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Downstream remote physical interface for modular cable modem termination system

  • US 20050265338A1
  • Filed: 05/17/2005
  • Published: 12/01/2005
  • Est. Priority Date: 06/27/2001
  • Status: Active Grant
First Claim
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1. A modular cable modem termination system (CMTS), comprising:

  • a packet shelf operating a Data Over Cable Service Interface Specifications (DOCSIS) Media Access Control (MAC) framer; and

    one or more downstream Physical Interface (PHY) shelves receiving DOCSIS data from the packet shelf over a packet switched network and modulating the DOCSIS data for sending on a downstream path of a cable plant.

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