Axel Oxygen 4, Руководство пользователя

Страница: 18 / 73

Cobranet Basics
8 Cobranet Basics
This chapter gives you information for working with Cobranet. It's just a basic explanation of audio
networking with Cobranet. For more information you can view the website
http://www.peakaudio.com .
8.1 Cobranet Device
A Cobranet Device has two RJ45 connectors which you can hook up to a switch or connect with a
crosswire to another Cobranet Device. The reason for two RJ45 connectors is redundancy. It will
function without problems if you connect just one RJ45 connector.
Internally a Cobranet Device has 4 receive sockets and 4 transmit sockets. Every socket is able to
transfer a maximum of 8 mono channels. That means If we have all sockets fully loaded we can send
32 mono channels and receive 32 mono channels.
A receive socket can have only one transmit socket to which it is connected.
A transmit socket can have one receive socket and in special cases (multi cast) more receive sockets.
In short it means one Cobranet device can transmit data to 4 different devices, and receive data from
4 different devices.
8.2 Cobranet Bundles
To setup a connection you have to give a transmit and receive socket a bundle number.
If a receive socket and transmit socket have the same bundle number, audio is transmitted from the
transmit socket to the receive socket.
A bundle number is a kind of identification of the link. Normally the bundle numbers starts from 256
and ends at 65535.
Bundle number 0 until 255 are reserved.
8.3 Cobranet and Ethernet
All Cobranet data is transferred within standard Ethernet packages. This makes it possible to interfere
with normal Ethernet data as well as to use standard Ethernet equipment.
(For full capacity its recommended to separate Cobranet and data networks)
The topology of the Cobranet network is like your standard computer network. A star network where
all devices hook up to a switch.
Figure 4: Star Network
If you interconnect multiple star networks you will get a tree-topology.
Peak Audio has tested a lot of Ethernet equipment, and is maintaining a list of recommended
switches. You can find the recommendations at their website:
http://www.peakaudio.com .
Oxygen 4 Digital - from Axel Technology Phone +39 051736555, support@axeltechnology.com Page 18