Lucent Technologies SLC 5 Series - Page 347

RT Turn Up: DLP-518 363-205-401
Page 2 of 4 Issue 7, March 1997
3. Are any of the indicators lighted during LED test?
If
YES,
then continue with Step
4.
If
NO,
then proceed to Step
5.
4.
!
CAUTION:
Any time a circuit pack containing option switches is replaced in an RT
assembly, ensure that any option switches are set per the work order or
engineering records. Incorrectly set LIU, LSU, or ADU option switches
may result in immediate or future loss of service or may introduce errors
into the digital bitstream.
Replace unit(s) that contain indicators that do not light and repeat from Step
1.
5. Replace
BCU
.
6. Press and hold
LED TEST
pushbutton on
ADU
.
7. Are all indicators listed in Table A lighted during LED test?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
8.
8. Are any of the indicators lighted during LED test?
If
YES,
then proceed to Step
4.
If
NO,
then continue with Step
9.
9. Replace
BCU
with
BCU
removed previously.
10.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Replace
ADU
. Verify that option switch settings on replacement
ADU
agree
with option switch settings on
ADU
being replaced.
11. Press and hold
LED TEST
pushbutton on
ADU
.
12. Are all indicators listed in Table A lighted during LED test?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
13.