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AT Command Set and S-Registers
5-173920-A2-GN31-30 November 1996
Table 5-3
(2 of 12)
392x
Plus
S-Registers
S-Register
DCP LCD
Command
Sequence
Description
S12 Escape Guard Time. Register sets the value (in 20-millisecond increments) for
the required pause before and after the escape sequence is issued. The guard
time prevents the modem from interpreting data as the escape sequence
characters.
Enter a value from 0–255 in 20-millisecond increments. The factory setting of
50 equals 1000 milliseconds or one second.
Configure\Edit\
DTE Dialer
S14 Asymmetric Rate Mode. Register determines whether VF rates for transmitting
and receiving are identical when using V
.34 modulation on a dial line. The
factory setting is Enable.
Configure\Edit\Di
al Line
S15 Asymmetric Rate Mode. Register determines whether VF rates for transmitting
and receiving are identical when using V
.34 modulation on a leased line. The
factory setting is Enable.
Configure\Edit\
Leased Line
S18 Test Time-out. Register sets the duration (in seconds) for the modem tests.
This automatically cancels any test in progress after the time of this register
expires. Any test can be manually canceled by issuing the escape sequence
(+++) followed by the &T0 command.
Enter a value from 0–255 seconds. A value of 0 disables this register. The
factory setting is Disable (0).
Configure\Edit\
Tests
S26 RTS-to-CTS Delay. Register sets the length of time (in 10-millisecond
increments) the modem waits after receiving RTS before issuing CTS to the
DTE.
Enter a value from 0–255. The factory setting is 0.
Configure\Edit\
DTE Interface
S40 Auto Make Busy. Register determines if the modem goes off-hook under
certain conditions. This register should only be enabled when the modem is
located behind a user’s Private Branch Exchange (PBX). This register is only
valid for Model 3921
Plus
modems.
Register has the following values:
0 = Disable
1 = Enable
The factory setting is Disable.
Configure\Edit\
Line Dialer