Telex Audiocom SPS-2000 User manual

-er

CAT.

9000-7333-00

MADE

USA

90.20

VAC

2AAMP

CHN

CONNECT

T0lNlERCOMSYSTEM

COMWNENlREFERTO

CAUTION

OPERATIONMANUAL

T0REOUCERlSK OF

FIRE. REPL4CEWlTH

SAME TYPE

B/I

ZSOV FUSE

LlNE LEVEL

VRMS

GENERAL

The Audiocom SPS-2000isatwo-channelintercompowersupply with

speaker,that occupiesonly 112-rackspace. This unit provides power to

two channelsfor US-2000User Stationsandcontainsa two-input

poweredspeaker. Interna1switchandjumper settings allowthe unit to

be usedwith Clear-ComBcomponents, if desired. Other internalswitch

andjumper settings allowthe unitto be uniquely configured to the

operator's requirements.

Clear-Comisa registeredtrademark of Clear-ComlntercomSystems

OPERATION

EXTERNALCONNECTIONS

CONTROLS

NOTE:

The numbers refer to the callouts in Figure

Volume

Control

Use this control to simultaneously adjust the speaker level for both

speaker inputlines.

ChannelPower Status Indicators

Theindicatorsare greenfor normaloperationandchangeto redif their

is a short circuit or overload condition on a power output line. If an

indicator turns red, either disconnectthe correspondingchannel con-

nector or turn off the intercomSystem and locatethe problem before

resumingoperation.

ßeset

The power status indicators will remain red after sensing a problem,

untilpower is removedfrom the SPS-2000 or reset is pressed. Press

ßesetafter the problemhas been resolvedor the appropriate channel

connector hasbeendisconnected.

AC Power lnlet

Connectsthe unitto an AC line and holdsthe linefuse.

SPEAKER

InputJacks

Thesejacks can be connectedto the SPEAKER outputs of a US-2000

or ES-4000station.They mayalso beusedto connect audio inputfrom

some other line-level program source (an auxiliary output from a radio

or tape player for example).

CHN

and

CHN

lntercomChannelConnectors

These connectors carry power to intercom User stations and provide

channel termination for the audio signal.

INTERNALSWITCHES AND JUMPERS

There are several internalswitches andjumpers that affect operation.

These are described below.To gain accessto the switches andjumpers,

remove one screw from the top Cover and two screws on each side.

Switch and jumper locations are shown in Figure2.

BalancedIUnbalanced Switch(S200)

Set this switch to the balanced (BAL) positionto use the US-2000with

Audiocom intercomchannels. Set the switch to the unbalanced (UNBAL)

positionfor use with a Clear-ComBintercom System. (The factory default

setting isthe balanced positionfor use with Audiocom.)

Jumpers

Table

Jumper FunctionsandSettings

JUMPER

NUMBER JUMPER FUNCTION

AudiocomTermination Select*

Pins

1&2

shorted:Audiocom line termination

Pins

2&3

shorted: No Audiocom linetermination

DEFAULT

SETTING

Pins

1&2

shorted

Only one set of jumpers (either W102 through W402, or W101 through

W401) should be in the "pins 2&3 shorted" position at any time.

W101, W201,

W301, W401

RTSTerminationSelect*

Pins

1&2

shorted: RTS line termination

Pins

2&3

shorted: No RTS linetermination

Pins

2&3

shorted

Figure2. Interna1Switchesand Jumpers

CONNECTOR PINCONFIGURATIONS

Speaker Inputs

Type: RCA PhoneJack

Tip: Speakeroutput high

Sleeve:Common

lntercomChannelConnectors

Type: XLR-3M

Audiocom Mode (Internalswitch S200set to BALposition)

Common

Pin2 +24 VDC output andaudiotermination

Pin3 +24 VDC output andaudiotermination

Clear-Com Mode (Internalswitch S200set to UNBALposition)

Common

Pin 2 +24 VDC output and audiotermination

Pin 3 Audiotermination

SPECIFICATIONS

GENERAL

OutputVoltage:

24f1VDC

OutputCurrent:

2A at 21

1VDC

Output Impedance:

150Rf5%, unbalanced

300Rf10%, balanced

InputPower Requirements:

92 to 255 VAC, 50to 400 Hz

EnvironmentalRequirements:

0°C to 50°C; 0%to 95% humidity,non-condensing

Dimensions:

1.75" (44.5 mm)

8.25" (209.5 mm) W

10.25" (260.4 mm)

Weight:

2.5 pounds (1.13 kg)

SPEAKERAMPLlFlER

FrequencyResponse:

100Hzto 20 kHz +I/-4dB, at 0 dB output

MaximumVoltageGain:

18+3/-2dB

Speakerlmpedance:

nominal

InputLevel:

1.0Vrms

OutputAmplifier Power:

4W maximum into8R

OutputVoltage Level:

16f1Vp-P,beforeclipping

FACTORY SERVICE

All equipment returned for repair must be accompanied bydocumenta-

tion stating your return address, telephone number and proof of date of

purchase, along with a description of the problem. In lieuof this, you

may obtain a Return Authorization form from our Customer Service

Department.

Customer Service Department

Telex Communications, Inc.

9600 Aldrich Avenue South

Minneapolis, Minnesota 55420 U.S.A.

Telephone: (612) 884-4051

(Collect calls not accepted)

Return equipment to:

Service Department

Telex Communications, Inc.

101 MinnesotaAvenue

LeSueur, Minnesota56058 U.S.A.

Warranty Repairs

If inwarranty, no charge will be made for the repairs.

Equipment being returned for warranty repair must be sent prepaid and

will be returnedprepaid.

Non-Warranty Repairs

Equipmentthat is not under warranty must be

sent prepaidto Telex. If requested,an estimate of repair costs will be is-

sued prior to service. Once your approval for repair, and repairof equip-

ment is completed,the equipment will be returnedon a collect basis.

Collect charges may beavoided by sending a signed check for payment

infull along with your signed estimate approval form (the estimate in-

cludes the shippingcharge).

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