Valcom V-9927A Manual

Valcom Alarm V-9927A

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Side 1/4

VSP-9927A

V-9927A

DIGITAL MULTI-TONE GENERATOR

SPECIFICATIONS

Power Requirements:

-24VDC “B” Battery at 100mA

Operating Environment:

Temperature: 0 to +50° C

Humidity: 0 to 85% (non-condensing)

Nominal Input/Output Specifications:

Input Impedance: 600 Ohms

Output Impedance: Less than 4 Ohms

Min. Output Load Impedance: 20 Ohms

Audio Input: 0dBm nominal

Maximum Tone Output: > 0dBm single tone

Physical Dimensions:

8.20”H X 4.55”W X 2.30”D

(20.83cm H x 11.56cm W x 5.84cm D)

Weight: 1.5 lbs (0.68 kg)

INTRODUCTION

The V-9927A was designed with ease of installation

and flexibility in mind. Connections are by screw

terminals located on the edge of the PCB. The

various options and tones are set using option blocks

located inside the enclosure on the PC Board.

The V-9927A is a microprocessor controlled multi-

tone generator capable of producing a variety of tone

signals for various applications. It is functional and

backward compatible with the previous V-9927.

Note: Double check all wiring as connections to

the unit are different.

This equipment has been tested and found to

comply with the limits for a Class A digital device

pursuant to Part 15 of FCC Rules. These limits are

designed to provide reasonable protection against

harmful interference when this equipment is operated

in a commercial environment. This equipment

generates, uses and can radiate radio frequency

energy and if not installed and used in accordance

with the instruction manual, may cause harmful

interference to radio communications. Operation of

this equipment in a residential area is likely to cause

harmful interference in which case the user will be

required to correct the interference at his/her own

expense.

INSTALLATION

Product is intended for wall mounting only. When

mounting, open enclosure and remove circuit board.

Screw back of enclosure to backboard near the

telephone system common equipment. Snap circuit

board back in place. Both mounting holes must

be utilized to insure secure mounting of the unit.

Make connections and set tones, using option

blocks, as required for the specific application.

Refer to Tone Table on page 2 for tone descriptions.

Replace cover and plug in power supply.

OPERATION

All Tones (Except Code Call)

Operation of the V-9927A is accomplished by

applying a connection between the COM (Common)

terminal on the terminal block and the desired tone

number (1-8).

The Tone selected by terminal number 1 has priority

over others. If multiple tone inputs are being used, it

is possible to sequence tones by closing the appro-

priate contacts in the desired sequence. However,

Tone number 1 will always be placed first on the list

when it has been activated.

If multiple tones are selected at the same time, the

LOWEST tone number will have priority. If the

lowest contact is open, then the next lowest tone

number will be activated.

When a Tone is activated the INPUT source will be

faded out in 0.75 seconds if P5 is out or will be faded

out in 0.25 seconds if P5 is IN.

The V-9927A has a buffer for 32 tones. If more than

32 tones are entered within a short period, the

V-9927A will drop the last tone entered.

Figure 2 illustrates several of the ways the V-9927A

can be used with other Valcom equipment.

Issue 4

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Produkt Specifikationer

Mærke:	Valcom
Kategori:	Alarm
Model:	V-9927A
Produktfarve:	Grå
Husmateriale:	Plast
Certificering:	FCC, CE
Strømforbrug (maks.):	2.4 VA
Alarm decibel:	0 dB
Indgangsspænding:	24 V
Antal moduler:	1
Antal indgange:	1 inputs