Lucent Technologies SLC 5 Series - Page 291

RT Turn Up: DLP-505 363-205-401
Page 4 of 6 Issue 7, March 1997
9. Has a
CTU
and/or
DTU
already been installed in the dual bank assembly?
If
YES,
then continue with Step
10.
If
NO,
then proceed to Step
20.
10.
NOTE:
This procedure assumes the TRU and LIU slots for the digroup(s) (AB or
CD) being equipped have not been installed.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Reinstall
ADU
into
ADU
slot.
11. After approximately 15 seconds, are
ADU MJ
and
NE
and
BCU A, B
DIGROUP
indicators lighted (
BCU C, D DIGROUP
indicators will also be
lighted if CD digroups are in the preservice and equipped state)?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
12.
12. Replace
BCU
.
13. After approximately 15 seconds, are
ADU MJ
and
NE
and
BCU A, B
DIGROUP
indicators lighted (
BCU C, D DIGROUP
indicators will also be
lighted if CD digroups are in the preservice and equipped state)?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
14.
14. Replace
BCU
with
BCU
removed previously.
15. Remove
ADU
and check settings of switches on option switch
S2
per work
order and Steps
4
and
8
.
16. Are switch settings on option switch correct?
If
YES,
then continue with Step
17.
If
NO,
then proceed to Step
19.
17. Get another
ADU
and use an orange stick (KS-6320, L1) or equivalent to set
switches on option switch
S2
according to work order and Steps
4
and
8
.