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9479801

Issue 1

V-9908 MESSAGE/PAGE PANEL

Introduction

These instructions contain the specifications and

guidelines necessary to install, operate, and

maintain the V-9908, Message/Page Panel.

The V-9908 Message/Page Panel is used with

Valcom Supervised Distributed Amplified One-Way

Paging Speakers and Horns providing full system

supervision.

The V-9908 provides a handheld push-to-talk

microphone for live pages and storage for eight

messages. The unit provides full system supervision

including the microphone and speaker line.

Applications

• Valcom Supervised Distributed Amplified

One-Way Paging Systems.

• Refer to Figure 1 for a block diagram of a typical

installation.

Features

• Dynamic noise canceling handheld microphone

for live page

• Provides up to 8 minutes of high quality digital

recording

• Stores and plays up to 8 messages

• PC Programmable

• Message panel fully supervised

• Provides speaker line supervision

• Provides microphone supervision

• Provides DC power supervision

• Allows remote message activation

• Visual and audible system trouble indication

• Audible signal cancel button

• Power "ON" indicator

• Mounts in most 4 gang deep electrical box

Dimensions

• 5"W x 4.25"H x 2”D

(12.7cm W x 10.8cm D x 5.08cm H)

• 4 lbs. (1.5Kg)

Specifications

Power Requirements

• Operating Voltage 22 – 26VDC

• Current 100mA

Microphone Input

Input Impedance: >5000 Ohms

Input sensitivity: 1kHz 1 millivolt for -12dBm

output (output terminated with 100 Ohms)

Audio

Frequency Response:

Mic – Output: 150Hz – 7,000Hz

Frequency Response:

Stored Messages – Output: 150Hz – 3,500Hz

Input Sensitivity (mic): 1kHz 1 millivolt for -12dBm

output (output terminated with 100 Ohms)

Signal to Noise (Idle mode, Ref -12dBm): >70dB

Signal to Noise (Mic active, Ref -12dBm) >50dB

Distortion (Mic – Output): < 1% THD at -12dBm

Output Impedance: < 25 Ohms

Nominal output level: -12dBm (Ref 600 Ohms)

Maximum output level: 0dBm (before clipping)

System Supervision

Main Audio Channel: 30Hz tone (inaudible)

Microphone: 1kHz tone supervises the preamp,

cable and element

Microphone Switch: DC loop with 4.7K Ohm resistor

Audio Output: DC loop terminated with a 4.7K Ohm

1/4W resistor

Voice Storage Memory: Fixed segment memory

monitoring

Main Power: 9VDC battery provides redundant

supervision power

Battery: Low voltage monitoring

All system faults are indicated by both an audible

and visual alarm. The audible

alarm may be

silenced, however, the visual indicator will continue

to illuminate until the fault is removed.

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Indice de contenidos

Pagina 1 - V-9908 MESSAGE/PAGE PANEL

9479801Issue 1V-9908 MESSAGE/PAGE PANELIntroductionThese instructions contain the specifications andguidelines necessary to install, operate, andmaint

Pagina 2 - Installation

9479802User Controls (Figure 1)• Push-to-Talk Microphone• Pushbuttons to activate pre-recorded messages• Pushbutton to cancel message play• Pushbut

Pagina 3 - TECHNICAL ASSISTANCE

9479803Using an RJ-45 connector, connect speaker audio(Tip and Ring) and speaker power to boardmounted connector as shown on connectingdiagram.All con

Pagina 4 - Figure 2: Rear Connections

9479804Figure 1: User Control LocationsEight (8) MessagePlay IndicatorsEight (8) MessagePlay ButtonsMessage LabelWindowSystem FaultIndicatorFault Aud

Pagina 5 - Figure 3: Typical Connections

9479805Audio InterfaceMessagePanel TipOutMessagePanel RingOutMessagePanel PlayContactV-2924A Page PortOverride InputAudioOutputAudioInputMessage Panel

Pagina 6

9479806Audio InterfaceAudioInputAudioOutputTo Unsupervised ValcomAmplified SpeakersN.C.N.C.MessagePanel TipOutMessagePanel RingOutMessagePanel PlayCon

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Valcom V-9908 Especificaciones

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