PRACTICAL PERIPHERALS, INC. =========================== PM144HC II (VER. 2) Card Type Modem (asynchronous) Chipset Unidentified Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus 8-bit ISA Fax Class Class I & II Data Modulation Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis Fax Modulation V.17, V.27ter, V.29 Error MNP5, V.42bis Correction/Compression +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |----------------------+-------+---------------------+-------| | Line in/out | CN1 | Line in/out | CN2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS SELECTION | |------------------------------------------------------------| | Setting | JP1 | |----------------------------+-------------------------------| | 3F8h (COM1:) | Pins 1 & 2, 7 & 8 closed | |----------------------------+-------------------------------| | 2F8h (COM2:) | Pins 1 & 2, 8 & 9 closed | |----------------------------+-------------------------------| | 3E8h (COM3:) | Pins 2 & 3, 7 & 8 closed | |----------------------------+-------------------------------| | 2E8h (COM4:) | Pins 2 & 3, 8 & 9 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | Setting | JP1 | |----------------------------+-------------------------------| | IRQ2 | Pins 10 & 11 closed | |----------------------------+-------------------------------| | IRQ3 | Pins 11 & 12 closed | |----------------------------+-------------------------------| | IRQ4 | Pins 5 & 6 closed | |----------------------------+-------------------------------| | IRQ5 | Pins 4 & 5 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED STANDARD COMMANDS | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | +++, 'comma', A/ | |------------------------------------------------------------| | A, D, E, H, L, M, N, Q, V, W, X, Y, Z | |------------------------------------------------------------| | &D, &F, &K, &V, &W, &Y, &Z | |------------------------------------------------------------| | S-Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S18, S25, S30, S36, S38, S46, S48, S82 | |------------------------------------------------------------| | S86, S95, S108, S109, S110 | |------------------------------------------------------------| | Note: See MHI documentation for complete information. | +------------------------------------------------------------+ +------------------------------------------------------------+ | UNIDENTIFIED COMMANDS | |------------------------------------------------------------| | Command | Default | |------------------------------+-----------------------------| | S37 | 0 | |------------------------------+-----------------------------| | S43 | 0 | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | AUTO-ANSWER MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &An [cmds] | |--------------+---------------------------------------------| | Description: | Sets the mode the modem will operate in on | | | auto-answer. | |------------------------------------------------------------| | Command | Function | |-----------------+------------------------------------------| | i &A0 | Modem auto-answers in answer mode. | |-----------------+------------------------------------------| | &A1 | Modem auto-answers in originate mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will | | | automatically perform a retrain sequence | | | when line conditions change. | |------------------------------------------------------------| | Command | Function | |-----------------------+------------------------------------| | &B0 | Auto-retrain disabled. | |-----------------------+------------------------------------| | i &B1 | Auto-retrain enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CD SIGNAL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Cn [cmds] | |--------------+---------------------------------------------| | Description: | Controls the behaviour of the CD signal. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &C0 | CD forced high. | |--------------+---------------------------------------------| | &C1 | CD forced high after carrier signal is | | | detected. | |--------------+---------------------------------------------| | &C2 | CD forced high except during disconnect. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the communications mode the modem | | | will use. | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | &Q0 | Asynchronous direct mode. | |--------------+---------------------------------------------| | i &Q5 | Asynchronous V.42 reliable mode. | |--------------+---------------------------------------------| | &Q6 | Buffered asynchronous mode. | |--------------+---------------------------------------------| | &Q8 | Asynchronous MNP reliable mode. | |--------------+---------------------------------------------| | &Q9 | Asynchronous V.42bis only mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISPLAY INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested about the | | | modem. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Displays product identification code. | |--------------+---------------------------------------------| | I1 | Displays ROM checksum. | |--------------+---------------------------------------------| | I2 | Tests and reports ROM checksum. | |--------------+---------------------------------------------| | I3 | Displays firmware revision. | |--------------+---------------------------------------------| | I4 | Displays feature bitmap. | +------------------------------------------------------------+ +------------------------------------------------------------+ | EXTENDED RING | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S101=n [cmds] | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | Bit-mapped | |--------------+---------------------------------------------| | Description: | Selects which extended ring types the modem | | | will respond to. | |--------------+---------------------------------------------| | Bit | Value | Function | |------+-------+---------------------------------------------| | 0 | i 0 | Do not respond to ring type A. | | | | | | | 1 | Respond to ring type A. | |------+-------+---------------------------------------------| | 1 | i 0 | Do not respond to ring type B. | | | | | | | 1 | Respond to ring type B. | |------+-------+---------------------------------------------| | 2 | i 0 | Do not respond to ring type C. | | | | | | | 1 | Respond to ring type C. | |------+-------+---------------------------------------------| | 3 | i 0 | Do not respond to ring type D. | | | | | | | 1 | Respond to ring type D. | |------+-------+---------------------------------------------| | 4 | i 0 | Do not respond to ring type E. | | | | | | | 1 | Respond to ring type E. | |------+-------+---------------------------------------------| | 5 | i 0 | Do not respond to ring type F. | | | | | | | 1 | Respond to ring type F. | |------+-------+---------------------------------------------| | 6 | i 0 | Do not respond to ring type G. | | | | | | | 1 | Respond to ring type G. | |------+-------+---------------------------------------------| | 7 | i 0 | Report RING for all ring types. | | | | | | | 1 | Report RING n where n is the ring type. | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-LINE | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] On | |--------------+---------------------------------------------| | Description: | Instructs the modem to return to on-line | | | state. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | O0 | Return to on-line state. | |--------------+---------------------------------------------| | O1 | Return to on-line state and initiate | | | retrain sequence. | |--------------+---------------------------------------------| | O3 | Return to on-line state and initiate | | | renegotiation sequence. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Bn [cmds] | |--------------+---------------------------------------------| | Description: | Selects the communication protocol for | | | low-speed data calls. | |--------------+---------------------------------------------| | Command | Protocol | |--------------+---------------------------------------------| | B0 | Modem will use ITU-T V.22 at 1200bps. | |--------------+---------------------------------------------| | i B1 | Modem will use Bell 212A at 1200bps. | |--------------+---------------------------------------------| | B2 | Modem will use ITU-T V.23 at receive | | | 1200/transmit 75bps. | |--------------+---------------------------------------------| | B3 | Modem will use ITU-T V.23 at receive | | | 75/transmit 1200bps. | |--------------+---------------------------------------------| | B15 | Modem will use ITU-T V.21 at 300bps. | |--------------+---------------------------------------------| | i B16 | Modem will use Bell 103A at 300bps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRELLIS CODING | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Un [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the modem will use trellis | | | coding. | |------------------------------------------------------------| | Command | Function | |-----------------------+------------------------------------| | i &U0 | Trellis coding enabled. | |-----------------------+------------------------------------| | &U1 | Trellis coding disabled. | +------------------------------------------------------------+