The invention concerns a communication device comprising: several external data sources, at least a local area network connecting peripherals, means enabling to establish connections between the local area network and the external data sources, means for controlling the incoming data from the external sources and for sending them to the local area network in order to reduce the bandwidth occupation on the local area network. The device comprises also: means for updating signalization tables comprised in the incoming data, means for inserting the modified signalization tables in the stream sent to the local area network. Application to IEEE-1394 networks.
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