RTS BP300 Instrukcja Obsługi Pobierz pdf (Strona 8)

SYSTEM

INSTALLATION,

continued

TW-12

Set-Up

The

TW-12

provides

two

male

and

two

female

3-pin,

XLR

conned-

tors

for

input

and

extension

of

Clear-Com

channels

A

and

B,

plus

a

third

set

of

XLR

connectors

for

use

with

the

two-

channel/two-wire

end

of

the

system.

For

all

connections,

use

standard

two-conductor

shielded

mic

cable.

See

Figure

3.

The

TW-12

rear

panel

pin-out

assignments

are:

Clear-Com

System

Connectors:

System

Interface

Connectors:

Pin

1:

Common

Pin

1:

Common

Pin

2:

+VDC

Pin

2:

+VDC

and

Ch

A

Audio

Pin

3:

Intercom

Audio

(Ch

A

or

B)

Pin

3:

Ch

B

Audio

The

TW-12,

once

set

up, is

transparent

to

the

user.

It

has

only

one

control

on the

front

panel:

a

toggle

switch that

selects

between

the

internal

or

external

termination

mode.

Set

this

switch

to

the "2-Channel

Station"

position

to

sup-

port

TW-type

belt-packs

(internal

termination);

or

set

it

to

the

"System

Interface"

position

for

interfacing

the

Clear-Com

System

with

a

TW-type

system

that

includes

its

own

power

supply

(external

termination).

CP-300

Loop-Through

Interconnection

Regardless

of

its

operation

mode,

the

CP-300

has

a

3-pin

male

connector

labelled

"extension"

to

provide

an

internal

loop-

0

through.

This

allows

you

to

daisy-chain

CP-300's

or

similar

stations

along

one

stretch

of

cable.

All

stations

using

the

loop-through

MUST

be

in

the

same

operation

mode

(one

channel

or

two-channel).

NOTE:

To

prevent

shock

hazard,

ground

loops,

and

noises,

NEVER

connect

Pin 1

(common)

directly

to

the

station

chassis.

In

addition,

never

connect

Pin 1

to

the

shell

of

the

mic

cable.

cv~~~~~~~~fR

711

.~~~~~~~~~~~~~~_1 7-r

45

T__/F~r

sfUea_

(t',5

/,

_t44

201

)d

0

K~~~~~~~~~~~~~

(402

60)

Figure

3:

TW-12

Interface

5

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