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Power connectors
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System clock connectors
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Interface connectors
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IMT connectors
B.2.1 Extension Shelf Backplane 04
Figure B-34
B.2.2 Power Connectors
The extension shelf backplane provides –48VDC power and return to all card
positions. The power is divided into parts A and B and brought to the shelf from the
Fuse and Alarm Panel (FAP) using two cables. The power connectors on the
extension shelf backplane are DB-26 high density connectors with two pins per power
connection to handle the current load.
J1, J4 on Extension Shelf backplane 01
J1, J4, Primary and J45, J46 Secondary on Extension Shelf backplane 03
Extension Shelf Backplane 04
Appendix B
Extension Shelf
B-38
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