PURE DATA, LTD. PDMCIA-V.32BIS Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 14.4Kbps Maximum Fax Rate 9600bps Data Bus PCMCIA Fax Class Class I Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis Fax Modulation Protocol ITU-T V.21CH.2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis V1550 Proprietary AT Command Set AUTO-RELIABLE FALLBACK CHARACTER Type: Configuration Format: AT [cmds] %An [cmds] Example: AT%A20 Default: Unidentified 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] &On [cmds] Example: AT &O1 &Q4 Description: Controls the handling of incoming data during auto-reliable time period. Command Function &O0 Data is discarded. &O1 Data is buffered. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] \Cn [cmds] Example: AT \C1 \B 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 [cmds] &En [cmds] Example: AT &E0 H1 Description: Selects auto-retrain mode. Command Function &E0 Auto-retrain disabled. &E1 Auto-retrain enabled. AUTO-RETRAIN Type: Configuration Format: AT [cmd] %En [cmd] 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? [cmds] Example: ATS14? Default: Read only Range: 0-255 Unit: Bit-mapped Description: Reports echo, result codes, result code display, dumb mode, dial mode, and answer/originate mode. Bit Value Meaning 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 Dumb mode disabled. 1 Dumb mode enabled. 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 - 255 Unit: Bit-mapped Description: Reports jack type, CTS signal, low DTR action, DCD signal, DSR signal, and the Long Space Disconnect function. Bit Value Meaning 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: Reports speaker volume and controls, limits results codes and make-break ratio. Bit Value Meaning 1, 0 00 Off volume. 01 On volume. 10 Medium level volume. 11 High level volume. 3, 2 00 Speaker off. 01 Speaker off on carrier. 10 Speaker always on. 11 Speaker on during handshake. 6, 5, 4 000 Basic result codes only enabled. 001 Basic and connection speed result codes enabled. 010 Basic and connection speed result codes 011 and dialtone detection enabled. 100 All result codes except dialtone detection enabled. All result codes enabled. 7 0 Pulse dial make-break 39%/61%. 1 Pulse dial make-break 33%/67%. BIT-MAPPED REGISTER S23 Format AT [cmds] S23? [cmds] Example: ATS23? Default: Read only Range: 0-255 Unit: Bit-mapped Description: Reports remote digital loopback, DTE rate and parity, and guard tone. Bit Value Meaning 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 12000bps. 111 Sets serial port speed to 14400bps. 5, 4 00 Parity even. 01 Not used. 10 Parity odd. 11 No Parity. 7, 6 00 Guard tone disabled. 01 Guard tone 550Hz enabled. 10 Guard tone 1800Hz enabled. BREAK SEND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT \B3 &W 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 Modem receives Break received \B from remote modem \K0 Online command Break sent to Buffers mode enabled, remote modem and cleared, break send no break to buffered sent to DTE. remote modem. cleared. \K1 Break sent to Break sent to Buffers remote modem and remote modem and cleared, break buffered buffered sent to DTE. cleared. cleared. \K2 Online command Send break to Break sent mode enabled, remote modem immediately to send no break to immediately. DTE. remote modem. \K3 Send break to Send break to Break sent remote modem remote modem immediately to immediately. immediately. DTE. \K4 Online command Send break with Break sent with mode enabled, transmitted received data send no break to data. to the DTE. remote modem. \K5 Send break with Send break with Break sent with transmitted transmitted received data data. data. to the DTE. COMPRESSION Type: Configuration Format: AT [cmds] &Un [cmds] Example: AT %E &U1 \K Description: Selects data compression. Command Function &U0 Data compression disabled. &U1 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 enabled. \N1 Normal mode enabled. \N2 Reliable mode enabled, MNP only. \N3 Auto-reliable mode enabled, MNP with fallback to Normal mode. \N4 Reliable mode enabled, LAPM only. \N5 Auto-reliable mode enabled, LAPM with