MEGAHERTZ CORPORATION
C524FM/Z324FM/Z524FM
Modem Type |
Data (synchronous/asynchronous)/Fax/Voice |
Maximum Data Rate |
2400bps |
Maximum Fax Rate |
9600bps |
Data Bus |
Internal |
Fax Class |
Class I & II |
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis |
Fax Modulation Protocol |
ITU-T V.21CH2, V.27ter, V.29 |
Error Correction/Compression |
MNP5, V.42, V.42bis |
V1287
Proprietary AT Command Set
ACCEPT RELIABLE MODE | |
Type: |
Immediate |
Format: |
AT [cmds] \U [cmds] |
Example: |
AT \U B1 <CR> |
Description: |
Accepts remote modem’s request for reliable link. |
AUTO-RELIABLE FALLBACK CHARACTER | |
Type: |
Register |
Format: |
AT [cmds] %An [cmds] |
Example: |
AT %A20 <CR> |
Default: |
Unidentified |
Range: |
0 - 127 |
Unit: |
ASCII |
Description: |
Sets the character used as the auto-reliable fallback character. %A0 will disable this function. |
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
Type: |
Configuration |
Format: |
AT [cmds] \Cn [cmds] |
Example: |
AT \C1 &W <CR> |
Description: |
Controls the handling of incoming data during auto-reliable time period. |
Command |
Function |
» \C0 |
Data is discarded. |
\C1 |
Data is buffered. |
\C2 |
Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character. |
AUTO-RETRAIN | |
Type: |
Configuration |
Format: |
AT %En |
Example: |
AT %E1 <CR> |
Description: |
Selects auto-retrain mode. |
Command |
Function |
%E0 |
Auto-retrain enabled. |
%E1 |
Auto-retrain disabled. |
BIT-MAPPED REGISTER S14 | |||
Format |
AT [cmds] S14=n [cmds] | ||
Example: |
AT S14=170 <CR> | ||
Default: |
170 | ||
Range: |
0 - 190 | ||
Unit: |
Bit-mapped | ||
Description: |
Controls command echo, result codes, dialing mode, and answer/originate mode. | ||
Bit |
Value |
Function | |
0 |
0 |
Not used. | |
1 |
0 1 |
Command echo off. Command echo on. | |
2 |
0 1 |
Result codes enabled. Result codes disabled. | |
3 |
0 1 |
Numeric result codes. Verbose result codes. | |
4 |
1 |
Not used. | |
5 |
0 1 |
Tone dialing selected. Pulse dialing selected. | |
6 |
0 |
Not used. | |
7 |
0 1 |
Answer mode selected. Originate mode selected. |
BREAK SEND | |
Type: |
Configuration |
Format: |
AT [cmds] \Bn [cmds] |
Example: |
AT \B3 &W <CR> |
Range: |
1-9 |
Unit: |
.1 second |
Description: |
Sends break to modem. |
BREAK TYPE | ||||
Type: |
Configuration | |||
Format: |
AT [cmds] \Kn [cmds] | |||
Example: |
AT \K1 <CR> | |||
Description: |
Configures action of break signal. | |||
Command |
Break from DTE |
Modem receives \B |
Break received from remote modem | |
\K0 |
Online command mode enabled, send no break to remote modem. |
Break sent to remote modem and buffered cleared. |
Buffers cleared, break sent to DTE. | |
\K1 |
Break sent to remote modem and buffered cleared. |
Break sent to remote modem and buffered cleared. |
Buffers cleared, break sent to DTE. | |
\K2 |
Online command mode enabled, send no break to remote modem. |
Send break to remote modem immediately. |
Break sent immediately to DTE. | |
\K3 |
Send break to remote modem immediately. |
Send break to remote modem immediately. |
Break sent immediately to DTE. | |
\K4 |
Online command mode enabled, send no break to remote modem. |
Send break with transmitted data. |
Break sent with received data to the DTE. | |
\K5 |
Send break with transmitted data. |
Send break with transmitted data. |
Break sent with received data to the DTE. |
COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Cn [cmds] |
Example: |
AT *EC0 %C1 *AP0 <CR> |
Description: |
Selects data compression. |
Command |
Function |
%C0 |
Data compression disabled. |
%C1 |
Data compression enabled. |
CONNECT MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Nn [cmds] |
Example: |
AT \N1 DT555-1212 <CR> |
Description: |
Sets connect mode. |
Command |
Function |
\N1 |
Normal mode. |
\N0 |
Direct mode. |
\N2 |
Reliable mode. |
\N3 |
Auto-reliable mode. |
CONVERT TO RELIABLE MODE | |
