APC SYPM2KU Installation Manual download pdf (Page 16)

Determine the Location of the Symmetra RM in the Rack

1. Select a location for the Symmetra RM in your NetShelter enclosure or other 19-inch (46.5 cm) rack.

Select a location with adequate air flow that is free from excessive dust. Ensure that

the air vents on the sides of the Symmetra are not blocked.

• The Symmetra RM is heavy. Select a rack location sturdy enough to handle the weight. Mount the unit

at or near the bottom of the rack.

• Do not operate the unit where temperature or humidity are outside the limits listed in Specifications in

the S

YMMETRA RM OPERATION MANUAL.

• The Symmetra RM occupies a space of 8U. Some racks have tick marks to indicate the U-spaces.

2. Prepare the rack holes, if necessary. Racks with threaded holes require no preparation.

Locate the designated U-space and, counting from

the bottom, mark holes 3, 18, and 22 on each front

post.

If your rack has round holes, insert clip nuts

(provided ) into the marked holes.

If your rack has square holes, insert either clip

cage

nuts into the marked holes (cage nut

shown).

These nuts will support the ornamental screws that

attach the unit to the rack.

Install the Mounting Rails in the Rack

1. Loosen the three (3) screws  that hold

the rails together so that the rails can slide

outward. Do not detach the rails.

2. Align the bottom hole on the mounting

rail with the fifth hole (counting from the

bottom) in the U-space. Use the flat,

Phillips head screws (10-32) and conical

washers to attach the front rail to the rack.

Expand the rails so that it spans from the

front rack post to the back rack post.

3. Attach the rail to the back rack post using

the same hardware (10-32 flat head

screws and conical washers) used in step

2. Repeat the process for the other rails.

4. Tighten the three (3) screws, loosened in

step 1, to secure the rails.



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APC SYPM2KU Installation Manual Page 16