Chapter 9. Configuring Dial Options
SW56 Auto Answer
The SW56 Auto Answer option is used to specify how incoming
calls are to be answered. If E
automatically answered by the DSU IV. If D
call can be answered manually, by an AT or V.25 command from the
DTE, or by raising TR from the DTE.
DBU Options
The DBU Options are used to select the modes of operation for the
Dial Backup features. There are ten standard options available with
additional options for specific backup services.
Table 9-2 lists the DBU options and their AT commands for all
models.
Front
Panel
Automatic DBU
1 = Disabled
2 = Enabled
Number to Dial
1 = DBU with #1
2 = DBU with #2
Originate/Answer
1 = DBU originate
2 = DBU answer
DBU Criteria
When Out of Service
1= Disabled
2 = Enabled
9-4
NABLED
Table 9-2. DBU Options AT Commands for All Models
AT
Command
_K0
Automatic DBU disabled
_K1
Automatic DBU enabled
_B0
Dial stored #1
_B1
Dial stored #2
_E0
Originates call if DDS fails
_E1
Answers call if DDS fails
_G0
No DBU for OOS
_G1
DBU when OOS
DSU IV ESP User Manual
, incoming calls are
, an incoming
ISABLED
Description
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