RTS BP300 Manual de servicio descargar pdf (Pagina 5)

CP-300

and

TW-12

Description,

continued

The

belt-pack

provides

a

sidetone

The

TW-12

can

also

be

used

to

link

0

adjustment,

which

allows

the

user

the

Clear-Com

System

with

a

two-

to

vary

the

level

of

his/her

voice

wire,

two-channel

intercom

system

(full

on

to

25

dB

null)

as

heard

in

(e.g.

RTS's

"TW"

System).

The

the

headset.

This

control

need

be

Interface

supports

RTS

BP-300

belt-

set

just

once,

if

at

all,

even

if

packs

as

well

as

Clear-Com's

CP-300

other

intercom

stations

join

or

belt-packs.

leave

the

intercom

network.

When

the

TW-12

is

used

to

link

a

TW-12

Clear-Com

System

with

a

two-wire

The

TW-12

Interface

connects

be-

two-channel

system,

the

number

of

tween

the

CP-300

Belt-Pack(s)

and

a

intercom

stations

that

may

be

con-

standard

Clear-Com

Power

Supply

or

tained

within

both

systems

is

only

Main

Station.

Its

function

is

to

limited

by

the

capacity

of

the

translate

audio

line

levels

and

power

supplies

in

the

respective

call

signal

I i

ng,

and

to

modulate

systems.

one

of

the

two

audio

channels

onto

the

DC

power

line.

The

TW-12,

The

ability

of

the

TW-12

to

support

which

is

in

a

space-saving

rack-

intercom

stations

is

only

limited

mount

chassis

(1.75"

high),

con-

when

it

functions

as

support

for

a

tains

no

operational

controls

ex-

stand-alone

two-wire,

two-channel

cept

for

a

Mode-Select

toggle

system.

The

TW-12

supports

up

to

switch.

ten

(10)

two-channel/two-wire

in-

,tercom

stations

with

signal

ling

or

The

TW-12*

translates

levels

and

up

to

16

such

intercoms

without

the

voltages

from

two

separate

Clear-

signalling

function

(Clear-Com

CP-

Com

channels,

and

provides

the

two-

300,

RTS

BP-300,

or

equivalent).

W

wire,

two-channel

output

on

mic

cable.

An

auto-termination

feature

The

TW-12,

once

set

up,

is

transpa-

prevents

oscillation

in

partially-

rent

to

the

intercom

users.

Its

connected

systems.

The

TW-12,

one

control

is

a

toggle

switch

that

which

typically

receives

its

power

selects

between

internal

termina-

through

the

connection

to

Clear-

tion

(for

"TW"

belt-packs)

or

ex-

Com,

translates

the

visual

call

ternal

termination

(for

interfacing

signalling

between

the

two

systems

with

an

RTS-type

power

supply).

(tone

to

DC

&

vice

versa).

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