4 AT Commands, S-Registers, and Result Codes
39
\K4 Send break to the computer in sequence with the received
data.
\K5 Same as \K4.
Online command mode. The modem receives a \Bn command
from the computer:
\K0 Clear data buffers and send break to the remote modem.
\K1 Same as \K0.
\K2 Send break immediately to the remote modem.
\K3 Same as \K2.
\K4 Send break to the remote modem in sequence with the trans-
mitted data.
\K5 Same as \K4.
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 con-
nection, 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 op-
eration.
\N4 V.42 reliable mode.If the modem cannot make a V.42 connec-
tion, 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 Disable 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) after the last character is sent or re-
ceived that the modem waits before disconnecting. 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.