Figure 124-1. 15Ru Shelf Power Panel (Front Of Shelf) - Alcatel-Lucent 1677 SONET Link Manual

DLP-124
Do alarms exist that prevent testing?
5
Clear all alarms that prevent testing, with the exception of those resulting from
6
removal of the SSC in DLP-123, then go to step 7.
Refer to 1677 SONET Link Maintenance and Trouble Clearing manual
(PN 3EM13853AF) to clear trouble. The SSC removed in
unseated.
Enter
7
Do conditions exist that prevent testing?
8
Clear all conditions that prevent testing, then go to step 28. Refer to
9
1677 SONET Link Maintenance and Trouble Clearing manual (PN 3EM13853AF) to
clear trouble.
Are shelf power connections made directly to a CO BDFB or through a PDU-Quad?
10
Direct Power Connection to CO BDFB
Turn off A power breaker on shelf. See figures
11
WARNING
NO OPERATOR ACCESIBLE
COMPONENTS. AUTHORIZED
SERVICE PERSONEL ONLY.
4-136
If yes, go to step 6.
If no, verify in CKL-114, then go to step 7.
to verify there are no conditions present.
RTRV-COND-ALL;
If yes, go to step 9.
If no, verify in CKL-114, then go to step 28.
If CO BDFB, go to step 11.
If PDU-Quad, go to step 28.

Figure 124-1. 15RU Shelf Power Panel (Front of Shelf)

POWER A
RTN RTN
O
POWER A
-48VDC -48VDC
124-1
WARNING
POWER B
THIS PRODUCT IS EQQUIPED
WITHTWO
POWER FEEDS.
DISCONECT BOTH FEEDS
PRIOR TO SERVICE.
I O I 1677 SONET Link
3EM13850AD
Issue 01, September 2007
DLP-123 must remain
and 124-2.
RTN RTN
POWER B
-48VDC -48VDC
677-0061-1
032003
Verify Shelf Redundant Power