PRACTICAL PERIPHERALS, INC. PM14400FX V.32bis Card Type Modem (asynchronous) Chip Set Unidentified Maximum Modem Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol Bell 103/212A ITU-T V.22, V.22bis, V.32, V.32bis Fax Modulation Protocol ITU-T V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class I Data Bus Unidentified [Image] CONNECTIONS Function Label Function Label Line in CN1 Line out CN2 SERIAL PORT ADDRESS Setting SW1/1 SW1/2 COM1 (3F8h) On On COM2 (2F8h) On Off COM3 (3E8h) Off On COM4 (2E8h) Off Off SUPPORTED COMMAND SET Basic AT Commands AT, ‘+++’, A/ A, D, E, H, M, V, W, X, Y, Z &A, &B, &F, &L, &R, &S, &T, &V, &W, &Y, &Z S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S30, S36, S37, S38, S46, S48, S82, S86, S95, S108, S109, S110 Note: See MHI Help File for full command documentation. Proprietary AT Command Set AUTO-MODE DETECTION Type: Configuration Format: AT [cmds] Nn [cmds] Description: Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed. Command Function N0 Auto-mode detection disabled N1 In originate mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary. In answer mode, handshake attempted with the following protocols in order - V.FC, V.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103 CLOCK SOURCE - SYNCHRONOUS TRANSMIT Type: Configuration Format: AT [cmds] &Xn [cmds] Description: Selects DTE transmit clock source Command Function &X2 Modem generates clock from the receive carrier signal COMMUNICATION PROTOCOLS Type: Configuration Format: AT [cmds] Bn [cmds] Description: Selects the communication protocol for data calls Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols. Command Protocol B0 ITU-T V.22 at 1200bps B1 Bell 212A at 300 or 1200bps B2 ITU-T V.23 at 75/1200bps B3 ITU-T V.23 at 1200/75bps B15 ITU-T V.21 at 300bps B16 Bell 103 at 300bps COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Mn [cmds] Description: Selects communications mode Command Mode &M0 Asynchronous mode COMMUNICATIONS MODE Type: Configuration Format: AT [cmds] &Qn [cmds] Description: Selects communications mode options Command Mode &Q0 Asynchronous mode, serial port speed follows connect speed. &Q1 Synchronous mode 1 &Q2 Synchronous mode 2 &Q3 Synchronous mode 3 &Q3 Hayes AutoSync mode &Q5 Error correction mode &Q6 Buffered asynchronous mode &Q8 MNP operational mode &Q9 Conditional data compression DATA CARRIER DETECT (DCD) Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Selects whether the DCD option is enabled or disabled Command Function &C0 DCD enabled &C1 DCD enabled after carrier signal detected &C2 DCD signal on except during disconnect DATA TERMINAL READY (DTR) Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Selects modem response to DTR Note: The action each variant of &D causes depends on the setting of &Q Command Function &D0 Modem does not respond to DTR &D1 Modem goes to command mode after DTR goes is off &D2 Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. &D3 Modem is initialized after DTR goes off FLOW CONTROL Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Enables flow control options Command Function &K0 Flow control disabled &K1 RTS to CTS flow control enabled &K2 XON/XOFF flow control enabled &K3 RTS/CTS flow control enabled &K4 XON/XOFF flow control enabled &K5 Transparent XON/XOFF flow control enabled &K6 RTS/CTS flow control with pass through enabled &K7 RTS/CTS flow control with XON/XOFF DCE to DCE enabled GUARD TONE Type: Configuration Format: AT [cmds] &Gn [cmds] Description: Commands the modem to transmit a guard tone in V.22/V.22bis Note: Used primarily for international data transmission Command Function &G0 Guard tone disabled HELP Type: Immediate Format: AT [cmds] $H Description: Accesses summary of the modem’s commands ON-LINE Type: Immediate Format: AT [cmds] On [cmds] Description: Controls on-line command (data transmission) state options. Note: The O command must be placed at the end of the command string. Command Function O0 On-line command mode with no retraining enabled O1 On-line command mode with retraining enabled O2 On-line command mode and initiate rate negotiation REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports modem model and speed I1 Reports ROM checksum I2 Perform ROM checksum, returns OK or ERROR I3 Reports firmware revision number I4 Reports modem feature availability I6 Reports link statistics RESULT CODES Type: Configuration Format: AT [cmds] Qn [cmds] Description: Enables modem to send result codes to the DTE Command Function Q0 Result code sending enabled Q1 Result code sending disabled Q2 Modem returns result codes when originating a call, but does not return result codes from the answer mode. SPEAKER VOLUME Type: Configuration Format: AT [cmds] Ln [cmds] Description: Controls speaker volume Command Function L0 Low volume setting L1 Low volume setting L2 Medium volume setting L3 Highest volume setting TRELLIS CODE MODULATION Type: Immediate Format: AT [cmds] &U [cmds] Description: Controls trellis encoding Command Function &U0 Enables trellis encoding &U1 Disables trellis encoding S(status) -REGISTERS BUFFER LOWER LIMIT Type: Register Format: AT [cmds] S49=n [cmds] Range: 1-249 Default: 64 Unit: bytes Description: Sets the lower limit of the buffer BUFFER UPPER LIMIT Type: Register Format: AT [cmds] S50=n [cmds] Range: 2-250 Default: bytes Unit: 220 Description: Sets the upper limit of the buffer DCE SPEED Type: Register Format AT [cmds] S43? [cmds] Description: Displays the DCE speed of the current connection PACKET SIZE Type: Register Format AT [cmds] S136=n [cmds] Range: 0-2 Unit: frame size Description: Designates the LAP-M packet size PRIVATE CIRCUIT CARRIER LEVEL Type: Register Format AT [cmds] S63=n [cmds] Range: 0-15 Units: -dBm Description: Controls the carrier power level in dBm for leased line operation. PROBE TIMING Type: Register Format: AT [cmds] S97=n [cmds] Range: 15-70 Unit: 0.1 sec Description: Sets the duration of the signal used by the modem in answer mode during a V.32 automode handshake to determine if the calling modem is a V.22 or V.22bis type modem RING SETTINGS Type: Register Format: AT [cmds] S101=n [cmds] Range: 0-255 Unit: bit map Description: Sets the distinctive ring setting