
AT Command Set and S-Registers
14-253920-A2-GH30-40 October 1998
Table 14-3
(9 of 15)
392xPlus S-Registers
S-Register
DCP LCD
Command
Sequence
Description
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
2 = Fast
The factory setting is Disable.
Configure\Edit\
Tests
S53 V.54 Address. Identifies the address of the modem to be placed in a loopback
test.
Register has the following values:
0 = Disable
1–34 = Modem address
The factory setting is Disable.
Configure\Edit\
Tests
S54 V.54 Device Type. Identifies where the modem is physically located in the
network.
Register has the following values:
0 = Peripheral
1 = Intermediate
The factory setting is Peripheral.
Configure\Edit\
Tests
S55 Access from Remote. Register determines if a modem’s DCP can be
accessed by a remote modem.
Register has the following values:
0 = Enable
1 = Disable
The factory setting is Enable.
Configure\Edit\
Misc
S56 Remote Access Password. Register allows entry of the first pair (leftmost) of
digits of a remote access password. Any value from 00 to 99 is valid. For
example, if the remote access password is 12345678, then S56 = 1 and 2.
Configure\Edit\
Misc
S57 Remote Access Password. Register allows entry of the second pair of digits of
a remote access password. Any value from 00 to 99 is valid.
Configure\Edit\
Misc
S58 Remote Access Password. Register allows entry of the third pair of digits of a
remote access password. Any value from 00 to 99 is valid.
Configure\Edit\
Misc
S59 Remote Access Password. Register allows entry of the fourth pair (rightmost)
of digits of a remote access password. Any value from 00 to 99 is valid.
Configure\Edit\
Misc
S60 Callback Delay. Register determines the amount of time between disconnect
confirmation and callback initiation.
Register has the following values:
0 = Disable
1 = 20 seconds
2 = 40 seconds
3 = 1 minute
4 = 2 minutes
5 = 3 minutes
The factory setting is Disable.
Configure\Edit\
Misc
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