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DC Power Specifications
OS6250-24MD Internal DC Power Supply
The internal DC power supply has the following additional considerations. Refer to the installation steps
described in
"DC Power Supply Considerations" on page 3-22
Connect to a -48V or -60V reliably grounded DC SELV source.
•
Use common DC return connections for the DC power supplies. The DC return terminal conductor
•
should be connected to the equipment frame.
The Branch Circuit Overcurrent Protection must be rated a Maximum of 15A.
•
Use 12AWG solid copper conductors only.
•
A readily accessible disconnect device that is suitably approved and rated shall be incorporated in the
•
field wiring.
Black
MIN 1 TURN PER 1.5
HALF TURN PER .75
Red
Backup DC Power Brick
The backup DC power brick has the following additional considerations. Refer to the installation steps
described in
"DC Power Supply Considerations" on page 3-22
Connect to a -48V or -60V reliably grounded DC SELV source.
•
Use common DC return connections for the DC power supplies. The DC return terminal conductor
•
should be connected to the equipment frame.
The Branch Circuit Overcurrent Protection must be rated a Maximum of 5A.
•
Use 22AWG solid copper conductors only.
•
A readily accessible disconnect device that is suitably approved and rated shall be incorporated in the
•
field wiring.
Black
MIN 1 TURN PER 1.5
HALF TURN PER .75
Red
OmniSwitch 6250 Series Hardware Users Guide
Preliminary
Twisted pair wire (red and black) for a DC power supply
Twisted pair wire (red and black) for a DC power supply
September 2009
9/28/09
page 2-29
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