001-01-000091 Rev. 000 Page3 of6
Hold the emptymounting frame firmly against the wall
or backboard in a level position and mark screw
locations for each of the eight mounting brackets
located at the rear of the frame. Theframewill be
fastened with two screws in the topmost bracket on
each side and one screw in each of the other
brackets, as shown in Figure 6.
Remove the mounting frame from the wall and drill
pilot holes for each of the marked screw locations.
Before attempting to fasten the mounting frame to the
wall, insert a screw into the top pilot hole oneitherthe
left or right side. Partially thread the screw into the
hole, leaving the screw head approximately 1/4” from
the surface.
Hold themounting frame against the wall whileresting
the cutout of the bracket onthe installed screw.Align
the other nine mounting holes and install a screw in
each hole. Tighten all ten (10) screws securely.
B. Frame grounding
Locate the ten (10) pairs of pre-installed grounding
screws with lock washers on the crossbar of the
frame. The grounding screws are 10-32 x 3/8” on 5/8”
centers.
Install a dualground lug (customer provided) with
holes on 5/8” centers beneath the included screws
and washers onone pair of grounding holes. Tighten
the screws to fasten the lug to the mounting frame.
The example in Figure 7 illustrates the frame
positioned with grounding screws facing downward.
Connect a ground wire of appropriate gauge to the
ground lug, and attach the other end of the wire to a
bonded ground point, per local procedures for network
equipment.
C. Equipment Installation
Install rack equipment with 19” hole spacing by
carefully sliding the chassis through the front of the
WR-15U and aligning chassis mounting ears with the
threaded holes in the rails of theWR-15U frame.
Insert and tighten #12-24 machine screws (customer
provided)on each side of the chassis. An example of
a fully populated wall rack is shown in Figure 2.
Attach ground lugs associated with eachequipment
chassis to the threaded ground holes on the WR-15U
crossbar as needed.
D. Optional Cable Guide Installation
To install a cable guide to the side of the mounting,
first remove the sliding cover from the cable guide.
Insert two of the #10-32 x 3/8” screws (included in
CG-5 package)through the cableguide and into the
threaded holes onthe side of the WR-15U frame
(Figure 8).
Groom cabling from the frontof the chassisto the wall
through the cable guide on the side of the WR-15U, as
shown in Figure 9, and replace the sliding cover.
