User Manual

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ADCP-75-150 • Preliminary Issue A • March 2003 • Section 2: Description

Page 2-8

©

2003,

ADC

Telecommunications,

Inc.

Figure 2-3. Remote Unit Outdoor Cabinet

3.1 Primary Components

The

RU

outdoor

cabinet

consists

of

the

enclosure,

mounting

slots

for

the

STM

and

LPA

modules,

a

mounting

slot

for

the

either

the

WDM

or

CWDM

(accessory

item),

lightning

protector,

and

two

fiber

storage

spools.

The

RU

cabinet

is

designed

for

use

in

an

outdoor

environment.

Opening

the

hinged

door

provides

full

height

and

width

access

to

the

interior

of

the

enclosure

to

facilitate

module

and

cable

installation.

The

enclosure

is

constructed

of

heavy

gauge

aluminum

and

is

painted

putty

white

for

corrosion

protection.

Connection

and/or

entry

points

are

provided

in

the

bottom

of

the

enclosure

for

the

antenna

coaxial

cable,

fiber

optic

cable,

and

AC

power

cable.

Vent

openings

are

provided

in

the

door,

bottom,

and

rear

side

of

the

enclosure

to

permit

air

exchange

for

cooling.

The

RU

cabinet

is

weather-tight

but

contact

with

salt-air

mist

should

be

avoided

as

it

may

degrade

the

Mean

Time

Between

Failure

(MTBF)

of

the

product.

Drain

holes

in

the

bottom

of

the

cabinet

allow

any

moisture

that

does

enter

the

cabinet

to

drain

out.

The

cabinet

door

is

equipped

with

a

sturdy

latch

so

that

the

enclosure

may

be

padlocked

to

prevent

unauthorized

entry.

A

door

open

switch

is

provided

so

that

a

major

alarm

is

generated

whenever

the

cabinet

door

is

opened.

NOTE: EACH DIMENSION INCLUDES AN

ALLOWANCE FOR ANY COMPONENT THAT

PROJECTS OUTWARD FROM THE CABINET

SUCH AS THE DOOR LATCH.

18564-A

3.30 INCHES

(109 MM)

22.25 INCHES

(565 MM)

10.13 INCHES

(257 MM)

20.75 INCHES

(527 MM)