MAXTECH CORPORATION
PCM228A (ATTHSM288/PCM288A)
|
Card Type |
Modem/Fax card |
|
Chip Set |
Unidentified |
|
Maximum Modem Rate |
28.8Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Modulation Protocol |
Bell 103/212A ITU-T V.22bis, V.22, V.23, V.32, V.32terbo, V.32bis, V.34 |
|
Fax Modulation Protocol |
ITU-T V.27ter, V.29, V.21 |
|
Error Correction/Compression |
MNP5, V.42bis |
|
Fax Class |
Class I |
|
Data Bus |
PCMCIA |
54705
|
SUPPORTED COMMAND SET |
|
Basic AT Commands |
|
AT, +++, A/ |
|
A, E, H, M, P, Q, T, V, W, X, Y, Z |
|
&C, &F, &G, &T, &V, &W, &Y, &Z |
|
Extended AT Commands |
|
\A, \B, \C, \G, \J, \K, \V, \X |
|
%A, %G |
|
"O, "H |
|
-J |
|
S Registers |
|
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25 |
|
S26, S27, S30, S37, S40, S46 |
|
|
|
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 |
Auto-mode detection enabled |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Mn [cmds] |
|
Description: |
Selects communications mode |
|
Command |
Mode |
|
&M0 |
Asynchronous mode |
|
&M4 |
Hayes auto-synchronous mode |
|
COMMUNICATIONS MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Qn [cmds] |
|
Description: |
Selects communications mode options |
|
Command |
Mode |
|
&Q0 |
Asynchronous mode, serial port speed follows connect speed. |
|
&Q4 |
Auto-synchronous mode |
|
COMMUNICATION PROTOCOLS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Bn [cmds] |
|
Description: |
Selects the communication protocol for data calls |
|
Command |
Protocol |
|
B0 |
CCITT mode |
|
í B1 |
Bell mode |
|
B2 |
ITU-T V.23 originate mode; 75bps transmit, 1200bps receive |
|
B3 |
ITU-T V.23 originate mode; 1200bps transmit, 75bps receive |
|
DATA SET READY (DSR) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Sn [cmds] |
|
Description: |
Selects DSR options |
|
Command |
Function |
|
&S0 |
DSR forced high |
|
&S1 |
DSR high only while modem is handshaking or connected |
|
DATA TERMINAL READY (DTR) | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Dn [cmds] |
|
Description: |
Selects modem response to DTR |
|
Command |
Function |
|
&D0 |
DTR override |
|
&D1 |
DTR toggle causes online command mode |
|
í &D2 |
Normal DTR operations |
|
&D3 |
Resets on receipt of DTR |
|
DIAL | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] D<#> [cmds] |
|
Description: |
Dials telephone number according to any modifiers included in the string |
|
Note: |
Any combination of modifiers can be used to produce the desired dial functions in sequence. |
|
Command |
Function |
|
DP |
Pulse dialing enabled |
|
DR |
Answer mode enabled; originate mode disabled following handshake initiation. |
|
DS=n |
Dial stored telephone number n |
|
DT |
Tone dialing enabled/Pulse dialing disabled |
|
DW |
Dialing resumed following dial tone detection |
|
D, |
Dialing paused for amount of time specified in S8 register |
|
D! |
Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. |
|
D@ |
Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by 5 seconds of silence |
|
D; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
|
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 |
|
LINE TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Ln [cmds] |
|
Description: |
Selects line type |
|
Command |
Line Type |
|
&L0 |
Switched line (PSTN/Dial-up) |
|
ON-LINE | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] On [cmds] |
