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Data network interface and communication devices having a data network interface

  • US 20040001507A1
  • Filed: 05/14/2003
  • Published: 01/01/2004
  • Est. Priority Date: 05/14/2002
  • Status: Active Grant
First Claim
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1. A data network interface for coupling line-oriented communication devices, set up by at least one communication device, via a packet-oriented data network having at least one data network cable with at least one supply conductor provided for supplying voltage to data communication devices in the data network, comprising:

  • a data network connection for the at least one data network cable of the packet-oriented data network;

    a communication network connection for the at least one communication device; and

    coupling means, arranged between said communication network connection and said data network connection, for transmitting communication signals on the line-oriented communication links between said communication network connection and the at least one supply conductor in the at least one data network cable.

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