Access network

  • US 5,920,410 A
  • Filed: 12/18/1996
  • Issued: 07/06/1999
  • Est. Priority Date: 06/08/1994
  • Status: Expired due to Term
First Claim
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1. A telecommunications local access network comprising:

  • at least two independent subnetworks each of said independent subnetworks being connected to serve respective group of user terminations in the same local area, andeach subnetwork including transmission links connecting its respective group of user terminations to a respective switch of a telecommunications core network,a plurality of user terminations each being served by at least a first and a second of said independent subnetworks so that telecommunications service(s) are routinely available thereto over both of said first and second subnetworks, with services continuing to be provided from one of said first and second subnetworks in the event that the other of said first and second subnetworks fails.

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