Distributed Voice Communication System
Distributed Voice Communication System DVCS
Main Features
The Voice Intercom Keyset DVCS is a Voice Communication System based on VoIP. This system is designed to be
operated by a lot of users in parallel and is fully configurable including definition of different roles and rights (e.g.
listen, talk).
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The driver for the development of this voice intercom
system was the longtime experience gained during
maintenance activities of different voice system products
used in operational environments in the past. As a result
the Voice Intercom Keyset DVCS was generated which
complies with typical requirements for Satellite Ground
Control Centers (e.g. Eumetsat, Galileo)
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Recognizing that no standard product meets all the needs
of all users, it is offered to provide units tailored to unique
applications.
The keysets are available as desktop, console or arm
mounted versions.
Individual button layout and design can be established on
request.
Keysets consist of the following components:
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Touch screen with a layout showing the loops which
can be selected
Software volume control slider for loudspeaker and
headset for the console and arm versions
Connector for a microphone
Function buttons for special functions
Status display
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Redundant network architecture via Ethernet
Very High Availability – no single point of failure
Highest voice quality using new developed Audio
Interface Unit
Transparent interface to existing Voice Systems, IP
network and ISDN
Fully distributed truly VoIP architecture
Complete installation and support included
Full maintenance service
Maintainable without operational disruption
Standard radio interfaces supported
Telephony interfaces available
Gateways to other systems via LAN / WAN
True “turn-key” system – no hidden cost
Panel Information Indicators
Audio Interfaces
Frequency range (analog)
Usable bandwidth of 300 to 3400 Hz
(±3dB)
Signal-to-noise ratio (analog)
> 42 dB(A)
Distortion factor (analog) <
0,5%
Cross talk attenuation
(analog)
>60 dB / 1 kHz
Headsets
headset ports + PTT
Microphone
microphone port + PTT
4 wire audio
audio I/O for recording
Interfaces
I/O ports
DVI
Headset Ports
USB Touchscreen
PTT out
external Loudspeaker
Network
Yellow: Loop selector is set for listen only
Green: Loop selector is set for talk (listen and talk).
Flashing green: PTT is activated on this loop from this
panel.
Flashing yellow and green (alternating): An alert is
present on this loop, (i.e. visual indication that somebody
wants to talk on this loop from any other station).
ISDN / EXT: indicates a selected telephone loop on the
panel
Alert is active on a loop accessible from this panel
Cfg is red if a newer configuration is available at the
keyset.
Net is green if all network interfaces are connected
Vox is active on a loop selected at this panel
Audio Components
A number of audio devices can be accommodated by the
system. Several headset connections in addition to diverse
audio interfaces guarantee highest flexibility.
Network connection
2x RJ45
Technology
TCP/IP
Maximum loops per network
No practical limits
Maximum workstations per
network
2046
Touchscreen/ Display
Form Factor
various touch screen sizes available
Monitor
VGA / DVI-I
Supported screen resolution
e.g. 768 x1024 Pixel, High colour 16
bit, depends on display
Security
Access protection
Role name and Password
Alerts
Audible & visual alerts
Yes
Environmental Factors
Operating temperature
+5 to +35 °C
Storage temperature
-30 to +60 °C
Relative humidity
5 to 80%, non-condensing
Mechanical Information
Chassis 19”
1 U rack mount or desktop
Dimensions (WxHxD)
19 x 14 x 7
Height 43mm, Width 427mm, Depth
356mm
Weight
Approx 2,5 kg
Power Requirements
Input voltage
100 to 240 V AC +/-10%
Input frequency
50 to 60 Hz
Power consumption
≤ 65 W
DLR GfR mbH • Muenchener-Straße 20 • 82234 Weßling • Germany
Tel. +49 8153/ 28- 2750 • Fax +49 8153/ 28- 1232 • www.dlr-gfr.de