User Manual

ADCP-75-110 Issue 2B July 2001
Page 30
©
2001,
ADC
Telecommunications,
Inc.
3.
Reinstall
both
mounting
brackets
so
the
long
side
of
the
bracket
is
flush
with
the
DHU
front
panel
as
shown
in
Figure
15.
Use
the
screws
removed
in
step
2
to
re-attach
the
brackets
to
the
DHU
enclosure.
16426-A
REMOVE AND REINSTALL MOUNTING
BRACKETS AS SHOWN FOR
INSTALLATION IN 23-INCH RACKS
Figure 15. Installing the Mounting Brackets for 23-Inch Rack Installations
4.
Position
the
DHU
in
the
designated
mounting
space
in
the
rack
(per
system
design)
and
then
secure
the
mounting
brackets
to
the
rack
using
the
four
machine
screws
provided
(use
#12-24
screws
or
M6
x
10
screws,
whichever
is
appropriate)
as
shown
in
Figure
16.
Note:
Provide
a
minimum
of
3
inches
(76
mm)
of
clearance
space
on
both
the
left
and
right
sides
of
the
DHU
for
air
intake
and
exhaust.
16165-A
Figure 16. DHU Rack Mount Installation