BOCA RESEARCH, INC. BOCAMODEM M144IW Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 14.4Kbps Maximum Fax Rate 9600bps Data Bus 8-bit ISA Fax Class Class I & II Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis Fax Modulation Protocol ITU-T V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 Line in CN2 BASE I/O ADDRESS SELECTION Port JP1/A JP1/B JP1/C JP1/D » COM1: Closed Open Open Open (3F8h) COM2: (2F8h) Open Closed Open Open COM3: (3E8h) Open Open Closed Open COM4: (2E8h) Open Open Open Closed INTERRUPT SELECTION IRQ 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 - FALLBACK/FALLFORWARD Type: Configuration Format: AT [cmds] %En [cmds] Example: AT %E1 Description: Controls auto-retrain mode and fallback/fall forward. Command Function » %E0 Auto-retrain disabled. %E1 Auto-retrain enabled. %E2 Fallback/fall forward enabled. BIT-MAPPED REGISTERS Registers Default S14 170 S21 0 S22 117 S23 7 S27 9 S28 Unidentified S31 Unidentified S39 Unidentified S40 Unidentified S41 Unidentified BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT \B3 Default: 3 Range: 1-9 Unit: .1 second Description: Sends break to modem. BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K1 Description: Configures action of break signal. Command Break from DTE Break from DTE Break from remote modem MNP/Normal mode Direct mode \K0 Enter command Send break to Buffers cleared mode, do not remote modem and break sent send break to immediately, to DTE. remote modem. then enter command mode. \K1 Buffers cleared Send break to Buffers cleared and break sent remote modem and break sent to remote modem. immediately, to DTE. then enter command mode. \K2 Enter command Send break to Send break to mode, do not remote modem DTE immediately. send break to immediately. remote modem. \K3 Send break to Send break to Send break to remote modem remote modem DTE immediately. immediately. immediately, then enter command mode. \K4 Enter command Send break to Break sent with mode, do not remote modem received data to send break to immediately. the DTE. remote modem. » \K5 Send break with Send break to Break sent with transmitted remote modem received data to data. immediately. the DTE. COMPRESSION Type: Configuration Format: AT [cmd] %Cn [cmd] Example: AT \N2 %C1 \K5 Description: Selects data compression. Command Function %C0 Data compression disabled. %C1 MNP5 enabled. %C2 V.42bis enabled. » %C3 MNP5 and V.42bis enabled. CONNECT MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT \N1 DT555-1212 Description: Sets connect mode. Command Function \N0 Normal mode enabled. \N1 Direct mode enabled. \N2 Reliable mode enabled. \N3 Auto-reliable mode enabled, MNP mode with fallback to Normal mode. \N4 LAPM error-correction mode enabled. \N5 MNP error-correction mode enabled. FAX TRANSMIT LEVEL Type: Register Format: AT [cmds] S92=n [cmds] Example: ATS92=10 Default: 10 Range: 1-15 Unit: -1dBm Description: Controls fax transmission level. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT \G1 &K3 Description: Selects modem port flow control. Command Function » \G0 Flow control disabled. \G1 Flow control enabled. FLOW CONTROL CHARACTER - XOFF Type: Register Format: AT [cmds] S33=n [cmds] Example: ATS33=19 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] Example: ATS32=17 Default: 17 Range: 0-255 Unit: ASCII Description: Sets the character used to represent XON. LINE SIGNAL LEVEL Type: Configuration Format: AT [cmds] %L [cmds] Example: AT %L &W Default: Unidentified Range: 9-43 Unit: -1 dBm Description: Returns received line signal level. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A1 %C1 Description: Sets the maximum transmittable block size. Command Function \A0 MNP block size is 64 characters. » \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] Example: AT \L1 DT555-1212 Description: Selects the transfer mode for MNP. Command Function » \L0 Stream mode for MNP enabled. \L1 Block mode for MNP enabled. MNP10 LINK NEGOTIATION Type: Configuration Format: AT [cmds] *Hn [cmds] Example: AT *H0 \W1 Description: Sets the speed at which MNP10 link negotiation will occur. Command Function » *H0 Link will be negotiated at highest possible speed. *H1 Link will be negotiated at 1200bps. PSTN TRANSMIT LEVEL Type: Register Format: AT [cmds] S91=n [cmds] Example: ATS91=10 Default: 10 Range: 1-15 Unit: -1dBm Description: Controls PSTN transmission level. REPORT SIGNAL QUALITY Type: Configuration Format: AT [cmds] %Q [cmds] Example: AT %Q &W Range: 0-255 Description: Reports signal quality. Note: A value of 8 or greater retrain enabled, only when %E1 is enabled. SLEEP TIMER Format AT [cmds] S24=n [cmds] Example: ATS24=0 Default: 0 Range: 0 - 255 Unit: 1 second Description: Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. TEST MODES Format AT [cmds] S16=n [cmds] Example: ATS16=128 Default: 128 Range: 0 - 255 Unit: Bit-mapped Description: Select type of loopback test. Bit Value Function 0 0 Local analog loopback test not in progress. 1 Local analog loopback test in progress. 1 0 Remote analog loopback test not in progress. 1 Remote analog loopback test in progress. 2 0 Local digital loopback test not in progress. 1 Local digital loopback test in progress. 3 0 Remotely requested remote digital loopback test not in progress. 1 Remotely requested remote digital loopback test in progress. 4 0 Locally requested remote digital loopback test not in progress. 1 Locally requested remote digital loopback test in progress. 5 0 Remote digital loopback with local self-test not in progress. 1 Remote digital loopback with local self-test in progress. 6 0 Local analog loopback with local self-test not in progress. 1 Local analog loopback with local self-test in progress. 7 0 Remote analog loopback with local self-test not in progress. » 1 Remote analog loopback with local self-test in progress. V.23 DIRECTION CONTROL Type: Configuration Format: AT [cmds] %Fn [cmds] Example: AT %F1 &W Description: Controls the direction of transmit/receive 75/1200bps, only when \W1 is selected. Command Function %F0 75bps transmit/1200bps receive enabled. » %F1 1200bps transmit/75bps receive enabled. V.23 SPLIT BAUD MODE Type: Configuration Format: AT [cmds] \Wn [cmds] Example: AT \W1 Description: Controls V.23 split baud mode. Command Function » \W0 V.23 split baud mode disabled. \W1 V.23 split baud mode enabled.