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 Protocol Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis V2327 MISCELLANEOUS TECHNICAL NOTES Diagram not available SERIAL PORT ADDRESS Setting SW1/5 SW1/6 COM1 (3F8h) On On COM2 (2F8h) On Off COM3 (3E8h) Off On COM4 (2E8h) Off Off INTERRUPT SELECTION Setting SW1/1 SW1/2 SW1/3 SW1/4 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 0 Disable local echo 1 Enable local echo 1 0 Command echo disabled 1 Command echo enabled 2 0 Result codes enabled 1 Result codes disabled 3 0 Display result codes in numeric format 1 Display result codes in verbose format 4 0 Smart mode enabled 1 Dumb mode enabled 5 0 Tone dial enabled 1 Pulse dial enabled 6 0 Result codes enabled 1 Result codes enabled when originating 7 0 Answer mode enabled 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 0 Selects RJ-11, RJ-41S, or RJ45S jack 1 Selects RJ-12 or RJ-13 jack 1 0 Default profile 1 User-defined profile 2 0 CTS follows RTS 1 CTS forced high 4, 3 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 0 DCD forced high 1 DCD normal 6 0 DSR forced high 1 DSR normal 7 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 1 Remote digital loopback allowed 3 - 1 000 Sets serial port speed to 0-300bps 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 111 Sets serial port speed to 38400bps 5, 4 00 Parity even 01 Space Parity 10 Parity odd 11 Mark or No Parity 7, 6 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, 1, 000 Asynchronous mode, serial port speed follows 0 connect speed 001 Asynchronous off-line command mode and synchronous 010 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 0 Switched line 1 Leased line 5, 4 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 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 11 Auto-reliable mode enabled 4, 3, 2 000 \K0 001 \K1 010 \K2 011 \K3 100 \K4 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 11 MNP block size is 256 characters 7 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 1 Data compression enabled 1 0 Auto-retrain disabled 1 Auto-retrain enabled 2 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 DTE Break received Break from DTE during MNP mode from remote during Direct modem mode \K0 Online command Buffers cleared, Online command mode enabled, break sent to mode enabled, send no break DTE send no break to to remote modem remote modem \K1 Break sent to Buffers cleared, Break sent to remote modem break sent to remote modem and and buffers DTE buffers cleared cleared \K2 Online command Break sent Online command mode enabled, immediately to mode enabled, send no break DTE send no break to to remote modem remote modem \K3 Send break to Break sent Send break to remote modem immediately to remote modem immediately DTE immediately \K4 Online command Break sent with Online command mode enabled, received data to mode enabled, send no break the DTE send no break to to remote modem remote modem \K5 Send break with Break sent with Send break with transmitted received data to transmitted data data the DTE COMPRESSION Type: Configuration Format: AT [cmds] %Cn [cmds] Description: Selects data compression Command Function %C0 Data compression disabled %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 \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 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 %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 %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