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 Protocol |
Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis |
|
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 |
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 |
|
í 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 |
|
í &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 |
|
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 |
|
DIAL UP MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Ln [cmds] |
|
Description: |
Sets the dial up mode |
|
Command |
Line Type |
|
í &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 |
|
í &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 |
|
í &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 |
|
í &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 |
|
í 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 |
|
í &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 |
|
í 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 |