | modem and | sent to DTE | and buffers | | | buffers | | cleared | | | cleared | | | |-----------+--------------+----------------+----------------| | \K2 | Online | Break sent | Online command | | | command mode | immediately to | mode enabled, | | | enabled, | DTE | send no break | | | send no | | to remote | | | break to | | modem | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K3 | Send break | Break sent | Send break to | | | to remote | immediately to | remote modem | | | modem | DTE | immediately | | | immediately | | | |-----------+--------------+----------------+----------------| | \K4 | Online | Break sent | Online command | | | command mode | with received | mode enabled, | | | enabled, | data to the | send no break | | | send no | DTE | to remote | | | break to | | modem | | | remote modem | | | |-----------+--------------+----------------+----------------| | \K5 | Send break | Break sent | Send break | | | with | with received | with | | | transmitted | data to the | transmitted | | | data | DTE | data | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Cn [cmds] | |--------------+---------------------------------------------| | Description: | Selects data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %C0 | Data compression disabled | |--------------+---------------------------------------------| | i %C1 | Data compression 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 | |--------------+---------------------------------------------| | \N1 | Direct mode enabled | |--------------+---------------------------------------------| | \N2 | Reliable mode enabled | |--------------+---------------------------------------------| | i \N3 | Auto-reliable mode enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | DCE 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 connection | |--------------+---------------------------------------------| | S37=1 | 300bps | |--------------+---------------------------------------------| | S37=2 | 300bps | |--------------+---------------------------------------------| | S37=3 | 300bps | |--------------+---------------------------------------------| | S37=5 | 1200bps | |--------------+---------------------------------------------| | S37=6 | 2400bps | |--------------+---------------------------------------------| | S37=8 | 4800bps | |--------------+---------------------------------------------| | S37=9 | 9600bps | |--------------+---------------------------------------------| | S37=10 | 12.0Kbps | |--------------+---------------------------------------------| | S37=11 | 14.4Kbps | |--------------+---------------------------------------------| | S37=12 | 7200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | ECHO CANCELLATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \En [cmds] | |--------------+---------------------------------------------| | Description: | Optimize echo cancellation | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum, as 'OK' or | | | 'ERROR' | |--------------+---------------------------------------------| | I3 | Reports firmware manufacturer | | | identification and checksum | |--------------+---------------------------------------------| | I4 | Reports product capabilities | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42 - CLEAR DICTIONARY | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %P [cmds] | |--------------+---------------------------------------------| | Description: | Clears the V.42 encoder dictionary | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis - COMPRESSION CONTROL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Mn [cmds] | |--------------+---------------------------------------------| | Description: | Controls V.42bis data compression | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %M0 | V.42bis disabled | |--------------+---------------------------------------------| | %M1 | V.42bis when transmitting enabled | |--------------+---------------------------------------------| | %M2 | V.42bis when receiving enabled | |--------------+---------------------------------------------| | i %M3 | V.42bis when transmitting/receiving enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis - DICTIONARY SIZE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Dn [cmds] | |--------------+---------------------------------------------| | Description: | Select V.42 dictionary size | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | %D0 | Select 512 bytes | |--------------+---------------------------------------------| | %D1 | Select 1024 bytes | |--------------+---------------------------------------------| | i %D2 | Select 2048 bytes | |--------------+---------------------------------------------| | %D3 | Select 4096 bytes, one-way compression | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.42bis - MAXIMUM STRING LENGTH | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %Sn [cmds] | |--------------+---------------------------------------------| | Default: | 32 | |--------------+---------------------------------------------| | Range: | 6-250 | |--------------+---------------------------------------------| | Unit: | Characters | |--------------+---------------------------------------------| | Description: | Selects string size for V.42bis compression |