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363-205-401
Conversions: DLP-507
Issue 7, March 1997
Page 9 of 12
13. Did FAIL indicator on LIU light momentarily?
If YES, then proceed to Step 26.
If NO, then continue with Step 14.
14. Replace LIU with correctly optioned LIU while observing FAIL indicator on LIU
faceplate.
15. Did FAIL indicator on LIU light momentarily?
If YES, then proceed to Step 26.
If NO, then continue with Step 16.
16. Replace TRU associated with LIU. (TRU in AB shelf for LIUs A, B, or P. TRU
in CD shelf for LIU C or D.)
17. Replace LIU with LIU removed previously while observing FAIL indicator on
LIU faceplate.
18. Did FAIL indicator on LIU light momentarily?
If YES, then proceed to Step 26.
If NO, then continue with Step 19.
19. Unseat LIU.
Table E
LED Indicators for Digroups CD
System Configuration
LIU
(Note)
ADU
BCU
Digroups CD (and P)
to be Equipped
Protection
Feature Package ( )
MJ
MN
NE
C
D
When Adding
Protection
A, B Mode 1, or C
C
on
on
off
on
D
off
on
on
off
P
off
off
B Mode 2 or D
C
off
on
on
off
off
P
off
off
When Not Adding
Protection
A, B Mode 1, or C
C
on
on
off
on
D
off
off
off
B Mode 2 or D
C
off
off
off
off
Note: LIU to be installed