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Table B-1. AT Command and S-Register List (31 of 34)
AT
Command/
Description
S-Register
\T
No Data Disconnect Timer
n
Forces a disconnect if nothing is transmitted or
received for a specified period.
\T0
\Tn
\X
XON/XOFF Passthrough Flow Control
n
Controls the transmission of XON/XOFF flow
control characters. The default is for the DataPort
2001 to ignore the control characters.
\X0
\X1
%A
Error Control Fallback Character
n
Sets error control fallback character n to an
ASCII value from 0 to 127. Factory default is 13,
an ASCII carriage return.
%B
Modulation/Data Rate
n
%B300
%B1200 V.22, V.23, or Bell 212A—max rate
%B2400 V.22 bis—max rate 2400 bps
%B4800 V.32 bis/V.32—max rate 4800 bps
%B7200 V.32 bis-max rate 7200 bps
%B9600 V.32 bis/V.32—max rate 9600 bps
%B12000 V.32 bis—max rate 12,000 bps
%B14400 V.32 bis—max rate 14,400 bps
Disable
Sets no Data disconnect timer to a value
from 1 minute to 255 minutes.
Disable
Enable
V.21 or Bell 103—max rate 300 bps
1200 bps
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