UNIDENTIFIED INTERNAL 1/2 CARD MODEM Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 9600bps Maximum Fax Rate 14.4Kbps Data Bus 8-bit ISA Fax Class Class 1 Data Modulation Protocol Bell 103 & 212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis Fax Modulation Protocol ITU-T V.17, V27ter, V29 Error Correction/Compression MNP 1 - 5, ITU-T V.42, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line-in CN1 Line-out CN2 ADDRESS SELECT COM/Address SW1/1 SW1/2 COM2/2F8h Off On COM1/3F8h Off Off COM3/3E8h On Off COM4/2E8h On On INTERRUPT SELECT IRQ SW1/3 SW1/4 IRQ3 Off On IRQ2 On On IRQ4 Off Off IRQ5 On Off %A - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] %An [cmds] Example: AT M3 %A3 Description Sets the auto-reliable fall-back ASCII character. The default is 13. %C - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] %Cn [cmds] Example: AT &Z1 %C0 D5555555 Description Enables/disables MNP 5 data compression. Command Function » %C1 MNP 5 data compression enabled. %C0 MNP 5 data compression disabled. %E - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] %En [cmds] Example: AT M3 %E0 D5555555 Description Enables/disables the auto-retrain function for V,22bis and V.32 protocols. Command Function » %E1 Auto-retrain function enabled. %E0 Auto-retrain function disabled. %G - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] %Gn [cmds] Example: AT M3 %G0 D5555555 Description Enables/disables the auto-fall-back/fall-forward function for V,22bis and V.32 protocols. Command Function » %E0 Auto-fall-back/fall-forward function disabled. %E1 Auto-fall-back/fall-forward function enabled. \A - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \An [cmds] Example: AT M3 \An D5555555 Description Sets the limits for the character block size. \A - PROPRIETARY COMMAND Command Function » \A3 256 characters. \A0 64 characters. \A1 128 characters. \A2 192 characters. \B - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Bn [cmds] Example: AT M3 \Bn D5555555 Description Sets the transmit break length from 0 to 900 in 100ms increments. The default is 0ms (n = 0). \C - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Cn [cmds] Example: AT M3 \Cn D5555555 Description Sets the limits for the auto-reliable buffer. Command Function » \C0 Auto-reliable buffer disabled. \C1 Buffers characters for 4 seconds or until 200 characters are in the buffer. \C2 Auto-reliable buffer disabled. Modem goes to normal mode if an auto-reliable character is received. \G - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT M3 \Gn D5555555 Description Enables/disables modem port flow control Command Function » \G0 Port flow control disabled. \G1 XON/XOFF port flow control enabled. \J - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Jn [cmds] Example: AT M3 \Jn D5555555 Description Enables/disables the serial port data transfer rate adjustment feature. Command Function » \J0 Data transfer rate adjustment disabled (serial port allowable data transfer rate is constant). \J1 Data transfer rate adjustment enabled (serial port data transfer rate depends on the data transfer rate established in the connection). \K - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT M3 \Kn D5555555 Description Sets the remote modem’s response to a break issued by the local modem. Command Function » \K5 Local modem in connect state, reliable or normal mode: \K0, \K2, \K4 Nondestructive/non-expedited handling of buffered \K1 data. \K3 Remote modem goes into the command mode and does not return the break signal. Destructive, expedited handling of buffered data Non-destructive/expedited handling of buffered data. » \K5, \K4 Local modem in command state, reliable or normal mode: \K0, \K1 Non-destructive/non-expedited handling of buffered \K2, \K3 data. Destructive/expedited handling of buffered data. Non-destructive/expedited handling of buffered data. » \K5, \K1, \K3 Local