PRACTICAL PERIPHERALS, INC. =========================== PC288LCD V.FAST, MC288LCD V.FAST Card Type Modem (asynchronous) Chip Set Unidentified Maximum Modem Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Modulation Bell 103/212A Protocol ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.Fast 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 External 54793 +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-----+--------------+----------+----------------------------| | AA | Unidentified | On | Auto-answer enabled | |-----+--------------+----------+----------------------------| | AA | Unidentified | Off | Auto-answer disabled | |-----+--------------+----------+----------------------------| | AA | Unidentified | Blinking | Phone is ringing | |-----+--------------+----------+----------------------------| | RX | Unidentified | On | Modem is receiving data | |-----+--------------+----------+----------------------------| | RX | Unidentified | Off | Modem is not receiving | | | | | data | |-----+--------------+----------+----------------------------| | TX | Unidentified | On | Modem is transmitting data | |-----+--------------+----------+----------------------------| | TX | Unidentified | Off | Modem is not transmitting | | | | | data | |-----+--------------+----------+----------------------------| | CD | Unidentified | On | Carrier signal detected | |-----+--------------+----------+----------------------------| | CD | Unidentified | Off | Carrier signal not | | | | | detected | |-----+--------------+----------+----------------------------| | OH | Unidentified | On | Modem is off-hook | |-----+--------------+----------+----------------------------| | OH | Unidentified | Off | Modem is on-hook | |-----+--------------+----------+----------------------------| | RS | Unidentified | On | Modem is ready to send | | | | | data | |-----+--------------+----------+----------------------------| | RS | Unidentified | Off | Modem is not ready to send | | | | | data | |-----+--------------+----------+----------------------------| | TR | Unidentified | On | DTR signal is high | |-----+--------------+----------+----------------------------| | TR | Unidentified | Off | DTR signal is low | |-----+--------------+----------+----------------------------| | EC | Unidentified | On | Error correction enabled | |-----+--------------+----------+----------------------------| | EC | Unidentified | Off | Error correction disabled | |-----+--------------+----------+----------------------------| | CS | Unidentified | On | Modem is clear to send | | | | | data | |-----+--------------+----------+----------------------------| | CS | Unidentified | Off | Modem is not clear to send | | | | | data | |-----+--------------+----------+----------------------------| | MR | Unidentified | On | Power is on | |-----+--------------+----------+----------------------------| | MR | Unidentified | Off | Power is off | +------------------------------------------------------------+ +------------------------------------------------------------+ | SUPPORTED COMMAND SET | |------------------------------------------------------------| | Basic AT Commands | |------------------------------------------------------------| | AT, '+++', A/ | |------------------------------------------------------------| | A, D, E, H, M, V, W, X, Y, Z | |------------------------------------------------------------| | &A, &G, &S, &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, 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 | |--------------+---------------------------------------------| | i 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | 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 | |--------------+---------------------------------------------| | i &M0 | Asynchronous mode | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMMUNICATIONS MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] &Qn [cmds] | |--------------+---------------------------------------------| | Description: | Selects communications mode options | |--------------+---------------------------------------------| | Command | Mode | |--------------+---------------------------------------------| | i &Q0 | Asynchronous mode, serial port speed | | | follows connect speed. | |--------------+---------------------------------------------| | &Q1 | Synchronous mode 1 | |--------------+---------------------------------------------| | &Q2 | Synchronous mode 2 | |--------------+---------------------------------------------| | &Q3 | Synchronous mode 3 | |--------------+---------------------------------------------| | &Q4 | 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 | |--------------+---------------------------------------------| | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | Restore factory default Hayes-compatible | | | parameters | |--------------+---------------------------------------------| | &F1 | Restore factory default IBM-compatible | | | parameters | |--------------+---------------------------------------------| | &F2 | Restore factory default Macintosh software | | | handshake parameters | |--------------+---------------------------------------------| | &F3 | Restore factory default Macintosh hardware | | | handshake parameters | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | &K5 | Transparent XON/XOFF flow control enabled | |--------------+---------------------------------------------| | &K6 | XON/XOFF flow control with pass through | | | enabled | |--------------+---------------------------------------------| | &K7 | RTS/CTS flow control with XON/XOFF enabled | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 with 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 | Performs a ROM checksum, reports 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 | |--------------+---------------------------------------------| | i 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 | |--------------+---------------------------------------------| | i L2 | Medium volume setting | |--------------+---------------------------------------------| | L3 | Highest volume setting | +------------------------------------------------------------+ +------------------------------------------------------------+ | TEST MODES | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &Tn | |--------------+---------------------------------------------| | Description: | Selects test options | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &T0 | End current test | |--------------+---------------------------------------------| | &T1 | Begin local analog loopback test | |--------------+---------------------------------------------| | &T3 | Begin local digital loopback | |--------------+---------------------------------------------| | &T4 | Grant remote digital loopback request | |--------------+---------------------------------------------| | &T5 | Deny remote digital loopback request | |--------------+---------------------------------------------| | &T6 | Request remote digital loopback | |--------------+---------------------------------------------| | &T7 | Request remote digital loopback and | | | self-test | |--------------+---------------------------------------------| | &T8 | Begin local analog loopback and self-test | |--------------+---------------------------------------------| | &T19 | Perform RTS/CTS cable test | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRELLIS CODE MODULATION | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] &U [cmds] | |--------------+---------------------------------------------| | Description: | Controls trellis encoding | |--------------+---------------------------------------------| | Command | Function | |--------------+---------------------------------------------| | &U0 | Enables trellis encoding | |--------------+---------------------------------------------| | &U1 | Disables trellis encoding | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 line | | | quality is poor | +------------------------------------------------------------+ S(status) -REGISTERS +------------------------------------------------------------+ | 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 | |--------------+---------------------------------------------| | Unit: | -dBm | |--------------+---------------------------------------------| | Description: | Controls the carrier power level in dBm for | | | leased line operation. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROBE TIMING | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S97=n [cmds] | |--------------+---------------------------------------------| | 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-mapped | |--------------+---------------------------------------------| | Description: | Sets the distinctive ring setting |