PRACTICAL PERIPHERALS, INC.
PC PCMCIA 288, PC PCMCIA 288 EZ-PORT
|
Card Type |
Modem (asynchronous) |
|
Chip Set |
Unidentified |
|
Maximum Modem Rate |
28.8Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Modulation Protocol |
Bell 103/212A ITU-T V.34, V.32bis, V.32, V.22bis, V.22, V.21, V.FC |
|
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
|
Fax Class |
Class I & II |
|
Data Bus |
PCMCIA |
54792
|
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 |
|
í 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 |
|
í &M0 |
Asynchronous mode |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Qn [cmds] |
|
Description: |
Selects communications mode options |
|
Command |
Mode |
|
í &Q0 |
Asynchronous mode, serial port speed follows connect speed. |
|
&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 |
|
í &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 |
|
í &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 |
|
í &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 |
|
&K3 |
RTS/CTS flow control enabled |
|
&K4 |
XON/XOFF flow control enabled |
|
HELP | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] $H |
|
Description: |
Accesses summary of the modems 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 |
|
í 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: |
Command is included for compatibility only. It performs no function |
|
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 |
|
í &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 |