Lucent Technologies SLC 5 Series - Page 493

Conversions: DLP-516 363-205-401
Page 2 of 4 Issue 7, March 1997
While observing
FAIL
indicator on
LSU
faceplate, insert
LSU
into
LSU
slot in
middle (for the blue bank) or right side (for white bank) of facility shelf.
Response:
LSU FAIL
indicator lights momentarily.
MN
and
NE
indicators
on
ADU
are lighted.
3. Did
LSU FAIL
indicator light momemtarily and go off?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
4.
4. Remove
LSU
.
5.
!
CAUTION:
Incorrectly set LSU option switches may result in immediate or future loss
of service.
Get a replacement
LSU
and set all eight force (
f
)/deny (
d
) switches on
LSU
faceplate to off (right-hand side) position (Figure 1).
6. While observing
FAIL
indicator on
LSU
faceplate, insert
LSU
into
LSU
slot in
facility shelf.
Response:
LSU FAIL
indicator lights momentarily and
MN
and
NE
indi-
cators on
ADU
are lighted.
7. Did
FAIL
indicator on
LSU
light momentarily and go off?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
8.
8. Remove
ADU
and check for proper option settings.
Reference: DLP-512
9. Are option switches on
ADU
set correctly?
If
YES,
then proceed to Step
12.
If
NO,
then continue with Step
10.
10. Set option switches on
ADU
to correct positions and reinsert
ADU
into
ADU
slot.
11. Wait 20 seconds and then replace
LSU
with
LSU
removed previously and
repeat from Step
3.