MAXTECH CORPORATION GM144E 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.22, V.22bis, V.32, V.32bis Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP 5, 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 TST Red On Normal operation TST Red Flash Modem has detected and corrected error HS Red On Modem is operating at 4800bps or faster HS Red Off Modem is operating at slower than 4800bps AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing CD Red On Carrier signal detected CD Red Off Carrier signal not detected OH Red On Modem is off-hook OH Red Off Modem is on-hook RD Red On Modem is receiving data RD Red Off Modem is not receiving data SD Red On Modem is transmitting data SD Red Off Modem is not transmitting data TR Red On DTR signal is high TR Red Off DTR signal is low MR Red On Power is on MR Red Off Power is off Proprietary AT Command Set AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] $An [cmds] Example: AT $A1 &W Description: Controls the handling of incoming data during auto-reliable time period. Command Function » $A0 Data is discarded. $A1 Data is buffered. CALLBACK ATTEMPTS Type: Register Format: AT [cmds] S16=n [cmds] Example: ATS16=6 Default: 4 Range: 1-255 Unit: 1 attempt Description: Sets the maximum number of login attempts after initial callback connection. FAILED PASSWORD ATTEMPTS Type: Register Format: AT [cmds] S26? Example: ATS26? Default: Read-only Range: 0-255 Unit: 1 attempt Description: This register stores the number of failed password attempts. DISTINCTIVE RING Format AT [cmds] S101=n [cmds] Example: ATS101=40 Default: 0 Range: 0 - 255 Unit: Bit-mapped Description: Bit Value Function 0 » 0 Do not respond to ring type A. 1 Respond to ring type A. 1 0 Not used. 2 » 0 Do not respond to ring type C. 1 Respond to ring type C. 3 » 0 Do not respond to ring type D. 1 Respond to ring type D. 4 » 0 Do not respond to ring type E. 1 Respond to ring type E. 5 0 Not used. 6 » 0 Do not respond to ring type G. 1 Respond to ring type G. 7 » 0 Report RING for all ring types. 1 Report RING n where n is the ring type.