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Bosch Security Systems | 2007-02 | 9922 141 70691 en
DCN Wireless | Installation and User Instructions | System Design and Planning en | 29
6 CobraNet
CobraNet is a standard for the transport of real-time
digital audio and control data through an Ethernet
network. A CobraNet network can transport a
maximum of 64 channels of 48 kHz, 20-bit audio
through a 100 Mbit link connection in each direction.
Many manufacturers of professional audio devices
support the CobraNet standard.
The DCN Wireless digital congress network can
connect to CobraNet networks with the LBB4404/00
Cobranet Interface. For example, you can use the
LBB4404/00 Cobranet Interface to:
• Benefit from Ethernet infrastructure
• Transport audio signals over large distances
PC data, for example data from the DCN Wireless
Open Interface can co-exist with CobraNet data on the
same Ethernet network when you use managed
Ethernet switches that are approved by Peak Audio.
7User set-up
7.1 Public areas and walkways
Keep public areas clear of system and extension cables
and connections.
7.2 Headphones/headsets
Put headphones or headsets with:
• Wireless discussion units.
• Interpreter desks.
• Channel selector.
• Integrus receivers.
Acoustic feedback between the connected headphones
or headsets and the microphone occurs when:
• The volume level is set too high.
• The headphones are too close to activated
microphones.
7.3 Speaking distance
The recommended speaking distance from the
microphone is 0.2 m to 0.4 m.
7.4 Interpreter booths
Make sure each interpreter booth has sufficient
dimensions. The International Organization for
Standardization (ISO) gives the specification for
interpreter booths. Refer to standard ISO 2603 ‘Booths
for simultaneous interpretation - General characteristics
and equipment’ for more data.
Note
Refer to the DCN Next Generation Installation
and User Instructions for the LBB4404/00
Cobranet Interface.
Note
Refer to the website of Peak Audio
(www.peakaudio.com) for:
• More data about CobraNet networks.
• A list of approved Ethernet switches.