Lucent Technologies SLC 5 Series - Page 318

RT Turn Up: DLP-511 363-205-401
Page 2 of 2 Issue 7, March 1997
11.
!
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
with a correctly optioned
ADU
.
Reference: DLP-505, DLP-506, DLP-507
12. Wait 20 seconds and then reseat
TCU
while observing
FAIL
indicator on
TCU
faceplate.
13. Did
FAIL
indicator on
TCU
light momentarily?
If
YES,
then proceed to Step
16.
If
NO,
then continue with Step
14.
14.
!
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
with
ADU
removed previously.
15. Check wiring between
PCU
in AB shelf and
TCU
using SD-7C117-02. Repeat
procedure from Step
2
after locating and correcting trouble.
16. Did
FAIL
indicator on
TCU
go off and remain off?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
17.
17. Replace
TCU
while observing
FAIL
indicator on
TCU
faceplate.
18. Did
FAIL
indicator on
TCU
go off and remain off?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
19.
19. Replace
TCU
with
TCU
removed previously.
20. Check wiring using SD-7C117-02. Repeat procedure from Step
2
after locat-
ing and correcting trouble.