Mounting OmniSwitch 6450 Switches Installing External PoE Power Supplies
OmniSwitch 6450 Hardware Users Guide September 2015 page 4-13
Installing External PoE Power Supplies
The following external power supplies provided PoE and backup system power for OmniSwitch 6450
PoE-ready switches:
• PS-550W-AC-P (OS6450-P24)
• PS-900AC-P (OS6450-P48)
These power supplies may be rack mounted above or below the chassis for a 2RU configuration. The
following sections describe how to rack-mount a power supply shelf and connect the power supply to the
chassis with a cable.
Rack Mounting Power Supplies
1 Align the threaded holes in the provided rack-mount flanges with the two holes in the power supply
shelf. These holes are located on the left and right sides of the shelf.
2 Attach the flanges to the chassis using the provided Phillips-head screws. The screws slide through the
non-threaded holes from the inside of the power supply shelf and are then attached to the mounting brack-
ets using the threaded holes. Be sure to tighten each of the screws firmly using a Phillips screwdriver.
3 Carefully slide the power supply on to the power shelf and secure the power supply to the shelf using
the captive screws.
4 After the rack-mount flanges and the power supply are secured to the shelf, mark the holes on the rack
where the shelf is to be installed.
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