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Multi-service adaptable optical network unit

  • US 6,362,908 B1
  • Filed: 12/02/1998
  • Issued: 03/26/2002
  • Est. Priority Date: 12/02/1998
  • Status: Expired due to Term
First Claim
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1. A fiber-to-the-curb digital loop carrier system for transporting multi-media information in the local loop between a central office switching station and a plurality of customer locations, comprising:

  • a plurality of host digital terminals coupled to the central office switching station by fiber-optic connections; and

    at least one optical network unit coupled to a host digital terminal by fiber-optic connections, wherein each optical network unit comprises;

    at least one multi-service common card, comprising;

    a fiber optic-interface;

    a service multiplexer; and

    a plurality of card-link interface circuits;

    a plurality of service cards, comprising;

    circuitry for processing a particular multi-media service; and

    at least one card-link interface circuit; and

    a plurality of card-links coupling the plurality of service cards to the multi-service common card, wherein the card links are low voltage differential signal (LVDS) connections.

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