Lucent Technologies SLC 5 Series - Page 469

363-205-401 Conversions:
Issue 7, March 1997 Page 1 of 4
DLP-509
Perform End-to-End Test When Converting a Feature
Package B Mode 2 to Mode 1
SUMMARY:
Have COT personnel remove
TAU
circuit packs then install
LIU
circuit
packs in
LIU
slots
B
and
D
. Verify that when the COT personnel installs the
LIU
, the
RT
LIU CLF
indicator goes off and the digroup alarms clear. If a FPB COT is
connected to the RT (not SLC- 96 COT), alarms clear after the
TRU
s are installed.
This procedure assumes the system is universal . If the system is integrated , the
switching personnel will have to remove service on all digroups before converting to
Mode 1. As switching personnel restores service to the digroups, verify that the RT
digroup alarms clear.
1. If the central office is a FPB COT proceed to Step
13
.
2. Request COT personnel to remove
TAU
circuit packs.
Response: Digroups
A
and
C
alarms clear on
BCU
.
If protection line is available, digroup B switches to protec-
tion.
3. Request COT personnel to install
LIU
circuit packs in
LIU B
slot.
Response: Digroup
B
alarms clear on
BCU
.
If protection line is available, digroup D switches to protec-
tion.
4. After COT installs
LIU B
, did
LIU B CLF
and
BCU B
indicators go off?
If
NO
, then continue with Step
5
.
If
YES
, then proceed to Step
8
.