Type: |
Immediate |
Format: |
AT [cmds] \Y [cmds] |
Example: |
AT \Y <CR> |
Description: |
Initiates reliable mode link. |
DIAL STORED PHONE NUMBER | |
Type: |
Immediate |
Format: |
AT [cmds] Dn |
Example: |
AT M0 D3 <CR> |
Description: |
Dials a stored phone number. |
DISPLAY CURRENT COMMAND STATUS | |
Type: |
Immediate |
Format: |
AT [cmds] \S [cmds] |
Example: |
AT &Z2=9W1-303-555-1212 \S <CR> |
Description: |
Displays current setting of modem commands. |
DISPLAY STORED NUMBERS | |
Type: |
Immediate |
Format: |
AT [cmds] \F? [cmds] |
Example: |
AT \P2=9W1-303-555-1212 \F? <CR> |
Description: |
Displays all stored phone numbers. |
ECHO DATA | |
Type: |
Configuration |
Format: |
AT [cmds] \En [cmds] |
\Example: |
AT \E0 <CR> |
Description: |
Enables modem to echo received data. |
Command |
Function |
\E0 |
Data echo disabled. |
\E1 |
Data echo enabled. |
EXTENDED RESULT CODES | |
Type: |
Configuration |
Format: |
AT [cmds] \Vn [cmds] |
Example: |
AT \V1 %C1 <CR> |
Description: |
Selects MNP result codes. |
Command |
Function |
\V0 |
MNP result codes disabled. |
\V1 |
MNP result codes enabled. |
FLOW CONTROL | |
Type: |
Configuration |
Format: |
AT [cmds] \Gn [cmds] |
Example: |
AT G1 &K3 <CR> |
Description: |
Selects modem port flow control. |
Command |
Function |
\G0 |
Flow control disabled. |
\G1 |
Flow control enabled. |
FLOW CONTROL TYPE | |
Type: |
Configuration |
Format: |
AT [cmds] \Qn [cmds] |
Example: |
AT \Q5 <CR> |
Description: |
Sets type of flow control used by modem. |
Command |
Function |
\Q0 |
Flow control disabled. |
\Q1 |
Bidirectional XON/XOFF flow control enabled. |
\Q2 |
CTS flow control by DCE enabled. |
\Q3 |
Bidirectional CTS/RTS flow control enabled. |
\Q4 |
XON/XOFF flow control by DCE enabled. |
INACTIVITY TIMER | |
Type: |
Register |
Format: |
AT [cmds] \Tn [cmds] |
Example: |
AT \T5 <CR> |
Default: |
0 |
Range: |
0-255 |
Unit: |
1 second |
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
LOCK SERIAL PORT | |
Type: |
Configuration |
Format: |
AT [cmds] \Jn [cmds] |
Example: |
AT %L3 %B14 \J0 <CR> |
Description: |
Sets operation of serial port speed. |
Command |
Function |
\J0 |
Serial speed locked. |
\J1 |
Serial speed follows connect speed. |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: |
Configuration |
Format: |
AT [cmds] \An [cmds] |
Example: |
AT \A3 %C1 <CR> |
Description: |
Sets the maximum transmittable block size. |
Command |
Function |
\A0 |
Maximum MNP block size is 64 characters. |
\A1 |
Maximum MNP block size is 128 characters. |
\A2 |
Maximum MNP block size is 192 characters. |
\A3 |
Maximum MNP block size is 256 characters. |
MODEM STATUS | |
Type: |
Immediate |
Format: |
AT [cmds] \S [cmds] |
Example: |
AT \S &W <CR> |
Description: |
Display modem status. |
ON-LINE IN RELIABLE MODE | |
Type: |
Immediate |
Format: |
AT [cmds] \On |
Example: |
AT \O <CR> |
Description: |
Returns to on-line and requests reliable mode connection. |
REDIAL | |
Type: |
Immediate |
Format: |
AT [cmds] DL |
Example: |
AT M1 DL <CR> |
Description: |
Redials the last number dialed. |
REPORT PRODUCT VERSION | |
Type: |
Immediate |
Format: |
AT [cmds] %V [cmds] |
Example: |
AT I3 &V1 %V <CR> |
Description: |
Reports product version. |
RETURN TO RELIABLE MODE | |
Type: |
Immediate |
Format: |
AT [cmds] \Z [cmds] |
Example: |
AT \Z <CR> |
Description: |
Ends reliable mode link, initiate return to normal mode. |
STORE PHONE NUMBER IN NVRAM | |
Type: |
Configuration |
Format: |
AT [cmds] \Pn= <#> |
Example: |
AT \P2=9W1-303-555-1212 \F? <CR> |
Description: |
Stores a phone number in the modem’s memory. |
XON/XOFF PASS-THROUGH | |
Type: |
Configuration |
Format: |
AT [cmds] \Xn [cmds] |
Example: |
AT \X0 O <CR> |
Description: |
Selects whether XON/XOFF signals are sent to remote modem. |
Command |
Function |
\X0 |
XON/XOFF signals trapped by local modem. |
\X1 |
XON/XOFF passed through local modem. |