|
Description: |
Controls on-line command (data transmission) state options. |
|
Command |
Function |
|
O0 |
On-line command mode with no retraining enabled |
|
O1 |
On-line command mode with retraining enabled |
|
O3-O13 |
On-line command mode with new user defined rate as specified by register S62 |
|
PULSE DIALING RATIO | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Pn [cmds] |
|
Description: |
Selects pulse dial make/break ratio |
|
Command |
Function |
|
&P0 |
39/61ms at 10pps (North America) |
|
&P1 |
33/67ms at 10pps (Europe) |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Description: |
Displays information requested |
|
Command |
Function |
|
I0 |
Reports four digit product code |
|
I1 |
Reports ROM checksum |
|
I2 |
Reports internal memory test |
|
I3 |
Reports firmware ID |
|
I4 |
Reserved |
|
RTS/CTS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Rn [cmds] |
|
Description: |
Selects RTS/CTS options |
|
Command |
Function |
|
&R0 |
Reserved |
|
&R1 |
CTS forced high, RTS is ignored. |
|
SPEAKER VOLUME | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] Ln [cmds] |
|
Description: |
Controls speaker volume |
|
Command |
Function |
|
L0 |
Low volume setting |
|
L1 |
Low volume setting |
|
í L2 |
Medium volume setting |
|
L3 |
Highest volume setting |
|
V.32 - AUTO-RETRAIN | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Bn [cmds] |
|
Description: |
Controls auto-retrain function if poor line quality is detected |
|
Command |
Function |
|
&B0 |
Auto-retrain disabled modem hangs-up |
|
í &B1 |
Auto-retrain enabled if line quality is poor. Hang-up after reaching threshold set in register S7 |
|
&B2 |
Tolerate any line quality |
EXTENDED AT COMMAND SET
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Cn [cmds] |
|
Description: |
Selects data compression |
|
Command |
Function |
|
%C0 |
Data compression disabled |
|
%C1 |
MNP5 enabled |
|
CONNECT MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Nn [cmds] |
|
Description: |
Controls the type of connection the modem will operate in |
|
Command |
Function |
|
\N0 |
Normal mode enabled |
|
\N1 |
Direct mode enabled |
|
\N2 |
Reliable mode enabled |
|
í \N3 |
Auto-reliable mode enabled |
|
\N4 |
V.42 reliable mode enabled |
|
FIRMWARE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] -Vn [cmds] |
|
Description: |
Display modem firmware virsion |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Qn [cmds] |
|
Description: |
Sets type of flow control used by modem |
|
Command |
Function |
|
\Q0 |
Flow control disabled |
|
\Q1 |
Bi-directional XON/XOFF flow control enabled |
|
\Q2 |
CTS flow control by DCE enabled |
|
í \Q3 |
Bi-directional RTS/CTS flow control enabled |
|
INACTIVITY TIMER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Tn [cmds] |
|
Range: |
0-90 |
|
Unit: |
1 second |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
V.42bis - DICTIONARY SIZE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] "Nn [cmds] |
|
Description: |
Select V.42 dictionary size |
|
Command |
Function |
|
"N0 |
Select 512 bytes |
|
"N1 |
Select 1024 bytes |
|
í "N2 |
Select 1536 bytes |
S (STATUS) REGISTERS
|
AUTOMATIC FALLBACK | |
|
Type: |
Register |
|
Format |
AT [cmds] S43=n [cmds] |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Sets automatic fallback character. Default=13 |
