AT Commands and S-Registers
B-9
Issue 1 April 1994
Table B-1. AT Command and S-Register List (8 of 34)
AT
Command/
S-Register
Description
S7=
n
No Answer Timeout
Sets the amount of time the DataPort 2001 waits
before abandoning a call that produces no
answer tone. Accepts a value from 1 to 255
seconds. Factory setting is 45 seconds.
Cellular setting is 120 seconds.
S8=
n
Pause Time for the “,” Dial Modifier
Sets the length of the pause invoked by a comma
in the Dial command string. Accepts a value from
0 to 255 seconds. Factory setting is 2 seconds.
S9=
n
Carrier Detect Response Time
Required for software compatibility. Although the
DataPort 2001 does not support this register, it
issues an OK for values entered.
S10=
n
No Carrier Disconnect
255 = Disable
Sets the amount of time the DataPort 2001 will
wait before disconnecting when no carrier signal
is detected. Accepts a value from 0 to 254 in 0.1
second increments.
Factory setting is 20 (2 seconds/2000 msec).
Cellular setting is 100 (10 seconds/10,000 msec).
S11=
n
DTMF Tone On Timer
Sets the duration of a DTMF tone (touch-tone).
Accepts a value from 50 to 255 milliseconds. A
value less than 50 defaults to 50 milliseconds.
Factory setting is 70 milliseconds.