Installation Manual
ADCP-75-112 • Issue 2A • June 2001
Page 8
©
2001,
ADC
Telecommunications,
Inc.
2.2 Unpacking and Inspection
This
subsection
provides
instructions
for
opening
the
shipping
boxes,
verifying
that
all
parts
have
been
received,
and
verifying
that
no
shipping
damage
has
occurred.
Use
the
following
procedure
to
unpack
and
inspect
the
DRU:
1. Open
the
shipping
carton
and
carefully
unpack
the
DRU
from
the
protective
packing
material.
2. Check
the
DRU
for
broken
or
missing
parts.
If
there
are
any
damages,
contact
ADC
Telecommunications
(see
Customer
Information
and
Assistance
section)
for
an
RMA
(Return
Material
Authorization)
and
to
reorder
if
replacement
is
required.
2.3 Frequency Band Selection Procedure (1900 MHz DRU Only)
The
1900
MHz
version
of
the
DRU
may
be
configured
to
operate
at
any
one
of
four
frequency
bands.
A
DIP
switch
is
provided
on
the
underside
of
the
DRU
for
selecting
the
required
frequency
band.
Use
the
following
procedure
to
set
the
DIP
switch
to
provide
the
required
DRU
frequency
band:
1. Determine
the
required
frequency
band
for
the
DRU
(AD,
DBE,
BEF,
or
EFC)
as
specified
in
the
system
design
plan.
2. Orient
the
DRU
as
shown
in
Figure
6
and
then
locate
the
small
opening
in
the
bottom
of
the
DHU
that
provides
access
to
the
band
select
DIP
switch.
3. Use
a
non-conductive
probe
to
align
the
DIP
switch
sliding
handles
to
provide
the
required
frequency
band
(see
Figure
6).
4. Place
the
copper
sticker
provided
with
the
DHU
over
the
small
opening
that
provides
access
to
the
DIP
switch.
Note:
The
copper
sticker
provides
EMI/RFI
shielding.
Do
not
use
some
other
type
of
material
to
cover
the
DIP
switch
access
hole.
ALIGN DIP SWITCH HANDLES AS
SHOWN ON THE LABEL TO PROVIDE
SPECIFIED FREQUENCY BAND
Fig 6-A
Figure 6. 1900 MHz DRU Frequency Band Selection