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AT Command Set and S-Registers
14-173810-A2-GB30-20 November 1996
Table 14-2
(2 of 11)
3800 Series S-Registers
S-Register Front Panel BranchDescription
S8 ‘‘,” Pause Time for the Dial Modifier
Register determines how long (in seconds) the modem pauses when it
encounters a comma (,) in the Dial command string.
Enter a value from 0 to 255 seconds.
Factory setting is 2 seconds.
Configure\Edit\Line Dialer
S10 No Carrier Disconnect
Register determines how long (in tenths of seconds) the modem allows
the carrier signal to be off before disconnecting the call.
Enter a value from 0 to 254 in 0.1 second increments. (A value of 255
disables this register.)
Factory setting is 20 (2 seconds).
Configure\Edit\Line Dialer
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 to 255 in 20-millisecond increments. For example,
the factory setting of 50 equals 1000 milliseconds or one second.
Factory setting is 50 (1 second).
Configure\Edit\DTE Dialer
S18 Test Timeout
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 to 255 seconds. (A value of 0 disables this register.)
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 to 255.
Factory setting is 0 milliseconds.
Configure\Edit\DTE
Interface
S34 1800 Hz Training Tone
This configuration option is for communication with certain modems that
do not comply with the V.32 standard. When 1800 Hz Training Tone is
enabled, a short burst of 1800 Hz (AC) tone is sent to the answering
modem to prompt it to answer. This is not required for V.32-compliant
modems.
Register has the following values:
0 = Disable
1 = Enable
Factory setting is Disable.
Configure\Edit\Leased Line