Installation Manual
ADCP-75-112 • Issue 2A • June 2001
Page 10
©
2001,
ADC
Telecommunications,
Inc.
16450-A
VERTICAL MOUNT
HORIZONTAL MOUNT
NOTE: THE DRU FRONT PANEL MAY ALSO BE
ORIENTED DOWNWARD FOR VERTICAL MOUNT
Figure 5. DRU Mounting
2.5 Antenna Mounting Procedure
Various
types
of
antennas
are
available
from
ADC
for
use
with
the
DRU.
All
antennas
include
a
6-foot
(1.8
m)
long
50-ohm
coaxial
cable
for
connection
to
the
DRU.
Each
type
of
antenna
provides
a
specific
coverage
pattern
in
order
to
accommodate
the
shape
of
the
area
where
coverage
is
required.
Mount
the
antenna
in
the
location
specified
in
the
system
design
and
orient
according
to
the
coverage
pattern
required.
Note:
To
comply
with
Maximum
Permissible
Exposure
(MPE)
requirements,
antennas
must
be
installed
to
provide
at
least
20
centimeters
(8
inches)
of
separation
from
all
persons
per
FCC
47
CFR
Part
2.1091.
2.5.1 800 and 1900 MHz Ceiling-Mount Omnidirectional Antenna
The
800
and
1900
MHz
ceiling-mount
omnidirectional
antennas
are
designed
to
mount
in
the
center
of
the
coverage
area.
Mount
the
ceiling-mount
omnidirectional
antenna
as
shown
in
Figure
8
and
as
described
in
the
following
procedure.
1. Remove
ceiling
tile.
2. Drill
1-inch
(25
mm)
hole
in
center
of
tile.
3. Insert
antenna
cable
through
hole.
4. Insert
threaded
stud
on
base
of
antenna
through
hold.
5. Secure
antenna
to
ceiling
tile
with
nylon
jam
nut.
6. Replace
ceiling
tile.
7. Route
antenna
cable
to
DRU.