Data calling tone command, Error correction mode selection command, Inactivity timer command – Multi-Tech Systems MT5634ZBA User Manual
Page 21: Mnp error correction, Protocol result code command, V.25 data calling tone, V.42 error correction, Xon/xoff pass-through command
Chapter 4 - AT Commands, S-Registers, Result Codes
21
MultiModemDID User Guide
Command:
\N
n
Error Correction Mode Selection
Values:
n = 0–5, or 7
Default:
3
Description:
\N0
Non-error correction mode with data buffering (buffer mode;
same as &Q6).
\N1
Direct mode.
\N2
MNP reliable mode. If the modem cannot make an MNP
connection, it disconnects.
\N3
V.42/MNP auto-reliable mode. The modem attempts first to
connect in V.42 error correction mode, then in MNP mode, and
finally in non-error-correction (buffer) mode with continued
operation.
\N4
V.42 reliable mode. If the modem cannot make a V.42
connection, it disconnects.
\N5
V.42, MNP, or non-error correction (same as \N3).
\N7
V.42, MNP, or non-error correction (same as \N3).
Command:
\Q
n
Flow Control Selection
Values:
n = 0, 1, or 3
Default:
3
Description:
\Q0
Disables flow control (same as &K0).
\Q1
XON/XOFF software flow control (same as &K4).
\Q2
CTS-only flow control. Not supported.
\Q3
RTS/CTS hardware flow control (same as &K3).
Command:
\T
n
Inactivity Timer
Values:
n = 0, 1–255
Default:
0
Description:
\Tn
Sets the time (in minutes) that the modem waits after the last
character is sent or received before it disconnects. A value of
zero disables the timer. Applies only in buffer mode.
Note: You can also set the inactivity timer by changing the value of S30.
Command:
\V
n
Protocol Result Code
Values:
n = 0, 1, or 2
Default:
1
Description:
\V0
Disables the appending of the protocol result code to the DCE
speed.
\V1
Enables the appending of the protocol result code to the DCE
speed.
\V2
Same as \V1.
Command:
\X
n
XON/XOFF Pass-Through
Values:
n = 0 or 1
Defaults:
0
Description:
\X0
Modem responds to and discards XON/XOFF characters.
\X1
Modem responds to and passes XON/XOFF characters.
Command:
-C
n
Data Calling Tone
Values:
n = 0 or 1
Defaults:
0
Description:
-C0
Disables V.25 data calling tone to deny remote data/fax/voice
discrimination.
-C1
Enables V.25 data calling tone to allow remote data/fax/voice
discrimination.