Mounting OS6400 Switches Connecting Chassis to Power Source
OmniSwitch 6400 Series Hardware Users Guide August 2008 page 3-19
DC Power Supply Connections
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
Note. Refer to the wiring diagram for information on connecting the DC power supply to a DC power
source.
Connecting to a DC Power Source
The DC power supply on your switch contains a power connector with three (3) square slots for connect-
ing the positive, negative, and ground wires from a DC power source.
OmniSwitch DC Power Supply Connector
MIN 1 TURN PER 1.5
HALF TURN PER .75
Black
Red
Side Screws for Connector Removal
DC Power Connectors
+ -
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