modem in connect state, direct mode: \K0, \K2, \K4 Remote modem immediately returns break. Remote modem immediately returns break, then goes into the command state. Local modem in connect state, normal mode, break received at modem port, break sent to serial port: » \K5, \K4 Non-destructive/non-expedited handling of buffered \K0, \K1 data. \K2, \K3 Destructive/expedited handling of buffered data. Non-destructive/expedited handling of buffered data. \N - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT M3 \Nn D5555555 Description Selects the error-correction mode. Command Function » \N3 V.42 auto-reliable mode enabled. \N0 Normal mode enabled. \N1 Direct mode enabled. \N2 MNP reliable mode enabled. \N4 V.42 reliable mode enabled. \N5 LAPM to normal mode enabled. \O - PROPRIETARY COMMAND Type: Immediate Format: AT [cmds] \O Example: AT \O Description Commands the modem to originate a RELIABLE link. \Q - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Qn [cmds] Example: AT M3 \Qn D5555555 Description Selects options for serial port flow control. Command Function » \Q3 Bi-directional hardware flow control enabled. \Q0 Flow control disabled. \Q1 Bi-directional XON/XOFF flow control enabled. \Q2 One-way hardware flow control enabled. \T - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Tn [cmds] Example: AT M3 \Tn D5555555 Description Sets the limit for the inactivity time-out function in minutes, Command Function » \T0 Inactivity time-out function disabled. \T(1 to 90) Sets the time limit (in minutes) at which the inactivity time-out function is enabled. \U - PROPRIETARY COMMAND Type: Immediate Format: AT [cmds] \U Example: AT \U Description Commands the modem to grant an auto-reliable link request. \V - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Vn [cmds] Example: AT M3 \Vn D5555555 Description Enables/disables modified result codes. Command Function » \V0 Normal result code format. \V1 Append "/ARQ" to verbose CONNECT result codes during an error-control connection. \X - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT M3 \Xn D5555555 Description Selects the XON/XOFF pass-through mode. \X - PROPRIETARY COMMAND Command Function » \X0 Process flow control characters only. \X1 Process flow control characters, then pass-through to the local or remote modem. \Y - PROPRIETARY COMMAND Type: Immediate Format: AT [cmds] \Y Example: AT \Y Description Commands the modem to go into the RELIABLE mode. \Z - PROPRIETARY COMMAND Type: Immediate Format: AT [cmds] \Z Example: AT \Z Description Commands the modem to go into the NORMAL mode. -C - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] -Cn [cmds] Example: AT M3 -Cn D5555555 Description Enables/disables calling tone in data mode. Command Function » -C0 Calling tone disabled. -C1 Calling tone enabled. -J - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] -Jn [cmds] Example: AT M3 -Jn D5555555 Description Enables/disables the V.42 detect phase. Command Function » -J1 V.42 detect phase enabled. -J0 V.42 detect phase disabled. -V - PROPRIETARY COMMAND Type: Immediate Format: AT [cmds] -V Example: AT -V Description Commands the modem to display the firmware version. "H - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] "Hn [cmds] Example: AT M3 "Hn D5555555 Description Selects options for V.42bis data compression. Command Function » "H3 V.42bis enabled for both transmission and reception of data. "H0 V.42bis disabled. "H1 V.42bis enabled for transmission of data only. "H2 V.42bis enabled for reception of data only. "O - PROPRIETARY COMMAND Type: Configuration Format: AT [cmds] "On [cmds] Example: AT M3 "On D5555555 Description Sets the limit to the number of characters in the V.42bis character string. The limit can include any number from 6 to 250 characters. The default is 32. S14 - PROPRIETARY BIT-MAPPED REGISTER Value Range: Bit-mapped Default: 170 Type: Read/Write In Stored Profile?: Yes Description: Bit-mapped configuration register. Bit Value Function 0 » 0 Not used 1 » 1 Off-line echo enabled (E1). 