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EK-DEHUX-IN-001

May 1991

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Document:	Installing the DEHUX Wall Mount Plate and Cover
Order Number:	EK-DEHUX-IN
Revision:	001
Pages:	12
Original Filename:

OCR Text

Installing the DEHUX Wall Mount Plate
and Cover
Order Number EK-DEHUX-IN-001

Digital Equipment Corporation

February, 1991
The information in this document is subject to change without notice and should not
be construed as a commitment by Digital Equipment Corporation. Digital Equipment
Corporation assumes no responsibility for any errors that may appear in this document.
The software described in this document is furnished under a license and may be used or
copied only in accordance with the terms of such license.
No responsibility is assumed for the use or reliability of software on equipment that is not
supplied by Digital Equipment Corporation or its affiliated companies.
Restricted Rights: Use, duplication, or disclosure by the U. S. Government is subject to
restrictions as set forth in subparagraph ( c ) ( 1 ) ( ii ) of the Rights in Technical Data and
Computer Software clause at DFARS 252.227–7013.
Copyright © Digital Equipment Corporation 1991
All Rights Reserved.
Printed in U.S.A.
The following are trademarks of Digital Equipment Corporation: DEC, DECbridge,
DECconnect, DEChub, DECnet, DECserver, Digital, LAT, ThinWire, and the DIGITAL
logo.
This document was prepared and published by Educational Services Development and
Publishing, Digital Equipment Corporation.

Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wall Mount Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Office Partition Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Patch Panel Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1
1
1
5
5
5
8
8

Figures
1
2
3

Wall Mount Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Backplane on the Wall Mount Plate . . . . . . . .
Installing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2
4
7

iii

Installing the DEHUX Wall Mount Plate and Cover

Introduction
The DEHUX wall mount plate and cover option is for use with the
DEChub 90 Ethernet Backplane. The wall mount plate holds the
backplane, standard 19" rack mount patch panels and the cover. This
option is used to mount the DEChub 90 on a wall or office partition. The
wall mount plate comes with the hardware required to mount the unit on
a solid wall, hollow wall, or office partition. This guide tells you how to
install the DEHUX wall mount plate and cover.

Installation
When picking a location for the wall mount plate the weight of the
plate, backplane, and cables must be considered. The total weight of the
DEHUX wall mount plate and cover and the DEChub 90 backplane with
power supply and eight modules is approximately 45 pounds.

Wall Mount Installation
1. Locate the wall mount plate (Figure 1), and and have someone hold
it in place against the wall. To place the LED indicators of the Work
Group units at eye level it is recommended that the top of the wall
plate be approximately 63 inches from the floor.
NOTE
Note that there are eight slotted mounting holes in the wall
mounting plate, use the four nearest the corners for stability.
The others are to be used if the unit cannot be securely
fastened to the mounting surface using the four corner holes.
2. Mark the four slotted mounting hole locations on the wall and set the
wall mounting plate aside.

2 Installing the DEHUX Wall Mount Plate and Cover

LJ-00572-TI0.DG

Figure 1

Wall Mount Plate

Installing the DEHUX Wall Mount Plate and Cover

3. Select the appropriate fastener for the mounting surface.
The supplied wood screws can be used when the mounting surface is
wood that is a minimum of 3/8" thick.
The supplied hollow wall fasteners can be used when the mounting
surface is a hollow wall that is a maximum of 5/8" thick.
4. Using the selected fastener prepare to hang the wall mounting plate.
Wood Screws:
a. Using a 7/64 inch bit drill pilot holes at the locations marked on
the wall.
b. Screw the wood screws into the pilot hole until the screw head is
1/4 inch from the surface of the wall.
Hollow Wall Fasteners:
a. Using a 7/16 inch bit drill pilot holes at the locations marked on
the wall.
b. Insert the hollow wall fasteners in the pilot holes and set in place
by tightening the screws.
c.

Unscrew each mounting screw until the screw head is 1/4 inch
from the wall.

5. Set the slotted holes of the wall mount plate over the heads of the
screws, and slide down until the screws contact the top of the slots.
6. Tighten the mounting screws.
7. Place the backplane over the four hooks on the wall mount plate, and
press down until the backplane locks into place as shown in Figure 2.
Refer to the DEChub 90 Ethernet Backplane Owner’s Manual (EKDEHUB-OM) for more information on installing the backplane.

4 Installing the DEHUX Wall Mount Plate and Cover

LJ-00316-TI0

Figure 2

Installing the Backplane on the Wall Mount Plate

Installing the DEHUX Wall Mount Plate and Cover

Office Partition Mounting
1. Locate the office partition brackets and four (4) #6 screws that came
with the wall mount plate.
2. Attach the office partition brackets, using the #6 screws, to the wall
mount plate.
3. Hang the wall mount plate on the office partition.
4. Attach the backplane to the wall mount plate as shown in Figure 2.
Refer to the DEChub 90 Ethernet Backplane Owner’s Manual (EKDEHUB-OM) for more information on installing the backplane.

Patch Panel Installation
The patch panel may be Digital Equipment Corporation supplied or
customer supplied. The DEHUX mounts will accept a variety of standard
19 inch panels with a maximum height of 10½ inches. This provides
space for two standard 5¼ inch or 3½ inch high patch panels. Each panel
is secured to the mounting brackets using four screws. The left hand
mounting bracket pivots to allow access to the back of the installed patch
panels without fully removing the patch panel(s). Cables are dressed
down the left side using cable-ties and the loops stamped in the hinged
mounting bracket.

Installing the Cover
The DEHUX cover is an attractive office environment compatible
enclosure providing protection and security for the backplane and
installed components. After you are finished installing and cabling the
Work Group units you can install the cover as shown in Figure 3. For
security the cover has two holes in its lower left and right corners that
align with two holes in the wall mount plate. You can use a lock or some
other device to lock the cover in place.
To install the DEHUX cover:
1. Place the cover over the wall mount plate, backplane, and distribution
panels.
2. Slide the cover down until the top back edge of the cover catches on
the top lip of the wall mount plate.
The cover can be locked to the wall plate using holes located at the
lower left and lower right of the cover.

6 Installing the DEHUX Wall Mount Plate and Cover

3. Mark the location label and slide it in to the slots on the top of the
cover.

Installing the DEHUX Wall Mount Plate and Cover

LJ-00570-TI0.DG

Figure 3

Installing the Cover

8 Installing the DEHUX Wall Mount Plate and Cover

Specifications
Component Weights
DEHUX wall mount panel

5.45 kg (12 lb)

DEHUX cover

4.55 kg (10 lb)

Mounting Area
Height

73.66 cm (29 in)

Width

54.61 cm (21½ in)

Required Clearances
Top and Bottom

30.48 cm (12 in)

Sides

2.54 cm (1 in)

Front (outward from wall)

62.23 cm (24½ in)

Parts List
Quantity Description
1

DEHUX wall mount plate

DEHUX cover

Location Label

Partition hangers

8-32 x 5/16" machine screws

10 x 1" wood screws

3/16 x 2" hollow wall fasteners

10-32 x 1/2" machine screws

10-32 U-nuts