fallback to Normal mode. \N6 Reliable mode enabled, LAPM with fallback to MNP mode. \N7 Auto-reliable mode enabled, LAPM with fallback to MNP then to Normal mode. CONNECTION SPEED LOWER LIMIT Type: Configuration Format: AT [cmds] %Mn [cmds] Example: AT %M300 \JO Description: Sets slowest allowed connection speed. Command Function %M300 Select 300bps minimum speed. %M1200 Select 1200bps minimum speed. %M2400 Select 2400bps minimum speed. %M4800 Select 4800bps minimum speed. %M7200 Select 7200bps minimum speed. %M9600 Select 9600bps minimum speed. %M12000 Select 12Kbps minimum speed. %M14400 Select 14.4Kbps minimum speed. CONNECTION SPEED UPPER LIMIT Type: Configuration Format: AT [cmds] %Bn [cmds] Example: AT %M1200 %B9600 \J1 Description: Sets fastest allowed connection speed. Command Function %B300 Select 300bps maximum speed. %B1200 Select 1200bps maximum speed. %B2400 Select 2400bps maximum speed. %B4800 Select 4800bps maximum speed. %B7200 Select 7200bps maximum speed. %B9600 Select 9600bps maximum speed. %B12000 Select 12Kbps maximum speed. %B14400 Select 14.4Kbps maximum speed with V.32bis option. COMPRESSION Type: Configuration Format: AT [cmd] %Cn [cmd] Example: AT %C1 Description: Selects data compression. Command Function %C0 Data compression disabled. %C1 Data compression requested, V.42bis in LAPM, MNP5 in MNP. %C2 Data compression requested, V.42bis in LAPM, MNP5 in MNP. %C3 Data compression requested, V.42bis in LAPM, MNP5 in MNP. ECHO DATA Type: Configuration Format: AT [cmds] \En [cmds] \Example: AT \E0 Description: Enables modem to echo received data. Command Function \E0 Data echo disabled. \E1 Data echo enabled. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT \G1 Description: Selects modem port flow control. Command Function \G0 Flow control disabled. \G1 Flow control enabled. FLOW CONTROL - ENQ/ACK Type: Configuration Format: AT [cmds] \Hn [cmds] Example: AT \H9 Description: Selects ENQ/ACK pacing. Command Function \H0 Disables ENQ/ACK pacing. \H1 Enables ENQ/ACK pacing in terminal mode. \H2 Enables ENQ/ACK pacing in host mode. 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 Bidirectional XON/XOFF flow control enabled. \Q2 Unidirectional CTS flow control to DTE enabled. \Q3 Bidirectional RTS/CTS flow control enabled. \Q4 Unidirectional XON/XOFF flow control enabled. \Q5 Unidirectional CTS flow control to DTE, CTS off until CONNECT enabled. \Q6 Bidirectional RTS/CTS flow control, CTS off until CONNECT 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. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] \Jn [cmds] Example: AT \J0 Description: Sets operation of serial port speed. Command Function \J0 Serial speed locked. \J1 Serial speed follows connect speed. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A3 %B1200 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. 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. NUMERIC RESULT CODES Type: Configuration Format: AT [cmds] &Nn [cmds] Example: AT &N0 &E Description: Selects the type of numeric result codes. Command Function &N0 Hayes numeric result codes enabled. &N1 Microcom numeric result codes enabled. REPORT FIRMWARE VERSION Type: Immediate Format: AT [cmds] %V [cmds] Example: AT %V Description: Displays firmware version. REPORT PROTOCOL Type: Register Format: AT [cmds] S27? [cmds] Example: AT S27? Description: Reports ITU-T/Bell modes. Value Meaning 0 CCITT mode. 64 Bell mode. RESULT CODES Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT \V1 W0 Description: Selects the type of result code format. Command Function \V0 /REL connect codes not displayed, unless W1 is set. \V1 /REL connect codes are displayed, unless W1 is set. \V2 -LAPM, -MNP, /REL connect codes are displayed. TEST MODES Format AT [cmds] S16? [cmds] Example: ATS16? Default: Read only Range: 0-255 Unit: Bit-mapped Description: Controls 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.42bis MAXIMUM STRING LENGTH Type: Register Format: AT [cmds] S214=n [cmds] Example: AT S214=250 Default: 250 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 \X1 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.