
Chapter 8. Dial Backup Configuration
61200214L1-20 IQ Probe User Manual 8-5
DBU Password
Enter the authentication string used for making a dial backup connection.
The near and far end IQ devices must have identical DBU passwords. If
using front panel entry, see the section Using the Front Panel on page 9-6
for more information.
Daily Lockout
Enable this field to disable dial backup during a certain time period each
day. The time period is specified in the L
OCKOUT
S
TART
and L
OCKOUT
E
ND
fields.
Lockout Start
Enter the hour that the daily lockout begins and dial backup is disabled (0
to 23). This setting only applies if the D
AILY
L
OCKOUT
parameter is enabled.
Lockout End
Enter the hour that the daily lockout ends and dial backup is reactivated
(0 to 23). This setting only applies if the D
AILY
L
OCKOUT
parameter is en-
abled.
Weekend Lock
If enabled, no backup will occur from midnight Friday to midnight Sun-
day.
DBU Criteria
With Carrier Detect Loss (WITH DCD LOSS)
When enabled, the IQ Probe enters backup mode when a loss of carrier de-
tect signal is detected on the DCE port. The factory default setting is E
N
-
ABLE
.
With No LMI
When enabled, the IQ Probe enters backup mode when a loss of signaling
from the frame relay switch is detected. The default setting is E
NABLE
.
With PVC Inactive
This option works in conjunction with the DBU
ON
I
NACTIVE
option in the
PVC configuration table. The W
ITH
PVC I
NACTIVE
option acts as a master
switch for Auto DBU operation based on the PVC state.
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