MAXTECH CORPORATION
PCM 336C
Card Type |
Modem/Fax card |
Chip Set |
Unidentified |
Maximum Modem Rate |
33.6Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Modulation Protocol |
Bell 103/212A ITU-T V.22bis, V.22, V.23, V.32, V.32bis, V.34, V34+, V.21 |
Fax Modulation Protocol |
ITU-T V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42bis, V.42 |
Fax Class |
Class I |
Data Bus |
PCMCIA |
54707
SUPPORTED COMMAND SET |
Basic AT Commands |
AT, +++, A/ |
A, E, H, M, O, P, Q, T, V, X, Y, Z |
&C, &F, &G, &W, &Y, &Z |
Extended AT Commands |
\A, \B, \C, \G, \J, \K, \O, \U, \X, \Y, \Z |
%A |
"H |
-J |
Special Commands |
+MS |
S Registers |
S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25 |
S27, S30, S31, S33, S37 |
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 |
AUXILIARY RELAY | |
Type: |
Configuration |
Format: |
AT [cmds] &Jn [cmds] |
Description: |
Controls auxiliary relay operations |
Command |
Function |
&J0 |
Auxiliary relay disabled |
&J1 |
Auxiliary relay enabled when modem is off hook |
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; 1200bps receive, 75bps transmit |
B3 |
ITU-T V.23 originate mode; 75bps receive, 1200bps transmit |
COMMUNICATIONS MODE | |
Type: |
Configuration |
Format: |
AT [cmds] &Mn [cmds] |
Description: |
Selects communications mode |
Command |
Mode |
&M0 |
Asynchronous 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. |
CONFIGURATION PROFILES | |
Type: |
Immediate |
Format: |
AT [cmds] &V [cmds] |
Description: |
Displays active and stored configuration profiles |
Command |
Function |
í &V0 |
Displays active and stored profile 0 |
&V1 |
Displays active and stored profile 1 |
DATA SET READY (DSR) | |
Type: |
Configuration |
Format: |
AT [cmds] &Sn [cmds] |
Description: |
Selects DSR options |
Command |
Function |
í &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 silence up to the time specified in S7, is received prior to executing the rest of the dial string. |
D; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
EXTENDED RESULT CODES | |
Type: |
Configuration |
Format: |
AT [cmds] Wn [cmds] |
Description: |
Enables selection of additional result codes |
Command |
Function |
í W0 |
Modem reports DTE response codes |
W1 |
Modem reports DTE response codes |
W2 |
Modem reports DCE response codes |
W3 |
Modem reports DTE speed, modulation mode, error control, data compression, and DCE speed |
W4 |
Modem reports DTE protocol, data compression, and DTE speed |
FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] &Kn [cmds] |
Description: |
Enables flow control options |
Command |
Function |
&K0 |
Flow control disabled |
í &K3 |
RTS/CTS flow control enabled |
&K4 |
XON/XOFF flow control enabled |
PULSE DIALING RATIO | |
Type: |
Configuration |
Format: |
AT [cmds] &Pn [cmds] |
Description: |
Selects pulse dial make/break ratio |
Command |
Function |
í &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 device ID |
I4 |
Reports internal ID |
I5 |
Reports modem chip hardware configuration |
I6 |
Reports country code |
I7 |
Reports board manufacturer firmware version |
I8 |
Reports modem firmware version |
I10 |
Reports modem board configuration |
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 |
TEST MODES | |
Type: |
Immediate |
Format: |
AT [cmds] &Tn |
Description: |
Selects test options |
Command |
Function |
&T0 |
End current test |
&T1 |
Begin local analog loopback test |
&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 |
TRELLIS CODING | |
Type: |
Configuration |
Format: |
AT [cmds] &Un [cmds] |
Description: |
Enables/disables trellis coding |
Command |
Function |
í &U0 |
V.32 trellis coding enabled |
&U1 |
V.32 trellis coding disabled |
EXTENDED AT COMMAND SET
AUTO-FALLBACK/FALL-FORWARD | |
Type: |
Configuration |
Format: |
AT [cmds] %Gn [cmds] |
Description: |
Selects auto-fallback/fall-forward |
Command |
Function |
%G0 |
Auto-fallback/fall-forward enabled |
%G1 |
Auto-fallback/fall-forward disabled |
AUTO-RETRAIN | |
Type: |
Configuration |
Format: |
AT [cmds] %En [cmds] |
Description: |
Controls auto-retrain mode and fallback/fall-forward |
Command |
Function |
%E0 |
Auto-retrain disabled |
%E1 |
Auto-retrain enabled |
CALLING TONE | |
Type: |
Configuration |
Format: |
AT [cmds] -Cn [cmds] |
Description: |
Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating |
Command |
Function |
-C0 |
Calling tone disabled |
-C1 |
1300hz calling tone enabled |
-C2 |
V.8 and 1300hz calling tone enabled |
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 |
Normal mode enabled |
\N2 |
Reliable mode enabled |
í \N3 |
Auto-reliable mode enabled |
\N4 |
V.42 reliable mode enabled |
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 - MAXIMUM STRING LENGTH | |
Type: |
Immediate |
Format: |
AT [cmds] "On [cmds] |
Range: |
6-250 |
Unit: |
Characters |
Description: |
Selects string size for V.42bis compression |