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Crestron CEN-UPS1250 Uninterruptible Power Supply
NOTE: Reliable earthing of rack-mounted equipment should be maintained.
Particular attention should be given to supply connections other than direct
connections to the branch circuit (e.g. use of power strips).
1. Install the rack mount rails (refer to illustration below).
2. Install the rail cleats (refer to illustrations on the following page).
3. Install the rack mount ears (optional).
CAUTION: Rack mount ears should not be used alone to support the unit. Rack
mount rails should always be used to support the unit’s weight when it is mounted in
a rack.
NOTE: Rack mount ears are required only if you want to lock the unit to the front
of the rack to prevent front to rear movement.
4. Slide the unit into the rack so that the cleats mounted on the side of the unit
fit within the track of the rack mount rails. If the ears were mounted, screw
the mounted ears into the rack to lock the unit into position.
NOTE: Avoid placing other components directly on top of or behind the unit. Leave
at least one inch of space on all sides to allow for proper air ventilation. Do not block
the vents or fan.
Installing Rack Mounting Rails
Screws (10) #10-32 x ½"
(2020255)
Front
Rear
Screws (10) #10-32 x ½"
(2020255)
Left Rail Assembly
(2020250)
Right Rail Assembly
(2020251)
Operations & Installation Guide – DOC. 6635A Uninterruptible Power Supply: CEN-UPS1250 • 13