Lucent Technologies SLC 5 Series - Page 80

363-205-401 Power Up:
Issue 7, March 1997 Page 1 of 4
DLP-501
Install Load Distribution Unit (LDU) in Power Shelf
SUMMARY:
Insert
LDU
into power shelf. Measure 105-129 V AC on
LDU
faceplate.
If required, install order wire build-out resistance module (ED7C613-30, G2) in
LDU
or miscellaneous pair panel assembly. Set order wire impedance switches.
1. Get one
LDU
and, if required, one ED7C613-30, G2 order wire build-out resis-
tance module and inspect for possible physical damage.
2. Insert
LDU
into
LDU
slot in power shelf.
3. Condition DMM to measure AC volts.
4. At
LDU
, connect DMM test leads to
AC
and
GND
jacks.
5. Does DMM indicate between 105 and 129 volts?
If
YES,
then proceed to Step
13.
If
NO,
then continue with Step
6.
6. Check AC power cord connections at rear of power shelf and AC power con-
nection to dual bank assembly.
7. Has AC power cord been properly connected and is AC connection to dual
bank assembly present?
If
YES,
then continue with Step
8.
If
NO,
then
refer trouble to installation group.
8. Replace
LDU
.
9. At
LDU
, connect DMM test leads to
AC
and
GND
jacks.
10. Does DMM indicate between 105 and 129 volts?
If
YES,
then proceed to Step
13.
If
NO,
then continue with Step
11.
11. Replace
LDU
with
LDU
removed previously.