Lucent Technologies SLC 5 Series - Page 312

RT Turn Up: DLP-509 363-205-401
Page 2 of 4 Issue 7, March 1997
9. Use SD-7C117-01 or SD-7C117-02 to check wiring. Repeat procedure from
Step
2
after locating and correcting trouble.
10. Condition DMM to measure volts DC.
11. On
PCU
faceplate, connect DMM test leads to
GND
jack and −
48
jack.
12. Does DMM indicate between −42 and −56 volts?
If
YES,
then proceed to Step
26.
If
NO,
then continue with Step
13.
13. Verify that wiring from power shelf to
PCU
in AB shelf is present and con-
nected properly.
14. Is wiring present and connected properly?
If
YES,
then proceed to Step
16.
If
NO,
then continue with Step
15.
15. Resolve problems through local procedures. Repeat procedure from Step
2
after locating and correcting trouble.
16. Is system being equipped with FTTH (Fiber-To-The-Home) feature?
If
YES,
then continue with Step
17.
If
NO,
then proceed to Step
20.
17. At
BFU3
or
BFU4
in optics power shelf, is fuse −
48 WHITE
, −
48 BLUE
, or −
48
CMN
blown?
If
YES,
then continue with Step
18.
If
NO,
then proceed to Step
20.
18. Replace blown fuse(s).
19. Does fuse(s) blown again?
If
YES
, then continue with Step
25
.
If
NO
, then proceed to Step
11
.
20. Replace
PCU
.
21. Is
FAIL
indicator on
PCU
off?
If
YES,
then continue with Step
22.
If
NO,
then proceed to Step
6.
22. On
PCU
faceplate, connect DMM test leads to
GND
jack and −
48
jack.