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Table B-3
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B.1.4.1.1 Shelf Power
The Fuse and Alarm Panel powers up to three shelves in the frame through the FAP
connectors P1, P2, and P3.
Figure B-6
Table B-4
Connector
P1
(to top shelf in frame)
Alarm Interface Connector
Pin
Shelf Power Connector
Shelf Power Connector
Fuse Position
1
2
3
4
5
Control Shelf Connectors
Circuit Descriptions
Critical Alarm
Fuse Normally Closed
Minor Alarm
Major Alarm
Common
Test
Fuse Normally Open
Pin Numbers
Circuit Descriptions
3 and 12
+48VDC
2 and 11
48VDC return
1 and 10
+48VDC
19 and 20
48VDC return
21 and 22
+48VDC
4 and 13
48VDC return
23 and 24
+48VDC
6 and 15
48VDC return
9 and 18
+48VDC
8 and 17
48VDC return
Appendix B
B-8
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