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Table B-1 AT Command Set Summary (continued)
Command Function (Example)
\S
Read on-line status: command
settings (AT \S)
\T
Link inactivity timer (AT \T1)
V
Result code format (AT V0)
&W
Stores configuration (AT &W)
Z
Reset (AT Z)
+++
Enter command state
$B
Set baud rate (AT $B57600)
%V
Show version number (AT %V)
AT Command Set for the 3Com Impact Digital Modem
Description
Reads the status of any parameters that
have been modified through AT
commands.
\T0 disables inactivity timer (default).
\Tn link inactivity timer in minutes. The
digital modem automatically disconnects
the call if no activity is sensed within n
(n = 0–255) minutes.
V0 enables short form result codes.
V1 enables long form result codes
(default).
Stores the configuration of all S registers
that are not part of the digital modem
initial configuration set.
Disconnects all calls in progress and
performs a complete digital modem
system reset.
Causes digital modem to enter the
command state if it is currently in the
on-line state.
0 — Autobaud (default). Other settings
are 1200, 2400, 4800, 9600, 19200,
38400, 57600, and 115200.
Displays digital modem firmware version.
B-3
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Troubleshooting
