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Automatic communication protocol detection system and method for network systems

  • US 5,754,552 A
  • Filed: 02/29/1996
  • Issued: 05/19/1998
  • Est. Priority Date: 07/12/1995
  • Status: Expired due to Term
First Claim
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1. A communication protocol detection system for a network system including at least one port for interfacing at least one network device operating according to at least one of a plurality of different communication protocols, the communication protocol detection system comprising:

  • a plurality of interface circuits for coupling to a port, each of said plurality of interface circuits corresponding to one of the plurality of different communication protocols for interfacing a compatible network device coupled to the port, for detecting link pulses from said compatible network device coupled to the port and for providing a corresponding one of a plurality of link detect signals indicative thereof, andcontrol logic coupled to enable each one of said plurality of interface circuits and coupled to receive each of said plurality of link detect signals, wherein said control logic enables an appropriate one of said plurality of interface circuits based on detection of a corresponding one of said plurality of link detect signals.

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