Valcom V-2000A Service Manual

Issue 2

V-2000A
INTEGRATED SINGLE ZONE PAGE CONTROL UNIT

INTRODUCTION

The V -2000A is an Integrated Single Zone Page
Control Unit for use with any electronic key or PABX.
The control unit provides external power (12 Valcom
power units) for powering V alcom One-way Amplified
Speakers.

These instructions contain the specifications and
information necessary to install, operate and maintain
the Integrated Single Zone Paging Control Unit.

"WARNING: To reduce the risk of fire or
electric shock, do not expose this appliance to
rain or moisture."

"WARNING: Shock Hazard - Do Not Open."

"AVIS: Risque de Choc Electrique ne pas
Ouvrir."

"PELIGRO: Corriente Elecrica - No Abra."

SPECIFICATIONS

Purpose

• Provides telephone system access to a single

zone of one-way paging

Applications

• Electronic Key Systems

• PABXs

• 1A2 Key Systems (400 type line card required)

• Stand Alone Systems

Refer to Figure 1 for a block diagram of a typical
installation.

Features

• Electronic key system line key access

• PABX loop start trunk port access

• Page port access

• Switchable battery feed for loop start operation

• RJ11 for Tip and Ring connections

• Power on LED

• Drives up to 150 Valcom one-way amplified

speaker assemblies (Audio)

• Background music input

• Voice operated switch to mute music during page

• Screw terminals provided for all connections

• UL Listed

• Supplies 12 Valcom power units for powering

Valcom one-way amplified speakers

• May be used with 25 or 70 Volt amplifiers

• AC powered

• AC input fused at 0.5 Amp

Capacity

• The V -2000A is a one-zone single talkpath unit.

• Each V -2000A will drive up to 150 Valcom

one-way amplified speaker assemblies (Audio)
and provides 12 Valcom power units for powering
the speaker amplifier assemblies. The V -2000A
can also be used to access 25 or 75 Volt
conventional amplifiers.

1 947199

V-2000A

AMPLIFIED SPEAKERS

E-KEY
OR PABX

NOTE; Additional power supplies required for large numbers of speakers.

INTEGRATED
SINGLE ZONE
PAGE SYSTEM

FIGURE 1 - TYPICAL INSTALLATION

Dimensions/Weight

• 2.50" H x 7.70 " W x 5.30" D
(6.35cm H x 19.56cm W x 13.46cm D)

• 2.6 lbs. (1.2 kg)

Nominal Power Requirements

• Voltage: 115VAC

• Current: 0.35 Amp

Environment

• Temperature: 0 to +40° C (+32 to +104° F)

• Humidity: 0 to 85% non-precipitating

Nominal Specifications

Input Impedance: 600 Ohms
Input Level: -10dBm nominal
Music Source Input Impedance: 8 to 600 Ohms
Voice Switch Sensitivity: -21dBm
Music Input Level: -10dBm nominal
Output Impedance: 8 Ohms
Output Level: -10dBm nominal
DC Output: -24VDC at 600mA

SYSTEM DESIGN

General

The Valcom V -2000A Integrated Single Zone Page
Control Unit provides access to paging from a
standard PABX loop start trunk port, an Electronic
Key System C. O. line button or a 1A2 Key System C.
O. line button (A 400 type line card is required). In
most cases, access is also possible from a PABX or
Electronic Key System page port.

NOTE: Do not connect to Central Office Line or
PBX Station Port.

Electronic Key or PABX Access

When using the V -2000A with an electronic key
system or PABX, the following equipment will be
needed:

VALCOM ONE-WAY

1) 1 - V -2000A Integrated Single Zone Page Control
Unit

2) 1 - C. O. Line Circuit (Electronic Key System) or 1
Loop Start Trunk Circuit (PABX)

3) Valcom One-way Amplified Speaker Assemblies
(Quantity and style determined by specific
installation)

Operation: Press the appropriate line key (Electronic
key system) or dial the appropriate trunk access code
(PABX). You will immediately be connected to the
paging speakers. Make announcement. The V ­2000A will automatically disconnect when you hang
up.

Page Port Access

When accessing the V -2000A from a page port the
following equipment will be required:

• One V -2000A Integrated Single Zone Page

Control Unit

• Telephone System Page Card (If required for

external page outputs)

• Valcom One-way Amplified Speaker Assemblies

(Quantity and style determined by specific
installation)

Operation: Follow the telephone manufacturers’
directions on how to access external paging. You will
immediately be connected to the paging speakers.
Make announcement. The V -2000A will automatically
disconnect when you hang up.

Background Music

Background music may be connected to the V -2000A
when using any of the above configurations. The
background music will cut off automatically when the
party making the page is speaking.

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