EXP COMPUTER, INC. 1414CL Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA Type II 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 V1468 Proprietary AT Command Set ACCEPT AUTO-RELIABLE MODE Type: Immediate Format: AT [cmds] \U Example: AT \U Description: Accepts remote modem’s request for reliable link. AUTO FALL FORWARD/FALLBACK Type: Configuration Format: AT [cmds] %Gn [cmds] Example: AT %G0 &W Description: Selects auto fallback. Command Function » %G0 Fallback disabled. %G1 Fallback enabled. AUTO-RELIABLE FALLBACK CHARACTER Type: Register Format: AT [cmds] %An [cmds] Example: AT%A13 Default: 13 Range: 0-127 Unit: ASCII Description: Sets the character used as the auto-reliable fallback character. %A0 will disable this function. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] \Cn [cmds] Example: AT \C1 &W Description: Controls the handling of incoming data during auto-reliable time period. Command Function » \CO Data is discarded. \C1 Data is buffered. \C2 Data is discarded, sets to normal mode and sends auto-reliable character to serial port. AUTO-RETRAIN Type: Configuration Format: AT [cmds] %En [cmds] Example: AT %E0 Description: Selects auto-retrain mode. Command Function » %E0 Auto-retrain disabled. %E1 Auto-retrain enabled. BAUD RATE ADJUST Type: Configuration Format: AT [cmds] \Jn [cmds] Example: AT %L3 %B14 \J0 Description: Allows baud rate to follow serial port speed Command Function » \J0 Baud rate adjust disabled. \J1 Baud rate adjust enabled. BIT-MAPPED REGISTER S14 Format AT [cmds] S14? [cmds] Example: ATS14? Default: Read only Range: 0-174 Unit: Bit-mapped Description: Displays echo, result codes, result code display, dial mode, and answer/originate mode. Bit Value Function 0 0 Not used. 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 Not used. 5 0 Tone dial enabled. 1 Pulse dial enabled. 6 0 Not used. 7 0 Answer mode enabled. 1 Originate mode enabled. BIT-MAPPED REGISTER S21 Format AT [cmds] S21? [cmds] Example: ATS21? Default: Read only Range: 0 - 253 Unit: Bit-mapped Description: Displays jack type, CTS signal, low DTR action, DCD signal, DSR signal, 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 Not used. 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 S22 Format AT [cmds] S22? [cmds] Example: ATS22? Default: Read only Range: 0 - 255 Unit: Bit-mapped Description: Displays volume and speaker settings, result codes, and make/break pulse ratio. Bit Value Function 1, 0 00 Not used. 01 Low volume setting. 10 Medium volume setting 11 Highest volume setting. 3, 2 00 Speaker disabled. 01 Speaker enabled until carrier signal detected 10 Speaker enabled. 11 Speaker enabled following dialing, then disabled after carrier signal detected. 6, 5 ,4 000 Busy and dialtone detection disabled, result codes 0-4 enabled. 100 Busy and dialtone detection disabled, 101 result codes 0-5, 10 enabled. 110 Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 111 enabled. Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled. Busy and dialtone detection enabled, result codes 0-7, 10 enabled. 7 0 Pulse dialing at 39/61ms at 10pps. 1 Pulse dialing at 33/67ms at 10pps. BIT-MAPPED REGISTER S23 Format AT [cmds] S23? [cmds] Example: ATS23? Default: Read only Range: 0-255 Unit: Bit-mapped Description: Displays 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, 2, 1 000 Sets serial port speed to 0-300bps. 001 Sets serial port speed to 1200bps. 010 Sets serial port speed to 2400bps. 011 Sets serial port speed to 4800bps. 100 Sets serial port speed to 7200bps. 101 Sets serial port speed to 9600bps. 110 Sets serial port speed to 19.2Kbps. 111 Sets serial port speed to 38.4Kbps. 5,4 00 Parity even. 01 No Parity. 10 Parity odd. 11 Mark. 7, 6 00 Guard tone disabled. 01 Guard tone disabled. 10 Guard tone 1800Hz enabled. BIT-MAPPED REGISTER S27 Format AT [cmds] S27? [cmds] Example: AT S27? Default: Read only Range: 0 - 127 Unit: Bit-mapped Description: Displays synchronous/asynchronous mode, Line type, internal clock, and ITU-T/Bell modes. Bit Value Function 3, 1, 0 000 Asynchronous mode, serial port speed follows connect speed. 001 Asynchronous command mode and synchronous 010 connect mode. 011 Asynchronous command mode and synchronous connect mode, DTR dialing enabled. 100 Asynchronous command mode on low DTR, synchronous connect mode on high DTR. Hayes AutoSync™ mode - serial port locked at 9600bps. 2 0 Dial up line. 1 Leased line. 5, 4 00 Internal DTE transmit clock source. 01 External DTE transmit clock source. 10 Slave DTE transmit clock source. 6 0 CCITT mode. 1 Bell mode. BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT \B3 &W Range: 0-9 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 Modem Break from DTE receives \B remote modem Reliable/Normal mode Direct mode \K0 Enter command Send break to Buffers Buffers mode, do not remote modem cleared and cleared and send break to immediately, break sent to break sent to remote modem. then enter remote modem. DTE. command mode. \K1 Buffers cleared Send break to Buffers Buffers and break sent remote modem cleared and cleared and to remote immediately. break sent to break sent to modem. remote modem. DTE. \K2 Enter command Send break to Send break to Send break to mode, do not remote modem remote modem DTE send break to immediately, immediately. immediately. remote modem. then enter command mode. \K3 Send break to Send break to Send break to Send break to remote modem remote modem remote modem DTE