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 |
MAXTECH-CORPORATION-Modem-Fax-card-PCM228A-ATTHSM2
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 |