Lucent Technologies SLC 5 Series - Page 439

363-205-401 Conversions: DLP-503
Issue 7, March 1997 Page 3 of 4
20. Replace
CFU
in blue bank.
21. Unseat, then reseat
CTU
while observing
FAIL
indicator on
CTU
faceplate.
22. Does
FAIL
indicator on
CTU
light momentarily?
If
YES,
then
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If
NO,
then continue with Step
23.
23. Check wiring between
PCU
in facility shelf and
CFU
in blue bank and
between
CFU
and
CTU
using SD-7C117-01 or SD-7C117-02. Repeat proce-
dure from Step
11
after locating and correcting trouble.