OmniSwitch 6400 Series Chassis and Hardware Components DC Power Specifications
OmniSwitch 6400 Series Hardware Users Guide August 2008 page 2-29
DC Power Specifications
In addition to the installation steps described in “Connecting a Power Supply to the Chassis” on page 3-12
and “Rack Mounting Power Supplies” on page 3-14 DC power supplies have the following additional
considerations:
• Connect to a -48V 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 conductors only.
• A readily accessible disconnect device that is suitably approved and rated shall be incorporated in the
field wiring.
Twisted pair wire (red and black) for a DC power supply
MIN 1 TURN PER 1.5
HALF TURN PER .75
Black
Red
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