AT&T PARADYNE KEEPINTOUCH PCMCIA MODEM 3765/3766 Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus PCMCIA Type II 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, V.34 AT&T ETC cellular protocol Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Proprietary AT Command Set V1402 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. AUTO-RETRAIN Type: Configuration Format: AT S76=n Example: AT S76=1 Description: Selects auto-retrain mode for V.32bis. Command Function » S76=0 Auto-retrain enabled. S76=1 Auto-retrain disabled. S76=2 Auto-retrain enabled; speed defaults to 4800bps. S76=3 Auto-retrain enabled; speed defaults to 9600bps. BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K1 Description: Configures action of break signal. Command Function \K0 Buffers cleared and break sent to remote modem, then enter command mode. \K1 Buffers cleared and break sent to remote modem. \K2 Send break to remote modem immediately, then enter command mode. \K3 Send break to remote modem immediately. \K4 Send break to remote modem with transmitted data, then enter command mode. » \K5 Send break to remote modem with transmitted data. CELLULAR PHONE TYPE Type: Configuration Format: AT )Cn Example: AT )C1 Description: Selects the type of cellular phone that the modem is connected to. Command Function » )C0 Motorola phone in use. )C1 NEC P100 series or AT&T 3610 phone in use. )C2 OKI 900, 1145, or 1150 or AT&T 3710, 3730, or 3760 phone in use. 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 \N0 Normal mode enabled. \N1 Direct mode enabled. \N2 MNP mode only enabled. \N4 LAP-M mode only enabled. \N6 LAP-M mode with fallback to MNP enabled. \N7 LAP-M mode with fallback to MNP and normal modes enabled. » \N8 For 4800bps and above, use \N4. Use \N7 for lower speeds. 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. INACTIVITY TIMER Type: Register Format: AT [cmds] \Tn [cmds] Example: AT\T20 Default: Unidentified Range: 0-255 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] S90=n [cmds] Example: AT %L3 %B14 S90=0 Description: Sets operation of serial port speed. Command Function » S90=0 Serial speed locked. S90=1 Serial speed follows connect speed. 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. \A4 MNP block size is 32 characters. \A5 MNP block size is 16 characters. NEGOTIATE PROTOCOL Type: Configuration Format: AT S78=n Example: AT S78=1 Description: Configures whether the modem will attempt to negotiate protocols or if only the protocol selected in %Bn will be used. Command Function » S78=0 Negotiation enabled. S78=1 Negotiation disabled. REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Example: AT I3 &V1 %V Description: Displays modem properties. Command Function I0 Reports product code. I1 Reports firmware version in short form. I2 Reports firmware checksum result. I19 Reports firmware version in long form. SWITCHED LINE TRANSMISSION LEVEL Type: Configuration Format: AT [cmds] &In [cmds] Example: AT &I15 Default: 9 Range: 10 - 25 Unit: -1 dBm Description: Sets the signal level for transmission when in switched line mode. 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.