Lucent Technologies SLC 5 Series - Page 217

363-205-401 Power Up: DLP-530
Issue 7, March 1997 Page 5 of 6
17. Has
PCU
been replaced?
If
YES,
then proceed to Step
19.
If
NO,
then continue with Step
18.
18. Replace
PCU
and repeat procedure from Step
3
.
19. Use SD-7C150-01 to check RT optics power shelf wiring between
TB1
and
BFU1/BFU2
and between
BFU1/BFU2
and the
PCU
. Repeat the procedure
from Step
11
after locating and correcting the source of trouble.
20. Trouble in wiring between bulk power source and optics power shelf. Repeat
the procedure from Step
11
after locating and correcting the wiring trouble.
21. Has voltage been checked at all
PCU
s?
If
YES,
then proceed to Step
23.
If
NO,
then continue with Step
22.
22. Go to next
PCU
and repeat procedure from Step
11
.
23. Disconnect DMM test leads.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.