|
AUTORELIABLE BUFFER | |
|
Type: |
Register |
|
Format |
AT [cmds] S48=n [cmds] |
|
Range: |
0-2 |
|
Unit: |
Unidentified |
|
Description: |
Controls autoreliable buffer |
|
BIT-MAPPED REGISTER S19 | |
|
Format |
AT [cmds] S19=n [cmds] |
|
Unit: |
Bit-mapped |
|
Description: |
Controls autosync options. Default=26 |
|
BIT-MAPPED REGISTER S20 | |
|
Format |
AT [cmds] S20=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
Bit-mapped |
|
Description: |
Controls autosync HDLC address. Default=255 |
|
BIT-MAPPED REGISTER S44 | |
|
Format |
AT [cmds] S44=n [cmds] |
|
Unit: |
Bit-mapped |
|
Description: |
Determines V.42bis status and automatic fall forward/fallback. Default=7 |
|
BIT-MAPPED REGISTER S51 | |
|
Format |
AT [cmds] S51=n [cmds] |
|
Unit: |
Bit-mapped |
|
Description: |
Determines flow control options. Default=3 |
|
BIT-MAPPED REGISTER S54 | |
|
Format |
AT [cmds] S54=n [cmds] |
|
Unit: |
Bit-mapped |
|
Description: |
Determines V.23, error correction result code |
|
BREAK OPTION | |
|
Type: |
Register |
|
Format |
AT [cmds] S52=n [cmds] |
|
Range: |
0-5 |
|
Unit: |
Unidentified |
|
Description: |
Controls break options. Default=5 |
|
BTLZ OPTIONS | |
|
Type: |
Register |
|
Format |
AT [cmds] S58=n [cmds] |
|
Range: |
6-64 |
|
Unit: |
Bytes |
|
Description: |
Sets BTLZ string length. Default=32 |
|
CONNECT MESSAGE | |
|
Type: |
Register |
|
Format |
AT [cmds] S41=n [cmds] |
|
Range: |
0-2 |
|
Unit: |
Unidentified |
|
Description: |
Determines connect message. Default=0 |
|
DTE RATE SELECTION | |
|
Type: |
Register |
|
Format |
AT [cmds] S72=n [cmds] |
|
Range: |
0-18 |
|
Unit: |
Unidentified |
|
Description: |
Selects DTE rate |
|
DTE RATE STATUS | |
|
Type: |
Register |
|
Format |
AT [cmds] S62=n [cmds] |
|
Range: |
0-17 |
|
Unit: |
Unidentified |
|
Description: |
Determines DTE rate status. Default=16 |
|
MNP5 ERROR CORRECTION | |
|
Type: |
Register |
|
Format |
AT [cmds] S59=n [cmds] |
|
Range: |
0-1 |
|
Unit: |
Unidentified |
|
Description: |
Sets MNP5 error correction |
|
POWER-UP PROFILE | |
|
Type: |
Register |
|
Format |
AT [cmds] S98=n [cmds] |
|
Range: |
0, 1 |
|
Unit: |
Unidentified |
|
Description: |
Sets power-up profile |
|
ROUND TRIP DELAY | |
|
Type: |
Register |
|
Format |
AT [cmds] S65=n [cmds] |
|
Range: |
Unidentified |
|
Unit: |
.1second |
|
Description: |
Sets round trip time delay. Default=100 |
|
SLEEP TIMER/PCMCIA | |
|
Type: |
Register |
|
Format |
AT [cmds] S47=n [cmds] |
|
Range: |
0-255 |
|
Unit: |
Unidentified |
|
Description: |
Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. |
|
V.32 RETRAIN | |
|
Type: |
Register |
|
Format |
AT [cmds] S42=n [cmds] |
|
Range: |
0-2 |
|
Unit: |
Unidentified |
|
Description: |
Controls V.32 retrain. Default=1 |
|
V.42bis DICTIONARY SIZE | |
|
Type: |
Register |
|
Format |
AT [cmds] S57=n [cmds] |
|
Range: |
0-2 |
|
Unit: |
Unidentified |
|
Description: |
Sets the maximum V.42bis dictionary size. Default=2 |
|
V.42 MAXIMUM BLOCK SIZE | |
|
Type: |
Register |
|
Format |
AT [cmds] S49=n [cmds] |
|
Range: |
63, 127, 191, 255 |
|
Unit: |
Unidentified |
|
Description: |
Sets the maximum block size in V.42 mode. Default=255 |
|
V.42/MNP/NORMAL MODES | |
|
Type: |
Register |
|
Format |
AT [cmds] S53=n [cmds] |
|
Range: |
0-4 |
|
Unit: |
Unidentified |
|
Description: |
Controls V.42/MNP/Normal modes. Default=3 |