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Open cable set-top box diagnosing system and method thereof

DC
  • US 6,915,531 B2
  • Filed: 01/12/2001
  • Issued: 07/05/2005
  • Est. Priority Date: 01/13/2000
  • Status: Expired due to Term
First Claim
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1. An open cable set-top box comprising:

  • a main circuit unit receiving a broadcast signal transmitted from a head end or a broadcasting station, decoding the broadcast signal and outputting the decoded broadcast signal;

    a CPU controlling the main circuit unit, performing a point of deployment (POD) interfacing with the head end or the broadcasting station through a POD interface protocol, and diagnosing specific information or an operation state of the main circuit unit by having a diagnostic resource on a resource layer of the POD interface protocol; and

    a POD interface port exchanging a data with the head end or the broadcasting station according to the POD interface protocol of the CPU, wherein the diagnostic resource includes at least one diagnostic request object and a diagnostic confirmation object.

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