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COMSPHERE 3800Plus Modems
13-16 November 1996 3980-A2-GB30-20
Table 13-2
(3 of 13)
3800
Plus
S-Registers
AT Command Front Panel BranchDescription
S14 Asymmetric Rate Mode
Register determines whether VF rates for transmitting and receiving are
identical when using V.34 modulation. Enabling the function permits the
two rates to be different.
Register has the following values:
0=Enable
1=Disable
Factory setting is Enable.
Configure\Edit\
Dial Line
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 0–255 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 0–255.
Factory setting is 0 milliseconds.
Configure\Edit\
DTE Interface
S36 Rate Auto Originate
Initiates a dial backup call, using the phone number or numbers
determined by S-register S37 when the leased-line rate of the modem falls
back to or below a certain speed.
Register has the following values:
0=Disable
1=On fallback to 4,800
2=On fallback to 7,200
3=On fallback to 9,600
4=On fallback to 12,000
5=On fallback to 14,400
6=On fallback to 16,800
NOTE: Rate Auto-Originate is valid only when V.32bis Autorate is
enabled (S76=0) and when running V
.32bis modulation.
Configure\Edit\
Leased Line