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Facilitating digital subscriber line services via a subscriber premise network interface device

  • US 7,274,669 B2
  • Filed: 04/25/2002
  • Issued: 09/25/2007
  • Est. Priority Date: 04/25/2002
  • Status: Active Grant
First Claim
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1. A subscriber premise Network Interface Device (NID), comprising:

  • a Digital Subscriber Line (DSL) data stream processing circuit enabling reception of voice signal downstream transmission units, wherein said voice signal downstream transmission units are received in accordance with a DSL protocol;

    a transmission unit processing circuit enabling channel identifier assessment of said voice signal downstream transmission units and facilitating reassembly of voice signal content of said voice signal downstream transmission units;

    a voice signal conversion circuit enabling conversion of said voice signal downstream transmission units to a corresponding downstream analog voice signal; and

    a test circuit enabling functional operability evaluation of service provider facility paired conductors including automatically terminating at least one pair of said service provider facility paired conductors in response to an NID supply voltage being removed from said at least one pair of service provider facility paired conductors.

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