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Implementation of HPNA 2.0 network states in hardware

  • US 6,909,725 B1
  • Filed: 03/23/2001
  • Issued: 06/21/2005
  • Est. Priority Date: 03/23/2001
  • Status: Active Grant
First Claim
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1. A method for providing network states for a home phone line network, comprising the steps of:

  • (a) determining if a receive-detect-with-Private Communication Field (PCOM)=0 signal is asserted;

    (b) asserting a set-detected PCOM=0 signal if the receive-detect-with-PCOM=0 signal is asserted, wherein assertion of the set-detected-PCOM=0 signal asserts a detected signal with a PCOM field set to “

    0”

    ;

    (c) determining if a receive-detect-with-PCOM=2 signal or a transmit-detect-with-PCOM=2 signal is asserted;

    (d) asserting a set-signaled signal if either the receive-detect-with-PCOM=2 signal or the transmit-detect-with-PCOM=2 signal is asserted, wherein assertion of the set-signaled signal asserts a signaled signal;

    (e) determining if a force-first-mode signal is asserted, or a combination of a force-second-mode signal not being asserted and either the detected signal or the signaled signal being asserted;

    (f) setting a network state to a first mode if the force-first-mode signal is asserted, or the combination of the force-second-mode signal not being asserted and either the detected signal or the signaled signal being asserted; and

    (g) setting a network state to a second mode if the network state is not the first mode.

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