Lucent Technologies FiberReach DDM-2000 - Page 1452

TAP-112
: Trouble Clearing 363-206-305
Page 12 of 16 Issue 3, June 2000
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
15. Have two of the same type (service and protection
DS1
,
DS1PM
,
T1EXT
, or
DS3
) circuit packs been removed from the system?
If
YES
, continue with
Step 16
.
If
NO
, proceed to
Step 18
.
16. Determine the reason the circuit packs were removed. If the same circuit pack
is to be reinserted and no switch settings are changed, reinstall the circuit
pack. If the circuit pack was removed and switch settings changed, reinstall
the circuit pack and momentarily depress the
UPD/INIT
button on the
SYSCTL
. If the circuit pack is not to be reinserted, momentarily depress the
UPD/INIT
button on the
SYSCTL
to remove the circuit pack from the inventory.
17.
STOP. YOU HAVE COMPLETED THIS PROCE
DURE
.
18.
!
CAUTION:
If fuse on User Panel is not blown, trouble may be a failure of
one
of the
– 48V DC power feeders. Removing the wrong fuse or disconnecting the
wrong feeder for power measurement will cause service interruption.
Blown fuses are detected by noting that the fuse indicator pin is extended
through the fuse holder.
NOTE:
If fuse is not blown on the User Panel, check office battery distribution
fuse board for blown fuses or tripped breakers. Replace fuse or reset
breaker if necessary.
Is –48V fuse blown on User Panel?
If
YES
, continue with
Step 19
.
If
NO
, do
TAP-113
.
19. Replace blown –48V fuse on User Panel?
20. Did fuse blow again?
If
YES
, proceed to
Step 22
.
If
NO
, continue with
Step 21
.
21. Is MINOR alarm cleared?
If
YES
,
STOP. YOU HAVE COMPLETED THIS PROCEDURE
.
If
NO
, proceed to
Step 24
.