PRACTICAL PERIPHERALS, INC. =========================== PC PCMCIA 144, PC PCMCIA 144 EZ-PORT Card Type Modem (asynchronous) Chip Set Unidentified Maximum Modem Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103/212A Protocol ITU-T V.21, V.22, V.22bis, V.32, V.32bis Fax Modulation ITU-T V.17, V.27ter, V.29 Protocol Error MNP5, V.42, V.42bis Correction/Compression Fax Class Class I & II Data Bus PCMCIA 54796 +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, D, E, F, H, M, V, W, X, Y, Z | |------------------------------------------------------------| | &A, &V, &W, &Y, &Z | |------------------------------------------------------------| | S Registers | |------------------------------------------------------------| | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, | | S18, S25, S30, S36, S37, | |------------------------------------------------------------| | S38, S46, S48, S82, S86, S95, S99, S108, S109, S110, 201 | |------------------------------------------------------------| | 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 | Originate or answer: handshake only at | | | speed in S37 | |--------------+---------------------------------------------| | i N1 | Negotiate highest common speed starting in | | | S37 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CODE MODULATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Un | |--------------+---------------------------------------------| | Description: | Control trellis code modulation | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &U0 | Trellis coding enabled | |--------------+---------------------------------------------| | &U1 | Trellis coding disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode options | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | i &Q0 | Asynchronous mode | |--------------+---------------------------------------------| | &Q4 | Auto-synchronous mode | |--------------+---------------------------------------------| | &Q5 | Error correction mode | |--------------+---------------------------------------------| | &Q6 | Buffered asynchronous mode | |--------------+---------------------------------------------| | &Q8 | MNP mode | |--------------+---------------------------------------------| | &Q9 | V.42bis data compression enabled, MNP5 | | | disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 300 or 1200bps | |--------------+---------------------------------------------| | B1 | Bell 212A at 300 or 1200bps | |--------------+---------------------------------------------| | B15 | ITU-T V.21 at 300bps | |--------------+---------------------------------------------| | B16 | Bell 103 at 300bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA CARRIER DETECT (DCD) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Cn [cmds] | |--------------+---------------------------------------------| | Description: | Selects whether the DCD option is enabled | | | or disabled | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &C0 | DCD enabled | |--------------+---------------------------------------------| | &C1 | DCD enabled after carrier signal detected | |--------------+---------------------------------------------| | &C2 | DCD 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 | |---------------+--------------------------------------------| | i &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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAL UP MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Ln [cmds] | |--------------+---------------------------------------------| | Description: | Sets the dial up mode | |--------------+---------------------------------------------| | Command | Line Type | |--------------+---------------------------------------------| | i &L0 | Select dial up mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | DATA SET READY (DSR) | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Sn [cmds] | |--------------+---------------------------------------------| | Description: | Selects DSR options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &S0 | DSR forced high | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY DEFAULT PROFILE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &F [cmds] | |--------------+---------------------------------------------| | Description: | Sets values in active profile to values | | | found in the default profile | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &F0 | Hays-compatible settings | |--------------+---------------------------------------------| | &F1 | IBM-compatible settings | |--------------+---------------------------------------------| | &F2 | Macintosh software handshake settings | |--------------+---------------------------------------------| | &F3 | Macintosh hardware handshake settings | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | i &K3 | RTS/CTS flow control enabled | |--------------+---------------------------------------------| | &K4 | XON/XOFF flow control 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 | |--------------+---------------------------------------------| | i &G0 | Guard tone disabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | HELP | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] $Hn [cmds] | |--------------+---------------------------------------------| | Description: | Displays the help templates for the $ | | | 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 | |--------------+---------------------------------------------| | O3 | On-line command mode with rate negotiation | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT INFORMATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] In [cmds] | |--------------+---------------------------------------------| | Description: | Displays information requested | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | I0 | Reports modem product code | |--------------+---------------------------------------------| | I1 | Reports ROM checksum | |--------------+---------------------------------------------| | I2 | Reports OK or ERROR | |--------------+---------------------------------------------| | I3 | Reports modem firmware revision number | |--------------+---------------------------------------------| | I4 | Reports a number series representing | | | feature bit map | |--------------+---------------------------------------------| | I6 | Reports data connection information | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESULT CODES | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Qn [cmds] | |--------------+---------------------------------------------| | Description: | Enables modem to send result codes to the | | | DTE | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i Q0 | Result code sending enabled | |--------------+---------------------------------------------| | Q1 | Result code sending disabled | |--------------+---------------------------------------------| | Q2 | Result code sending in originate mode only | +------------------------------------------------------------+ +------------------------------------------------------------+ | SPEAKER VOLUME | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] Ln [cmds] | |--------------+---------------------------------------------| | Description: | Command is included for compatibility only, | | | it performs no function. | +------------------------------------------------------------+ +------------------------------------------------------------+ | V.32 - AUTO-RETRAIN | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Bn [cmds] | |--------------+---------------------------------------------| | Description: | Controls auto-retrain function if poor line | | | quality is detected | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i &B0 | Auto-retrain disabled modem hangs-up | |--------------+---------------------------------------------| | &B1 | Auto-retrain enabled if line quality is | | | poor | |--------------+---------------------------------------------| | &B2 | Auto-retrain enabled disconnect if no line | | | improvement over period indicated in S7 | +------------------------------------------------------------+ S(status) -REGISTERS +------------------------------------------------------------+ | DCE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S43=n [cmds] | |--------------+---------------------------------------------| | Description: | Displays the current DCE speed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DCE LINE SPEED | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S37=n [cmds] | |--------------+---------------------------------------------| | Description: | Sets the maximum allowable data exchange | | | rate attempted during handshake process. | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | i S37=0 | Speed of last connection | |--------------+---------------------------------------------| | S37=1 | 75bps | |--------------+---------------------------------------------| | S37=2 | 110bps | |--------------+---------------------------------------------| | S37=3 | 300bps | |--------------+---------------------------------------------| | S37=4 | 600bps | |--------------+---------------------------------------------| | S37=5 | 1200bps | |--------------+---------------------------------------------| | S37=6 | 2400bps | |--------------+---------------------------------------------| | S37=7 | 4800bps | |--------------+---------------------------------------------| | S37=8 | 7200bps | |--------------+---------------------------------------------| | S37=9 | 9600bps | |--------------+---------------------------------------------| | S37=10 | 12.0Kbps | |--------------+---------------------------------------------| | S37=11 | 14.4Kbps | +------------------------------------------------------------+ +------------------------------------------------------------+ | CIRCUIT CARRIER LEVEL | |------------------------------------------------------------| | Type: | Register | |------------------------------------------------------------| | Format: | AT [cmds] S63=n [cmds] | |--------------+---------------------------------------------| | Range: | 0-15dBm | |--------------+---------------------------------------------| | Description: | Private circuit carrier level selection | +------------------------------------------------------------+ +------------------------------------------------------------+ | AUTOMODE AND PROBE TIMING | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S97=n [cmds] | |--------------+---------------------------------------------| | Default: | 30 | |--------------+---------------------------------------------| | Range: | 15-70 | |--------------+---------------------------------------------| | Unit: | 0.1 seconds | |--------------+---------------------------------------------| | Description: | V.32 Automode. V.22/V.22bis Probe Timing | +------------------------------------------------------------+ +------------------------------------------------------------+ | DISTINCTIVE RING | |------------------------------------------------------------| | Type: | bit map | |--------------+---------------------------------------------| | Format: | AT [cmds] S101=n [cmds] | |--------------+---------------------------------------------| | Default: | 00 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | bit map | |--------------+---------------------------------------------| | Description: | Selects distinctive ring setting | +------------------------------------------------------------+ +------------------------------------------------------------+ | PACKET SIZE | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format | AT [cmds] S136=n [cmds] | |--------------+---------------------------------------------| | Default: | 1 | |--------------+---------------------------------------------| | Range: | 0-2 | |--------------+---------------------------------------------| | Description: | Selects LAPM packet size | +------------------------------------------------------------+