ANGIA COMMUNICATIONS, INC. DATASTAR MNP Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 2400bps Maximum Fax Rate 9600bps Data Bus PCMCIA TYPE II Fax Class Class I & II Data Modulation Protocol Bell 103A/212A ITU-T V.22, V.22bis Fax Modulation Protocol ITU-T V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis V1556 Proprietary AT Command Set ACCEPT RELIABLE MODE Type: Immediate Format: AT [cmds] \U Example: AT \U Description: Accepts remote modem’s request for reliable link. BIT-MAPPED REGISTER S14 Format AT [cmds] S14=n [cmds] Example: ATS14=170 Default: 170 Range: 0-174 Unit: Bit-mapped Description: Controls 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 Command recognition 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=n [cmds] Example: ATS21=0 Default: 0 Range: 0 - 184 Unit: Bit-mapped Description: Selects jack type, low DTR action, DCD signal, and the Long Space Disconnect function. Bit Value Function 0 » 0 Selects RJ-11 2, 1 0 Not used. 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 Not used. 7 » 0 Long Space Disconnect function disabled. 1 Long Space Disconnect function enabled. BIT-MAPPED REGISTER S27 Format AT [cmds] S27=n [cmds] Example: AT S27=64 Default: 64 Range: 0 - 115 Unit: Bit-mapped Description: Selects sync/async mode, Line type, internal clock, and ITU-T/Bell modes. Bit Value Function 1, 0 » 00 Asynchronous mode, serial port speed follows connect speed. 01 Asynchronous command mode and synchronous 10 connect mode. 11 Asynchronous command mode and synchronous connect mode, DTR dialing enabled. Asynchronous command mode on low DTR, synchronous connect mode on high DTR. 3, 2 0 Not used. 5, 4 » 00 Internal DCE transmit clock source. 01 External DTE transmit clock source. 10 Remote DCE transmit clock source. 11 Internal DCE transmit clock source. 6 0 CCITT mode. » 1 Bell mode. 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 Function \K0 Online command mode enabled, send no break to remote modem. \K1 Break sent to remote modem and buffered cleared. \K2 Online command mode enabled, send no break to remote modem. \K3 Send break to remote modem immediately. \K4 Break sent to remote modem and buffered cleared. » \K5 Send break with transmitted data. COMPRESSION Type: Configuration Format: AT [cmd] %Cn [cmd] Example: AT %C1 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 enabled. \N1 Direct mode enabled. \N2 Reliable mode enabled. » \N3 Auto-reliable mode enabled. CONVERT TO RELIABLE MODE Type: Immediate Format: AT [cmds] \Y [cmds] Example: AT \Y Description: Initiates reliable mode link. DISPLAY CURRENT COMMAND STATUS Type: Immediate Format: AT [cmds] \S [cmds] Example: AT &Z2=9W1-303-555-1212 \S Description: Displays current setting of modem commands. EXTENDED RESULT CODES Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT \V1 %C1 Description: Selects extended result codes. Command Function \V0 Extended result codes disabled. » \V1 Extended result codes enabled. 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 \Q3 Description: Sets type of flow control used by modem. Command Function \Q0 Flow control disabled. \Q1 Bidirectional XON/XOFF flow control enabled. » \Q2 CTS flow control by DCE enabled. \Q3 Bidirectional CTS/RTS flow control enabled. \Q4 XON/XOFF flow control by DCE 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 %L3 %B14 \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 \N1 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. ON-LINE IN RELIABLE MODE Type: Immediate Format: AT [cmds] \O Example: AT \O Description: Returns to on-line and requests reliable mode connection. SWITCH TO MNP MODE Type: Immediate Format: AT [cmds] \Z [cmds] Example: AT \Z &W Description: Switches to normal mode from MNP mode. TEST MODES Format AT [cmds] S16=n [cmds] Example: ATS16=40 Default: 0 Range: 0-125 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. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT \X0 \U 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.