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Module comprising in an ATM exchange connection ports, each transmitting a cell indicative of a destination module in a cell header

  • US 5,287,355 A
  • Filed: 07/08/1992
  • Issued: 02/15/1994
  • Est. Priority Date: 07/08/1991
  • Status: Expired due to Term
First Claim
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1. An asynchronous time division exchange system for transferring transmission data comprising a highway bus;

  • a local module and one or more remote modules coupled to each other by said highway bus, each of said modules comprising a connection control unit connected to said highway bus, a plurality of connection ports, and a module bus connecting said connection ports to said connection control unit, each of said connecting ports being responsive to a transmission signal, and including means for adding to said transmission signal a first header indicating a destination module number as a virtual path identifier when said transmission signal is directed to one of said remote modules and indicating a destination port number as the virtual path identifier when said transmission signal is directed to one of the connection ports of said local module, and for transferring said transmission signal and header as a data cell to said module bus.

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