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COMSPHERE 3800Plus Modems
13-20 November 1996 3980-A2-GB30-20
Table 13-2
(7 of 13)
3800
Plus
S-Registers
AT Command Front Panel BranchDescription
S47 Auto Dial Standby
Register determines if the modem performs an automatic dial standby if in
Dial Backup mode.
Register has the following values:
0=Disable
1=15 minutes
2=1 hour
3=4 hours
255=Test(2min)
Factory setting is Disable.
Configure\Edit\
Leased Line
S48 Leased-Line Carrier On Level
Register determines if the modem disconnects if the carrier signal on
leased lines falls below –26 dBm or –43 dBm.
Register has the following values:
0= –43 dBm
1= –26 dBm
Factory setting is –43 dBm.
Configure\Edit\
Leased Line
S49 Transmit Buffer Disconnect Delay
Determines the maximum amount of time the modem can continue to send
data in its Transmit Buffer to the remote modem after it is commanded by
the DTE to disconnect.
Register has the following values:
0=Disable (Immediate disconnect)
1=1 second
2=2 seconds
S
S
S
S
255=255 seconds
Factory setting is 10 seconds.
Configure\Edit\
V42/MNP/Buffer
S51 DTE RL (CT140)
Register determines if the modem performs a remote digital loopback if it
receives a CT140 signal from the DTE.
Register has the following values:
0=Disable
1=Enable
Factory setting is Disable.
Configure\Edit\Tests
S52 DTE LL (CT141)
Register determines if the modem performs a local analog loopback if it
receives a CT141 signal from the DTE.
Register has the following values:
0=Disable
1=Enable
Factory setting is Disable.
Configure\Edit\Tests