Valcom V-9908 User Manual

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:
Input sensitivity:
output (output terminated with 100 Ohms)
Audio
Frequency Response:
Mic – Output:
Frequency Response:
Stored Messages – Output:
Input Sensitivity (mic):
output (output terminated with 100 Ohms)
Signal to Noise (Idle mode, Ref -12dBm):
Signal to Noise (Mic active, Ref -12dBm)
Distortion (Mic – Output):
Output Impedance:
Nominal output level:
Maximum output level:
System Supervision
Main Audio Channel:
Microphone:
Microphone Switch: DC loop with 4.7K Ohm resistor
Audio Output: DC loop terminated with a 4.7K Ohm
Voice Storage Memory:
Main Power:
Battery:
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.
1
Issue 2
>5000 Ohms
1kHz 1 millivolt for -12dBm
150Hz – 7,000Hz
150Hz – 3,500Hz
1kHz 1 millivolt for -12dBm
< 1% THD at -12dBm
-12dBm (Ref 600 Ohms)
0dBm (before clipping)
30Hz tone (inaudible)
1kHz tone supervises the preamp,
cable and element
1/4W resistor
Fixed segment memory
9VDC battery provides redundant
supervision power
Low voltage monitoring
947980
>70dB
>50dB
< 25 Ohms
monitoring