MICROCOM, INC. AX/1200 Card Type Modem (synchronous/asynchronous) Chipset Microcom, Inc. Maximum Onboard Memory 8K battery-backup DRAM Maximum Data Rate 1200bps Data Bus Serial Data Modulation Bell 103A/212A ITU-T V.22 Error Correction/Compression MNP4 [Image] CONNECTIONS Function Label Function Label Line out CN1 Volume R1 Line in CN2 Talk/data switch SW3 DC power CN3 Synchronous/asynchronous switch SW4 RS-232/422 CN4 Reset switch SW5 USER CONFIGURABLE SETTINGS Setting Label Position Busy out disabled JP1 Pins 3 & 4 closed Busy out enabled JP1 Pins 1 & 2 closed Receiver sensitivity set to -10 to -43 JP2 Pins 3 & 4 dBm closed Receiver sensitivity set to 0 to -33 dBm JP2 Pins 1 & 2 closed Pin 12 of RS-232 port indicates 1200bps JP3/A Closed connection Pin 12 of RS-232 port does not indicate JP3/A Open 1200bps connection Synchronous transmit clock on RS-232 pin JP3/B Closed 15 enabled Synchronous transmit clock on RS-232 pin JP3/B Open 15 disabled USER CONFIGURABLE SETTINGS (CON’T) Setting Label Position Pin 15 of RS-232 port does not indicate JP3/C Open 1200bps connection Pin 15 of RS-232 port indicates 1200bps JP3/C Closed connection RTS signal in on RS-232 pin 15 disabled JP3/D Open RTS signal in on RS-232 pin 15 enabled JP3/D Closed Factory configured - do not alter JP4 N/A DTR normal SW1/1 On DTR forced high SW1/1 Off Microcom SX command set enabled SW1/2 On (asynchronous mode only) AT command set enabled (asynchronous mode SW1/2 Off only) Result codes disabled (asynchronous mode SW1/3 On only) Result codes enabled (asynchronous mode SW1/3 Off only) Command echo disabled (asynchronous mode SW1/4 Off only) Command echo enabled (asynchronous mode SW1/4 On only) Auto-answer enabled (asynchronous mode SW1/5 On only) Auto-answer disabled (asynchronous mode SW1/5 Off only) CD normal (asynchronous mode only) SW1/6 On CD forced high (asynchronous mode only) SW1/6 Off Verbose result codes enabled SW1/7 On (asynchronous mode only) Numeric result codes enabled SW1/7 Off (asynchronous mode only) Command sets disabled (asynchronous mode SW1/8 On only) Command sets enabled (asynchronous mode SW1/8 Off only) MNP result codes disabled (asynchronous SW2/5 On mode only) MNP result codes enabled (asynchronous SW2/5 Off mode only) Factory defaults not restored on reset SW2/6 On (asynchronous AT command set only) Factory defaults restored on reset SW2/6 Off (asynchronous AT command set only) Switched line type (synchronous mode SW2/6 On only) Leased line type (synchronous mode only) SW2/6 Off Configuration not set to switch settings SW2/7 On on reset (asynchronous mode only) Configuration set to switch settings on SW2/7 Off reset (asynchronous mode only) Auto-answer disabled (synchronous mode SW2/7 On only) Auto-answer enabled (synchronous mode SW2/7 Off only) Factory configured - do not alter SW2/8 Off AUTO-DIAL NUMBER (SYNCHRONOUS MODE ONLY) Setting SW1/4 SW1/5 SW1/6 SW1/7 First number Off On On On Second number On Off On On Third number On On Off On Fourth number On On On Off Disabled On On On On FLOW CONTROL (ASYNCHRONOUS MODE ONLY) Modem to DTE Modem to Modem SW2/1 SW2/2 Disabled Disabled On On XON/XOFF XON/XOFF On Off RTS/CTS XON/XOFF Off On Disabled Disabled Off Off CONNECT MODE (ASYNCHRONOUS MODE ONLY) Setting SW2/3 SW2/4 Normal mode On On Direct mode Off Off Reliable mode On Off Auto-reliable mode Off On CD, DSR, AND CTS SIGNALS (SYNCHRONOUS MODE ONLY) CD Signal DSR Signal CTS Signal SW2/4 SW2/5 Forced high Forced high Forced high On On Normal Follows OH Normal On Off High except at High except at High except at Off On disconnect disconnect disconnect Normal Forced high Forced high Off Off DIAGNOSTIC LED(S) LED Color Status Condition PWR Unidentified On Power is on PWR Unidentified Off Power is off TST Unidentified On System error has occurred or modem is retraining TST Unidentified Blinking Serial port is waiting to be configured TST Unidentified One blink Data error has occurred TST Unidentified Off Normal operation OH Unidentified On Modem is off-hook OH Unidentified Off Modem is on-hook HS Red On Modem is operating at 1200bps HS Red Off Modem is operating at 300bps DTR Unidentified On DTR signal is high DTR Unidentified Off DTR signal is low TX Unidentified Blinking Modem is transmitting data TX Unidentified Off Modem is not transmitting data RX Unidentified Blinking Modem is receiving data RX Unidentified Off Modem is not receiving data SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, B, E, H, I, M, O, P, Q, T, V, X, Z &D, &F, &G, &L, &M, &P, &R, &T, &W, &Z Extended AT Commands \A, \B, \C, \E, \G, \J, \L, \N, \O, \Q, \T, \U, \V, \X, \Y, \Z %A, %E S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S25, S26, S27 Note: See MHI documentation for complete information. See MICROCOM, INC. AX/2400 for a full command summary.