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Chapter 8. Configuring DBU Options
AUTO DBU
The A
automatically enters dial backup mode or waits for manual setup.
The factory default setting is D
DBU OPTIONS
Answer Always
If this feature is enabled, the unit will answer a call. If disabled, it
will not answer a call. However, the A
work in conjunction with the A
options. The A
disabled, the unit will not answer the call regardless of how A
A
regardless of the A
feature only appears when the unit is programmed for a nonframe-
relay circuit (signaling none). If both A
DBU are enabled, the unit will answer the call even if it is set to
O
Beeper Option
If enabled, the TSU IQ+ issues an intermittent beep while in dial
backup. Choices are D
Password Opt
When enabled, the passwords entered in the DBU P
of both the near and far end TSU IQ+s are required to match before
a dial backup connection can be made. The setting in this field
must also be identical in both units (i.e., they both must be set to
either E
PRI DBU card is installed.
DBU Password
Enter the authentication string used for making a dial backup
connection. The near and far end TSU IQ+ DBU passwords must
8-4
Dial backup is only supported when the unit is operated in point-to-
point mode.
DBU option specifies whether the unit
UTOMATIC
DBU option is the controlling option and if it is
UTO
is set, except for the DTE DBU which will answer the call
LWAYS
UTO
.
RIGINATE
or D
NABLED
ISABLED
TSU IQ+ User Manual
.
ISABLE
NSWER
DBU and O
UTO
DBU setting. The O
NSWER
or E
.
ISABLE
NABLE
). This field is not available when the
A
option must
LWAYS
/A
RIGINATE
NSWER
NSWER
/A
RIGINATE
NSWER
A
and A
LWAYS
UTO
fields
ASSWORD
61200275L1-1
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