Clear-Com PS-10, PS-10K Instruction And Service Manual

PS-1

0/PS-1

OK

Power

Supply

INSTRUCTION

and

SERVICE

MANUAL

Cv)Clear-Conm®

Intercom

systems

ALSO

INCLUDES:

RS-100A

Belt-Pack

Operating

Instructions

*

11111

7th

Street

*

San

Francisco,

California

94107

*

415-861-6666

CLEAR-COM

810011

10/10K/9-83

Rev.

A

PS-10/PS-10K

Operating

Instructions

Table

of

Content:

I

The

Clear-Com

Concept

.....................

1

II

Introduction

to

the

PS-10

................

1

Interfacing

with

Other

Systems

.--

2

III

System

Interconnection.

5

220

VAC

Operation.

6

IV

Trouble-Shooting

...............

8..........8

V

Warranty

&

Maintenance.

9

VI

Specifications.

9

RS-LOOA

BELT-PACK

OPERATION

MANUAL

.

.

11

Illustrations

Front

View/Rear

View

of

PS-10

.

.

3

Dual

Power

Supply

Interconnection.

.

7

Daisy

Chain

System

.

.

7

Loop-Through

System

.

.

7

PS-10

Schematic

.

..

i an

I.

The

Clear-Com

Concept

Clear-Com

is a closed-circuit

in-

amplifier

(for

headset

or

speaker),

tercom system

that

provides

highly

and

signalling

circuitry.

intelligible,

two-way

communications

ability

in

high-

and

low-noise

en-

Clear-Com

intercoms

feature

"Auto-

vironments.

A

basic

system

con-

matic

Headset

Detection;"

this

sists

of

a

Power

Supply

or

Main

shuts

off

any

station's

mic

preamp-

Station

connected

to

various

Remote

lifier

when

the

mic

or

headset

is

Headset

or

Speaker

Stations.

disconnected-

Therefore

an

unused,

on-line

mic

never

adds

background

Clear-Com

manufactures

a

wide

range

noise

to

the

line.

Low-impedance

of

portable,

rackmount,

and

custom-

mic

input

lines

(200

ohms)

make

mount

intercom

stations.

All are

Clear-Com

channels

virtually

immune

compatible

and

will

interface

with

to

RF

and

dimmer

noise.

Remote

a

variety

of

other

communications

Stations

bridge

the

intercom

line

systems.

at a very

high

impedance

and

place

a

minimum

load

on

the

line.

Audio

Most

Clear-Com

intercoms

intercon-

level remains

constant,

and

never

nect

with

two-conductor

shielded

fluctuates

when

stations

leave

or

microphone

cable

that

is

input

to

join

the

system.

the

stations

with

3-pin, XLR

audio

connectors.

One

wire

in

the

cable

The 28-32

volts

DC

provided

by

the

carries

DC

power

(28-32

volts)

from

Power

Supply

or

Main

Station

enable

the

Power

Supply

or

Main

Station

to

the

Remote

Stations

to

operate

with

the

Remote

Stations,

and the

other

minimal

current

(headset

stations,

wire

carries

the

audio

signal.

The

10

ma

quiescent;

speaker

stations,

shield

acts

as

common

ground.

Only

20

ma

quiescent)

while

generating

one

termination

is

needed

through-

loud

listen

levels

(greater

than

out

the

intercom

system,

and

that's

110

dB

SPL).

The

higher

voltage

accomplished

by

one

of

the

Power

and

low

current

keep

voltage

losses

Supplies

or

Main

Stations

with-

to

an

absolute

minimum

in long

in

the

system.

lines.

If

the

voltage

drops

due

to

the

addition

of

extensive

cabling

Clear-Com

is a

distributed

ampli-

or

many

more

stations,

Clear-Com

fier

system,

which

means

each

Main

equipment

will

continue

operating

Station

and

Remote

Station

contains

normally

with

less than

12

volts

its

own

mic

preamplifier

power

available.

II.

INTRODUCTION

TO

THE

PS-10

POWER

SUPPLY

The

PS-10

is a single-channel

power

for

the

entire

system;

its

rear

supply

available

as

a

portable

(PS-

panel

provides

a

termination

on/off

10)

or a 3-1/2"

rack-mount

unit

switch.

(PS-10K).

Designed

to

operate

with

all

Clear-Com

single-channel

Remote

The

PS-10

features

a

circuit

break-

Stations,

the

PS-10

is

especially

er

that

protects

the

power

supply

suited

for

use

with

smaller

inter-

from

damage

caused

by

faulty

or

con

systems.

It

supplies

the

power

shorted

cable.

If a

short

occurs

(28

volts

DC

at

0.6

amps)

to

sup-

the

circuit

breaker

on

the

PS-10

port

a

maximum

of

15

headset

sta-

front

panel

will

pop

out,

and

the

tions

or 5 speaker

stations.

red

LED

labelled

"short"

will

glow.

Once

the

short

is

removed,

pressing

The

PS-10

terminates

the

audio

line

the

circuit-breaker

button

automa-

=I.

Introduction

to

the

PS-10

Power

Supply,

continued

tically

re-sets

the

system.

the

power

supply's

location

(e.g.,

stage

manager's

or

director's

posi-

The PS-10

front

panel

provides

an

tion).

In

addition,

the

rear

panel

XLR-type,

3-pin

male

connector

for

provides

three

connectors

for

out-

convenient

output

to

an

intercom

at

put

to

the

Remote

Stations.

INTERFACING

WITH

OTHER

SYSTEMS

The

Clear-Com

AC-1O

"Adapt-A-Com"

the

headset

jack

of a TV

camera

is

a

universal

adapter

that

control

unit-

interfaces

the

Clear-Com

intercom

system

with another

intercom

or

Our

AC-10H

operates

with

telephone

communications

link/device.

The

systems

and

provides a holding

coil

AC-10

guarantees compatibility with

feature.

This

facilitates

on-line

virtually

any

in-house

intercom

you

communication

via standard

tele-

may

already

have,

be

it a 2-,

3-,

phones

and aids in

direct com-

or

4-wire

system.

munication

between

the

director

and

remote intercom

users

via

2-

or

4-

Because

it

will

simulate a carbon wire

dedicated

TELCO

pairs.

mic, the

AC-1O

can

be

plugged

into

2