Valcom V-2901 User Manual

UNIVERSAL DOOR ANSWERING SYSTEM

INTRODUCTION

The V-2901 is a Universal Door Answering System
for use with any single line telephone, electronic or
1A2 key system, or PABX. These instructions
contain the specifications and information necessary
to install, operate, and maintain the Universal Door
Answering System.

SPECIFICATIONS

Purpose

Provides remote door answering from a telephone or
telephone system.

VSP-V-2901

Issue 6

V-2901

Applications

• Electronic Key Systems

• PABXs

• 1A2 Key Systems

• Stand Alone Systems

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

Features

• Line key access from Electronic or 1A2 key

systems

• Loop trunk port access from PABX

• Dedicated single line telephone access

• Built in handsfree amplifier

• RJ11 modular connector for Tip and Ring

connections

• Power on LED

• Provides contact for electric strike plate

• Programmable door unlock codes (use with tone

dial telephones)

• Input for manual door unlock (push-button)

• Removable screw terminal blocks for all

connections

• Built in (30 Hz) ringing generator (with on/off

switch)

• Ringback tone for speaker

• Works with the Valcom V-1070A or V-1071

door plate speakers

• AC line powered

• Compatible with VPB-260 Battery Back-up

Capacity

• The V-2901 is a single talkpath unit

• Each V-2901 will drive up to 2 Valcom 45 Ohm

Talkback Speakers

Dimensions/Weight

• 8.6" H x 11.0" W x 2.3" D

(21.6cm H x 27.9cm W x 5.8cm D)

• 3 lbs. (1.36 kg)

Specifications

• Input Impedance: 600 Ohms

• Input Level: -10 dBm Nominal

• Output Impedance: 45 Ohms

• Ring Supply: 90VAC, 30 Hz

Interrupted 1 sec. on 4 sec. off

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E-Key

C. O. Line Position

FIGURE 1 - TYPICAL E-KEY INSTALLATION

V-2901

UNIVERSAL
DOOR
ANSWER
UNIT

Door Plate Speaker
Assembly

Speaker

Pushbutton

Power Requirements

• Voltage: 115VAC

or 24VDC Battery Backup

• Power: 25 watts

Environment

• Temperature: 0 to 50 Degrees C

• Humidity: 0-85% non-precipitating

DESIGN

General

The V-2901 Remote Door Answering System when
used with the V-1070A Door Plate Speaker provides
voice paging with handsfree reply to a door. When
the push-button on the door plate speaker is pressed,
the phone system will ring. By answering the call, the
system user can converse with the person at the door.
If the door is equipped with an electric strike plate,
the system user may allow access by dialing a code or
pressing a butto n.

Electronic Key, 1A2 Key or
PABX Access

When using the V-2901 with an electronic key system
or PABX, the following equipment will be required:

1) 1 V-2901 Universal Door Answering Unit

2) 1 Single Line Tone Dial Telephone dedicated
for door answer

3) 1 Valcom Door Plate Speaker (V-1070A or
V-1071))

NOTE: A single line telephone cannot be connected
to both the V-2901 and an incoming central office
line.

INSTALLATION

Connecting Arrangement

If a modular cord is used for Tip and Ring
connections, start at step ONE. For screw terminal
connections start at step TWO.

__1. Connect one end of a modular cord to the

V-2901 RJ11 and the other end to the
appropriate line position of the phone
system. Go to step 4.

__2. Connect Tip of the key system line position

(loop trunk) to Tip terminal of the V-2901.

__3. Connect Ring of the key system (loop trunk)

to the Ring terminal of the V-2901.

1) 1 V-2901 Universal Door Answering Unit

2) 1 C.O. Line Position (Electronic Key System
or
1 Loop Trunk Position (PABX)
1 400 type line card (1A2 key)

3) 1 Valcom V-1070A or V-1071 Door Plate
Speaker

Dedicated Single Line Phone Access

When using the V-2901 with a single line telephone,
the following equipment will be required:

__4. Connect Tip and Ring of the V-1070A Door

Plate Speaker to V-2901 screw terminals
marked SPKR.

__5. Connect Door Button terminals of V-1070A

to V-2901 screw terminals marked DPB.

__6. Turn slide switch SW1 ON if the telephone

system is to ring when the door plate button
is pressed.

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