User manual

Connector Pinouts
DC Power Connectors
A-2 July 2004 Wide Bank 28 DS3 - Release 2.4
DC Power Connectors
The A and B power connectors are identical, and both must be supplied with –48 VDC if the Wide Bank
is operating as a redundant system.
Figure A-1 Power Connector Pinout
Table A-1 Power Connector Pinout
Pin
Position
Signal
Top (C1) Telco or safety ground
Middle (C2) DC return, to power supply + terminal
Bottom (C3) Power Converter/Battery Charger, or
other –42 to –58 VDC power source
Negative (-) Battery
(C3)
P6
B
P5
A
Chassis Ground
(C1)
Battery Return (+)
(C2)