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EWB 112 • Installation Guide (Continued)
Installation
Run cables to the wall box. You can use any of the four openings with a surface
raceway. The raceway must be purchased separately.
Knockout Covers
The rear panel has four covers that can be removed to fill the unused openings. Two of
the four covers contains a nested knockout that can be removed to provide a smaller
opening to match the profile of smaller raceways or cables.
The four openings (without covers) are 1.28" x 0.77" (33 mm x 20 mm).
•
The nested knockouts are 0.7" x 0.5" (18 mm x 13 mm).
•
Install the covers by following these instructions.
1.
Remove the cover, using small wire cutters to cut the plastic attaching the cover to
the wall box (
).
1
2.
If required, use the wire cutters to remove the nested knockout.
3.
Ensure the cover is in the correct orientation and slide it into place (
Wall Mounting
1.
If required, locate the center of a wall stud and hold the wall box
where it will be mounted.
2.
Mark the position of the four wall mounting holes (see figure 4). Wall
studs should be used where possible. If they are not available, use
appropriate fasteners to secure the screws.
3.
Select a suitable fastener and drill pilot holes in the wall (see the
wall mounting holes table
4.
If required, insert a grounding screw (not provided, see
and
on the previous page).
E
Fasten the wall box to the wall.
5.
6.
If required, install a cable raceway to manage the cables.
Completing the Installation
1.
Run and connect cables to the device, following the instructions in
the device user guide.
2.
Mount the device (see figure 5) using the #6-32 screws provided
with the device and following the instructions in the device user
guide.
For information on safety guidelines, regulatory compliances, EMI/EMF compatibility, accessibility, and related topics, see the
Extron Safety and Regulatory Compliance Guide
2
on the previous page).
figure
on the Extron website.
© 2018 Extron Electronics — All rights reserved.
All trademarks mentioned are the property of their respective owners.
).
2
Figure 3.
M3
3.28"
83 mm
2,
D
4 x 0.18" Ø
(4.7 mm)
Mounting Holes Dimensions
Figure 4.
6 - 3
2
# 6
EWB 112
MLC Plus 100
Completing the Installation
Figure 5.
www.extron.com
1
Use small wire
cutters to remove
knockout cover.
2
Slide knockout
cover onto slots.
Covering Knockouts
4 x #6-32
6-32
2 x 0.15" Ø
(3.8 mm)
2.10"
e
53 mm
#6
2.89"
73 mm
E
E
A Y
P L
D I S
M E
L U
V O
n
t r o
E x
Faceplate
68-3293-01 Rev. A
10 18
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