LOGICODE TECHNOLOGY, INC. 14V14PCMCIA Modem Type Data (synchronous/asynchronous)/Fax/Voice Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA 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.17, V.21CH2, V.27ter, V.29 Error MNP5, V.42, V.42bis Correction/Compression Proprietary AT Command Set V1275 AUTO-RELIABLE FALLBACK CHARACTER Type: Register Format: AT [cmds] %An [cmds] Example: AT%A20 Default: 13 Range: 0-127 Unit: ASCII Description: Sets the character used as the auto-reliable fallback character. %A0 will disable this function. ACCEPT RELIABLE MODE Type: Immediate Format: AT [cmds] \Un Example: AT \U Description: Accepts remote modem’s request for reliable link. 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 » \C0 Data is discarded. \C1 Data is buffered. \C2 Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character. AUTO-RETRAIN Type: Configuration Format: AT %En Example: AT %E1 Description: Selects auto-retrain mode. Command Function %E0 Auto-retrain disabled. » %E1 Auto-retrain enabled. BIT-MAPPED REGISTER S14 Format AT [cmds] S14=n [cmds] Example: ATS14=40 Default: Read only Range: 0 - 174 Unit: Bit-mapped Description: Stores AT command settings. Bit Value Function 0 0 Not used. 1 0 Echo function disabled. 1 Echo function enabled. 2 0 Result code sending enabled. 1 Result code sending disabled. 3 0 Numeric format enabled. 1 Verbose format enabled. 4 0 Not used. 5 0 Tone dialing enabled. 1 Pulse dialing enabled. 6 0 Not used. 7 0 Answer mode enabled. 1 Originate mode enabled. BIT-MAPPED REGISTER S21 Format AT [cmds] S21=n [cmds] Example: ATS21=4 Default: 0 Range: 0 - 253 Unit: Bit-mapped Description: Selects jack type, CTS signal, low DTR action, DCD signal, DSR signal, and startup profile. 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 Profile 0 selected at power-up. 1 Profile 1 selected at power-up. BIT-MAPPED REGISTER S23 Format AT [cmds] S23=n [cmds] Example: ATS23=177 Default: 177 Range: 0-255 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, 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 19200bps. 5,4 00 Even parity. 01 Space parity. 10 Odd parity. » 11 Mark or no parity. 7, 6 00 Guard tone disabled. 01 Guard tone disabled. » 10 Guard tone 1800Hz enabled. BIT-MAPPED REGISTER S27 Format AT [cmds] S27=n [cmds] Example: ATS27=9 Default: 9 Range: 0 - 127 Unit: Bit-mapped Description: Displays sync/async 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 off-line command mode and » 101 synchronous connect mode. 110 Error-correcting mode. Asynchronous mode, serial port speed locked. 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: 1ms 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 VOICE/FAX Type: Configuration Format: AT [cmds] Kn [cmds] Example: AT K0 &W Description: Use SRAM for fax and voice mode buffering. Command Function K0 SRAM buffer disabled. K1 SRAM buffer enabled. CALLING TONE Type: Configuration Format: AT [cmds] -Cn [cmds] Example: AT -C1 DT555-1212 Description: Controls the transmission of the calling tone while dialing. Command Function -C0 Calling tone disabled. -C1 Calling tone enabled. COMPRESSION Type: Configuration Format: AT %Cn 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 \N1 Normal mode. \N0 Direct mode. \N2 MNP reliable mode. » \N3 V.42 auto-reliable mode. \N4 V.42 reliable mode. EXTENDED RESULT CODE FORMAT Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT \V0 Q0 Description: Selects extended result codes. Command Function \V0 Extended result codes disabled. » \V1 MNP result codes enabled. \V2 V.42 result codes enabled. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT G1 &M0 Description: Selects modem port flow control. Command Function » \G0 Flow control disabled. \G1 Flow control enabled. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT \X0 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. 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 Software flow control enabled. \Q2 Unidirectional flow control enabled. » \Q3 Bidirectional flow control enabled. INACTIVITY TIMER Type: Register Format: AT [cmds] \Tn [cmds] Example: AT\T20 Default: 0 Range: 0-90 Unit: 1 second 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: 0 Range: 0-255 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. PROTOCOL/SPEED Format AT [cmds] S109=n [cmds] Example: ATS109=62 Default: 62 Range: 0 - 62 Unit: Bit-mapped Description: Selects the available speeds. Bit Value Function 0 0 Not used. 1 0 4800bps disabled. » 1 4800bps enabled. 2 0 7200bps disabled. » 1 7200bps enabled. 3 0 9600bps disabled. » 1 9600bps enabled. 4 0 12Kbps disabled. » 1 12Kbps enabled. 5 0 14.4Kbps disabled. » 1 14.4Kbps enabled. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] \Jn [cmds] Example: AT %L3 %B14 \J0 Description: Sets operation of serial port speed. Command Function » \J0 Serial speed locked. \J1 Serial speed follows connect speed. LOOPBACK TESTS Format AT [cmds] S16=n [cmds] Example: ATS16=32 Default: 0 Range: 0 - 255 Unit: Bit-mapped Description: Enables loopback tests. Note: Bit 3 is read-only. Bit Value Function 0 » 0 Local analog loopback test disabled. 1 Local analog loopback test enabled. 1 0 Not used. 2 » 0 Local digital loopback test disabled. 1 Local digital loopback test enabled. 3 » 0 Modem is not performing remote digital loopback test. 1 Modem is performing remote digital loopback test. 4 » 0 Remote digital loopback test disabled. 1 Remote digital loopback test enabled. 5 » 0 Remote digital loopback with local self-test disabled. 1 Remote digital loopback with local self-test enabled. 6 » 0 Local analog loopback with local self-test disabled. 1 Local analog loopback with local self-test enabled. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A3 %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. RETURN TO RELIABLE MODE Type: Immediate Format: AT [cmds] \Z [cmds] Example: AT \Z Description: Ends reliable mode link, initiate return to normal mode. PROTOCOL/SPEED Type: Configuration Format: AT [cmds] Fn [cmds] Example: AT F0 A Description: Selects the current protocol and speed. Command Function F0 Auto-select fastest common protocol. F1 Select V.21 and Bell 103A. F3 Select V.23 only. F4 Select V.22 and Bell 212A. F5 Select V.22bis only. F6 Select V.32bis and V.32. F7 Select V.32bis only. F8 Select V.32 only. F9 Select V.32bis only. F10 Select V.32bis only. ON-LINE IN RELIABLE MODE Type: Immediate Format: AT [cmds] \On Example: AT \O Description: Returns to on-line and requests reliable mode connection. CONVERT TO RELIABLE MODE Type: Immediate Format: AT [cmds] \Y [cmds] Example: AT \Y Description: Initiates reliable mode link. V.42 HANDSHAKE OPTIONS Type: Configuration Format: AT [cmds] -Jn [cmds] Example: AT-J &W Description: Controls negotiation of V.42 and MNP protocols. Command Function -J0 V.42 negotiation disabled. » -J1 V.42 negotiation enabled. V.42bis COMPRESSION Type: Configuration Format: AT [cmds] "Hn [cmds] Example: AT "H0 &W Description: Controls V.42bis compression. Command Function "H0 Data compression disabled. "H1 Data compression enabled. "H2 Data compression enabled on transmit only. » "H3 Data compression enabled on receive only. V.42bis STRING LENGTH Type: Configuration Format: AT [cmds] "On [cmds] Example: AT"O6 Default: 16 Range: 6-250 Unit: 1 character Description: Sets the maximum number of characters compressed into a V.42bis code word.