immediately. immediately. immediately. immediately. \K4 Enter command Send break to Send break to Break sent mode, do not remote modem remote modem with received send break to immediately, with data to the remote modem. then enter transmitted DTE. command mode. data. » \K5 Send break with Send break to Send break to Break sent transmitted remote modem remote modem with received data. immediately. with data to the transmitted DTE. data. BUFFER CONTROL Type: Confiuration Format: AT [cmds] Kn [cmds] Example: AT K1 *L2 #E1 Description: Selects SRAM for use in Fax mode. Command Function K0 SRAM buffer disabled. » K1 SRAM buffer enabled. CALLING TONE Type: Configuration Format: AT [cmds] -Cn [cmds] Example: AT -C0 &W Description: Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating. Command Function » -C0 Disable calling tone. -C1 Enable calling tone. COMPRESSION Type: Configuration Format: AT [cmds] %Cn [cmds] Example: AT *EC0 %C1 *AP0 Description: Selects data compression. Command Function %C0 Data compression disabled. » %C1 Data compression enabled. CONNECT MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT \N1 DT555-1212 Description: Sets connect mode. Command Function \N0 Normal mode. \N1 Direct mode. \N2 MNP reliable mode. » \N3 V.42 auto-reliable mode. \N4 V.42 reliable mode. CONVERT TO RELIABLE MODE Type: Immediate Format: AT [cmds] \Y [cmds] Example: AT \Y Description: Initiates reliable mode link. 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 TYPE Type: Configuration Format: AT [cmds] \Qn [cmds] Example: AT \Q0 A Description: Sets type of flow control used by modem. Command Function \Q0 Flow control disabled. \Q1 XON/XOFF flow control enabled. \Q2 CTS flow control to DTE enabled. » \Q3 RTS/CTS flow control enabled. INACTIVITY TIMER Type: Configuration Format: AT [cmds] \Tn [cmds] Example: AT\T20 Default: 0 Range: 0-90 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. INACTIVITY TIMER Type: Register Format: AT [cmds] S90=n [cmds] Example: ATS90=20 Default: Unidentified Range: 0-255 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. S90=0 will disable. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A3 &MB28800 Description: Sets the maximum transmittable block size. Command Function \A0 Maximum MNP block size is 64 characters. \A1 Maximum MNP block size is 128 characters. \A2 Maximum MNP block size is 192 characters. » \A3 Maximum MNP block size is 256 characters. ON-LINE IN RELIABLE MODE Type: Immediate Format: AT [cmds] \O [cmds] Example: AT \O Description: Returns to on-line and requests reliable mode connection. REPORT SIGNAL QUALITY Type: Immediate Format: AT [cmds] %Q [cmds] Example: AT %Q Description: Reports signal quality. If the value is greater than 7, the modem will retrain. RESULT CODES Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT \V0 Q0 Description: Controls result codes the modem will display. Command Function \V0 Basic result code enabled. \V1 Modified MNP result code enabled. » \V2 Extended V.42 result code enabled. REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Example: AT I1 &W Description: Displays modem properties. Command Function I0 Reports product code. I1 Reports firmware version number. I2 Reports ROM checksum. I3 Reports device set name. I4 Reports current configuration (see rows below, default is 31). Bit Value Meaning 0 0 Hayes escape sequence. » 1 TIES escape sequence. 1 0 No error corection firmware. » 1 Error corection firmware. 2 0 Serial host interface. » 1 Parallel host interface. 3 0 No external static RAM present. » 1 External static RAM present. 4 0 8K x 8 static RAM present. » 1 32K x 8 static RAM present. RETURN TO RELIABLE MODE Type: Immediate Format: AT [cmds] \Z [cmds] Example: AT \Z Description: Ends reliable mode link, initiate return to normal mode. TEST MODES Format AT [cmds] S16? [cmds] Example: ATS16? Default: Ready-only Range: 0-125 Unit: Bit-mapped Description: Displays loopback tests, analog, digital, remote digital, and self tests. Bit Value Function 0 0 Local analog loopback not in progress. 1 Local analog loopback in progress. 1 0 Not used. 2 0 Local digital loopback not in progress. 1 Local digital loopback in progress. 3 0 Modem not in remote digital loopback. 1 Remote digital loopback in progress. 4 0 Remote digital loopback not requested. 1 Remote digital loopback requested. 5 0 Remote digital loopback w/ self-test not in progress. 1 Remote digital loopback w/ self-test in progress. 6 0 Local analog loopback w/ self-test not in progress. 1 Local analog loopback w/ self-test in progress. V.42 DETECTION PHASE Type: Configuration Format: AT [cmds] -Jn [cmds] Example: AT -J1 &W Description: Controls V.42 detection. Command Function -J0 V.42 detection disabled. » -J1 V.42 detection enabled. V.42bis COMPRESSION CONTROL Type: Configuration Format: AT [cmds] "Hn [cmds] Example: AT "H3 &W Description: Controls V.42bis data compression. Command Function "H0 V.42bis disabled. "H1 V.42bis when transmitting enabled. "H2 V.42bis when receiving enabled. » "H3 V.42bis when transmitting/receiving enabled. V.42bis MAXIMUM STRING LENGTH Type: Immediate Format: AT [cmds] "On [cmds] Example: AT "O16 Default: 16 Range: 6 - 250 Unit: Unidentified Description: Selects string size for V.42bis compression. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT \X7 O Description: Selects whether XON/XOFF signals are sent to remote modem. Command Function » \X0 XON/XOFF signals trapped by local modem. \X1 XON/XOFF passed through local modem.