Valcom V-2904 Manual

Valcom Intercomsystem V-2904

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Side 1/14

Issue 7

V-2904

UNIVERSAL FOUR DOOR ANSWERING SYSTEM

INTRODUCTION

The V-2904, Universal Four Door Answering

System, when used with Valcom Door Plate

Speakers, provides voice paging with handsfree reply

to up to four doors from any telephone location. The

V-2904 initiates ring-in on the telephone system and

sends a confirmation tone to the door speaker. The

individual at the phone responding to the signal will

determine if access should be allowed. Pressing a

programmed code on the telephone dialpad or

pressing the remote button will unlock the door to

allow admission. The V-2904 also provides an alarm

control output to alert an unauthorized entry.

• Reorient the receiving antenna

• Relocate the equipment with respect to the radio

or television

These instructions contain the specifications and

information necessary to install, operate and maintain

the Universal Four Door Answering System. • Move the equipment further away from the radio

or television

• Plug the equipment into a different branch circuit

FCC Notice

This equipment generates and uses radio frequency

energy and if not installed and used properly, that is,

in strict accordance with the instructions listed in this

User's Manual, may cause interference to radio and

television reception.

NOTE: The manufacturer is not responsible for

any radio or TV interference caused by

unauthorized modifications to this equipment.

Such modifications could void the user's authority

to operate the equipment.

It has been tested and found to comply with the limits

for a Class B Computing Device in accordance with

the specifications in Subpart B of Part 15 of the FCC

rules, which are designed to provide reasonable

protection against such interference in a residential

installation. If this equipment does cause interference

to radio or television reception, which can be

determined by turning off the equipment and seeing if

the interference stops, the user is encouraged to try

and correct the interference by one or more of the

following measures:

SPECIFICATIONS

Access

• Electronic Key Systems

• PABXs

• 1A2 Key Systems

• Stand Alone Systems

Refer to Figure 1 for a simplified block diagram of a

typical installation.

1 947304

E-Key

C.O.Line

Position

V-2904

Universal

Four Door

Answering

System

Doorplate

Speaker

with

Pushbutton

Up to 4

Locations

FIGURE 1 - SIMPLIFIED BLOCK DIAGRAM OF A TYPICAL INSTALLATION

Power

Supply

Features

• Compatible with PABX, E-Key and 1A2

telephone

• Switch selectable - loop or ground start access

• Provides handsfree talkback to four separate

locations

• RJ11 modular connector for Tip and Ring

connections

• Power ON LED

• Provides contacts for up to four circuits

• Programmable options:

Programming access code

Ring Pattern

Station Identification

Activate lock relay

Duration of lock relay activation

Time door can remain open after unlock

(exit delay time)

Entry delay time

Number of ring cycles

Disable station alarm

Alarm disable code

Station alert tone

• Input for manual door unlock (push button)

• Built-in 30Hz ring voltage generator with on/off

switch

• Ringback tone to speaker

• Calls can be placed On Hold

• Call waiting

• One-way all call with volume control

• Background music input with volume control

• Speaker to phone volume control

• Phone to speaker volume control

• Simultaneous calls placed in queue

• Dial tone

• Confirmation tone

• Compatible with tone dial phones

• Works with Valcom V-1072A doorplate speaker

or other Valcom one-way or talkback speakers.

• Compatible with VPB-260 battery backup

Dimensions/Weight

Dimensions: 8.60" H x 11.00" W x 2.30" D

(21.84cm H x 27.94cm W x 5.84cm D)

Weight: 3.1 lbs. (1.41 kg)

Nominal Specifications

Input Impedance: 600 Ohms

Input Level: -10dBm Nominal

Output Impedance: 45 Ohms

Ring Supply: 90VAC, 30Hz

Suitable for REN of 5.0

Power Requirements

Power Supply: -24VDC filtered

600mA minimum

Environment

Temperature: 0 to 40°C

Humidity: 0 to 85% (non-precipitating)

Produkt Specifikationer

Mærke:	Valcom
Kategori:	Intercomsystem
Model:	V-2904

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