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Chapter 8. Configuring DBU Options
61200275L1-1 TSU IQ+ User Manual 8-5
be identical. If using front panel entry, see the section Entering
Letters Using the Front Panel on page 9-6 in the chapter System
Configuration for more information. This field is not available when
the PRI DBU card is installed.
Daily Lockout
Enable/disable the daily lockout specified by the fields L
OCKOUT
S
TART
and L
OCKOUT
E
ND
.
Lockout Start
Enter the hour that the daily lockout begins and dial backup is
disabled. This setting only applies if the D
AILY
L
OCKOUT
parameter
is enabled. Choices are 0 to 23.
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 enabled.
Weekend Lock
If enabled, no backup will occur from midnight Friday to midnight
Sunday.
DBU CRITERIA
With Network Failure (WITH NETFAIL)
When enabled, the TSU IQ+ enters backup mode when network
failure is detected. The factory default setting is E
NABLE
.
With No LMI
When enabled, the TSU IQ+ 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.
If this option is set to E
NABLED
,theneachDBU
ON
I
NACTIVE
option
applies. If this option is set to D
ISABLE
,theneachDBU
ON
I
NACTIVE
option is disabled. See DBU on Inactive on page 7-7.