0 Off-line echo disabled (E0). 2 » 0 Result codes enabled (Q0). 1 Result codes disabled (Q1). 3 » 1 Verbose result codes enabled (V1). 0 Numeric result codes enabled (V0). 4 » 0 Dumb mode disabled. 1 Dumb mode enabled. 5 » 1 Pulse dialing enabled (P). 0 Tone dialing enabled (T). 6 » 0 Not used. 7 » 1 Originate mode enabled. 0 Answer enabled. S21 - PROPRIETARY BIT-MAPPED REGISTER Value Range: Bit-mapped Default: 48 Type: Read/Write In Stored Profile?: Yes Description: Bit-mapped configuration register. Bit Value Function 0 » 0 Not used. 1 » 0 Not used. 2 » 0 CTS signal follows RTS signal (&R0). 1 CTS signal follows DCD signal (&R1). 4,3 » 10 Modem hangs up when a DTR signal is detected (&D2). 00 Modem ignores DTR signal (&D0). 01 Modem switches to command mode when a DTR 11 signal is detected (&D1). Modem resets to defaults when a DTR signal is detected (&D3). 5 » 1 DCD enabled when a carrier signal is detected, disabled when carrier signal is 0 lost (&C1). DCD enabled (&C0). 6 » 0 DSR enabled (&S0). 1 DSR enabled at handshake initiation and disabled at hang-up initiation (&S1). 7 » 0 Long-space disconnect function disabled (Y0). 1 Long-space disconnect function enabled (Y1). S22 - PROPRIETARY BIT-MAPPED REGISTER Value Range: Bit-mapped Default: 118 Type: Read/Write In Stored Profile?: Yes Description: Bit-mapped configuration register. Bit Value Function 1,0 » 10 Speaker set to medium volume (L2). 00 Not used. 01 Speaker set to low volume (L1 or L0). 11 Speaker set to high volume (L3). S22 - PROPRIETARY BIT-MAPPED REGISTER Bit Value Function 3,2 » 01 Speaker enabled while dialing, enabled until carrier signal is detected, then disabled 00 (M1). 10 Speaker disabled (M0). 11 Speaker enabled (M2). Speaker disabled while dialing, enabled until carrier signal is detected, then disabled (M3). 6,5,4 » 111 Full result codes, dial tone wait, and busy tone detect enabled (X4). 000 Basic result codes enabled, blind dialing only 001 (X0). 010 Not used. 011 Not used. 100 Not used. 101 Full result codes enabled, blind dialing only (X1). 110 Full result codes and dial tone wait enabled (X2). Full result codes enabled, blind dialing only, busy tone detect enabled (X3). 7 » 0 39/61 make/break ratio enabled (&P0). 1 33/67 make/break ratio enabled (&P1). S23 - PROPRIETARY BIT-MAPPED REGISTER Value Range: Bit-mapped Default: 15 Type: Read/Write In Stored Profile?: Yes Description: Bit-mapped configuration register. Bit Value Function 0 » 1 Grant remote loopback request (&T4). 0 Ignore remote loopback request (&T5). 3,2,1 » 111 38.4Kbps or 57.6Kbps data rate enabled. 000 0 - 600bps data rate enabled. 010 2400bps data rate enabled. 011 4800bps data rate enabled. 100 7200bps data rate enabled. 101 9600bps or 14.4Kbps data rate enabled. 110 19.2Kbps data rate enabled. 5,4 » 00 Even parity enabled. 01 Space parity enabled. 10 Odd parity enabled. 11 Parity disabled. 7,6 » 00 Guard tone disabled (&G0). 01 550Hz guard tone enabled (&G1). 10 1800Hz guard tone enabled (&G2). 11 Not used. S27 - PROPRIETARY BIT-MAPPED REGISTER Value Range: Bit-mapped Default: 0 Type: Read/Write In Stored Profile?: Yes Description: Bit-mapped configuration register. Bit Value Function 1,0 » 00 Asynchronous mode enabled (&Q0). 01 Synchronous connect mode and asynchronous off-line command mode enabled (&Q1). 10 Synchronous connect mode and asynchronous 11 off-line command mode enabled (&Q1). Synchronous mode enabled. 2 » 0 Switched network line mode enabled (&L0). 1 Leased-line mode enabled (&L1). 3 » 0 Not used. 5,4 » 00 Transmit clock generated by the modem (&X0). 01 DTE generates clock (&X1). 10 Modem generates clock from the receive 11 carrier signal (&X2). Not used. 6 » 0 CCITT V.22 protocol enabled (B0). 1 Bell 212A protocol enabled (B1). 7 » 0 Not used.