ASPEN TECHNOLOGIES, INC. 14.4EFX Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus External 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 Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 DC power CN4 Line in CN2 Power switch SW1 RS-232/422 CN3 DIAGNOSTIC LED(S) LED Color Status Condition MR Red On Power is on MR Red Off Power is off TR Red On DTR signal is high TR Red Off DTR signal is low SD Red Blinking Modem is transmitting data SD Red Off Modem is not transmitting data RD Red Blinking Modem is receiving data RD Red Off Modem is not receiving data OH Red On Modem is off-hook OH Red Off Modem is on-hook CD Red On Carrier signal detected CD Red Off Carrier signal not detected AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing HS Red Blinking Modem is in test mode or detected an error HS Red On Modem is operating at 9600bps or faster HS Red Off Modem is not operating faster than 9600bps Proprietary AT Command Set ACCEPT RELIABLE MODE Type: Immediate Format: AT [cmds] \U [cmds] Example: AT \U B1 Description: Accepts remote modem’s request for reliable link. 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. BTI-MAPPED REGISTERS Register Default S14 Unidentified S21 Unidentified S22 Unidentified S23 Unidentified S27 Unidentified S40 57 S41 1 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 \K5 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. \K3 Send break to remote modem immediately. » \K5 Send break with transmitted data. COMPRESSION Type: Configuration Format: AT [cmds] %Cn [cmds] Example: AT %C1 Description: Selects data compression. Command Function %C0 Data compression disabled. » %C1 Data compression enabled. COMPRESSION Type: Configuration Format: AT [cmds] %Mn [cmds] Example: AT %M3 Description: Selects data compression. Command Function %M0 Data compression disabled. %M1 Data compression enabled on transmit only. %M2 Data compression enabled on receive only. » %M3 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. ECHO OPTIMIZATION Type: Immediate Format: AT [cmds] \En [cmds] Example: AT \E1 Description: Enables modem echo optimization. Command Function \E1 One shot optimization enabled. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT \G0 &K3 Description: Selects modem port flow control. Command Function » \G0 Flow control disabled. \G1 Flow control enabled. INACTIVITY TIMER Type: Configuration Format: AT [cmds] \Tn [cmds] Example: AT\T0 Default: 0 Range: 0-90 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. LINE SIGNAL LEVEL Type: Immediate Format: AT [cmds] %L [cmds] Example: AT %L &W Description: Returns recieved line signal level. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A2 &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. 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. REPORT SIGNAL QUALITY Type: Immediate Format: AT [cmds] %Q [cmds] Example: AT %Q &W Description: Reports signal quality. 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=0 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. V.42bis DICTIONARY CLEAR Type: Immediate Format: AT [cmds] %P [cmds] Example: AT %P &W Description: Clears V.42bis dictionary. V.42bis DICTIONARY SIZE Type: Configuration Format: AT [cmds] %Dn [cmds] Example: AT %D2 &W Description: Controls V.42bis dictionary size. Command Function %D0 512 bytes. %D1 1024 bytes. » %D2 2048 bytes %D3 4096 bytes (one way compression only) V.42bis MAXIMUM STRING LENGTH Type: Configuration Format: AT [cmds] %Sn [cmds] Example: AT %S32 Default: 32 Range: 6 - 64 Unit: Unidentified Description: Selects string size for V.42bis compression.