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Protocol and method for multi-chassis configurable time synchronization

  • US 7,007,106 B1
  • Filed: 05/22/2001
  • Issued: 02/28/2006
  • Est. Priority Date: 05/22/2001
  • Status: Expired due to Term
First Claim
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1. A protocol for transferring synchronization information from a first synchronization component to a second synchronization component via a network for time synchronizing operation of first and second controllers associated with the first and second synchronization components, the protocol comprising:

  • sending a message frame from the first synchronization component to the second synchronization component via the network, the message frame comprising time synchronization information and data;

    sending an additional message frame at a fixed period, the additional message frame comprises an LCM synch bit indicating an LCM tone;

    receiving the message frame and the additional message frame from the network in the second synchronization component;

    synchronizing operation of the second controller with that of the first controller according to the time synchronization information; and

    adjusting a timing system associated with the second controller according to the LCM synch bit.

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