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B-12
AC and DC Power Connections
AC and DC Power Connections
Introduction This section describes the AC and DC power connections.
DC Power Cable
Pinouts
The Vanguard 7310 DC Connector pinouts
are listed in this table:
Vanguard 7330
Version 1 DC
Power Terminal
Block
The DC-powered Vanguard 7330 Version 1 has a pair of independent terminal blocks
on each power supply as shown in Figure B-2.
Figure B-2. Vanguard 7330 DC Power Terminal Block Details
Vanguard 7310 and
7330 Version 2 DC
Power Terminal
Block
The DC-powered Vanguard 7310 and 7330 Version 2 have a terminal block for each
power module.
Pin Number Description
1 -48V
2 -48V RTN
3 Chassis Ground
4 (No Connection)