Lucent Technologies SLC 5 Series - Page 133

Power Up: DLP-511 363-205-401
Page 2 of 4 Issue 7, March 1997
10. Does DMM indicate between −42 and −56 volts?
If
YES,
then proceed to Step
31.
If
NO,
then continue with Step
11.
11. Verify that wiring from power shelf to
PCU
in facility shelf is present and con-
nected properly.
12. Is wiring present and connected properly?
If
YES,
then proceed to Step
14.
If
NO,
then continue with Step
13.
13. Resolve problem through local procedures. Repeat procedure from Step
3
after locating and correcting trouble.
14. Is system being equipped with FTTH (Fiber-To-The-Home) feature?
If
YES,
then continue with Step
15.
If
NO,
then proceed to Step
18.
15. At
BFU3
or
BFU4
in optics power shelf, is fuse −
48 WHITE
, −
48 BLUE
, or −
48
CMN
blown?
If
YES,
then continue with Step
16.
If
NO,
then proceed to Step
18.
16. Replace blown fuse(s).
17. Does fuse(s) blown again?
If
YES,
then continue with Step
29.
If
NO,
then proceed to Step
8.
18. Replace
PCU
in facility shelf.
19. Is
FAIL
indicator on
PCU
off?
If
YES,
then continue with Step
20.
If
NO,
then proceed to Step
4.
20. On
PCU
, connect DMM test leads to
GND
jack and −
48
jack.
21. Does DMM indicate between −42 and −56 volts?
If
YES,
then proceed to Step
31.
If
NO,
then continue with Step
22.