Valcom V-9908 Manual de Usario

Valcom sistema de intercomunicación V-9908

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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.

9479802

User Controls (Figure 1)

• Push-to-Talk Microphone

• Pushbuttons to activate pre-recorded messages

• Pushbutton to cancel message play

• Pushbutton to cancel wire fault alarm

Indicators (Figure 1)

• Power “ON”

• Individual message play

• Visual system fault

• Audible system fault with silence button

Inputs (Figure 2)

• Eight remote message activation inputs via

single pole pushbutton switches.

• RS-232 provided for message uploads and

downloads.

• Handheld microphone for “live” announcements

Outputs (Figure 2)

• Audio output

• Page/Message active contact

• Proprietary RS-485 for system status reporting

• External security output (contact closure)

System Operation

The Push-to-Talk microphone is used for live pages.

The microphone has priority over message playback

paging. Pressing the Push-to-Talk switch on the

microphone will activate the audio output and

override (and CANCEL) any message playback in

process.

A group of eight (8) front panel buttons with

associated LED’s are used to activate stored

messages. When a message is activated, the LED

will indicate the status. If the message is playing,

the LED will illuminate. Messages are not

chainable. A message must be finished before an

additional message may be activated. If a message

button is pressed while a message is playing the

original message will cancel.

A “MESSAGE CANCEL” button is available to

cancel any message playing.

Using the program tool, all messages can be

programmed for the following play scenarios:

1 play per button activation

2 plays per button activation

3 plays per button activation

Continuous plays per activation (cancelled via

“MESSAGE CANCEL” button)

Programming Voice Messages

A serial port (RS-232) is provided to upload and

download voice messages. The program tool

provides all editing and message processing (AGC,

response shaping, wave file conversions, etc.).

The final format is standard 8 bit uLaw at 8kHz

compressed format.

Although it is possible to upload and download

during system operation, it is recommended to

perform this function when the system is not in use.

This insures that messages will not be corrupted

during a download of upload. After message write

remove battery and DC power momentarily.

Total voice message storage is 8 minutes and there

are no other restrictions on lengths of individual

messages. It is possible to record tones, signals,

etc. that will operate in the voice band range. For

additional programming information refer to the

Message Control Panel Program Tool Help Menu.

System Fault Monitoring

The main audio channel has an inaudible tone

present whenever a page or message is not active.

This tone will verify the integrity of the audio channel

from the microphone to the audio output. In addition

the audio and power pairs of the speaker line are

monitored for shorts, opens and grounds. A V-9999

End of Line device is used to terminate the speaker

line.

Note: For Full System Supervision, Use Only

Valcom One-Way Supervised Speakers And

Horns With The Page Panel.

Proper operation of the voice memory flash device is

monitored by continuous reading a fixed segment of

the memory. This insures the flash memory integrity

as well as the circuitry that attaches it to the DSP

controller. It will detect defective components and

interconnection faults as well as actual memory

failure.

In the event of a system, wire or power failure, the

“System Fault LED” will illuminate and an audible

alarm will sound. The audible alarm may be

silenced by pressing the “Cancel Audible” button,

however the “System Fault” light will continue to

illuminate until the fault has been corrected. A 9 Volt

battery located on the back of the Page Panel

provided the necessary power to operate the fault

circuits in the event of a power failure. The 9 Volt

battery is monitored and a system fault will occur

when the battery voltage drops. A contact closure is

available to signal a remote monitoring panel when a

system fault occurs.

Installation

Figure 1, shows microphone, message activate and

fault indication control locations. Figure 2 shows

remote message activate terminal connections

output connections, programming and power

connections located on the back of the message

panel. Figure 3 shows a typical connecting

arrangement and other feature connections.

Referring to Figure 3, connect 24VDC as indicated.

9479803

Using an RJ-45 connector, connect speaker audio

(Tip and Ring) and speaker power to board

mounted connector as shown on connecting

diagram.

All connections should be made to the mixer and

double-checked prior to connecting DC power.

Refer to Figure 3 to connect the message active

contact and remote activation of the messages. A

remote mounted connecting block will be required

to access these connections. Figures 4, 5 and 6

show connections to various types of Valcom

equipment.

Programming the Message Panel

Refer to the programming guide included with the

message panel documentation.

System Troubleshooting

There are 4 LED’s located on the PC board for

system troubleshooting. They are:

• LED D9 Mic. Switch Fault (ON = a fault is

being detected)

• LED D10 DC Fault (low battery or internal

monitoring

System fault) (ON = a fault is being detected)

• LED D11 Audio loop back fault (ON =

Fault in Mic. audio or 30Hz amplifier loop

back)

• LED D12 Flash Memory Error (ON =

Flash checksum failed

TECHNICAL ASSISTANCE

When trouble is reported, verify the unit is

turned on and there are no broken

connections leading to the unit.

Assistance in troubleshooting is available from

the factory. When calling, you should have a

VOM and a test set and call from the job site.

Call (540) 563-2000 and press 1 for Technical

Support, or visit our website at

http://www.valcom.com.

Valcom equipment is not field repairable.

Valcom maintains service facilities in

Roanoke, VA. Should repairs be necessary,

attach a tag to the unit clearly stating company

name, address, phone number, contact

person, and the nature of the problem.

Send the unit to:

Valcom, Inc.

Repair and Return Dept.

5614 Hollins Road

Roanoke, VA 24019-5056

LIMITED WARRANTY

Valcom, Inc. warrants its products to be free from defects in materials and workmanship under conditions of normal use and

service for a period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement,

repair or refund of any such defective device within the warranty period, provided that:

1. Inspection by Valcom, Inc. indicates the validity of the claim;

2. the defect is not the result of damage, misuse, or negligence after the original shipment;

3. the product has not been in any way repaired by others and that factory sealed units are unopened (a service charge plus

parts and labor will be applied to units defaced or physically damaged);

4. freight charges for the return of products to Valcom, Inc. are prepaid,

5. all units “out of warranty” are subject to a service charge. The service charge will cover minor repairs (major repairs will be

subject to additional charges for parts and labor).

This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom, Inc. be

liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection

with the purchase, operation, or use of the product.

This warranty specifically excludes damage incurred in shipment. received in damaged condition, the In the event a product is

carrier should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the

F.O.B. point.

Headquarters:

Valcom, Inc.

5614 Hollins Road

Roanoke, VA 24019-5056

Phone: (540) 563-2000

Fax: (540) 362-9800

Especificaciones del producto

Marca:	Valcom
Categoría:	sistema de intercomunicación
Modelo:	V-9908

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