Patent ID: 7587742
Filing Date: 2009-09-08
Classification: H04L,H04N

Abstract:
1. A method of interfacing with a host device for a point of deployment (POD) module in an open cable diagnosing system, the method comprising: descrambling a scrambled broadcast signal and transmitting the descrambled broadcast signal to the host device; issuing a first diagnostic request object to the host device, the first diagnostic request object including a request for an opening of a session between the host device and a diagnostic resource provided by the host device; receiving a first diagnostic response object from the host device, the first diagnostic response object including information responding to the open session request; issuing a second diagnostic request object to the host device, the second diagnostic request object including a request to perform a specific set of diagnostic functions; and receiving a second diagnostic response object from the host device, the second diagnostic response object including a diagnostic result obtained upon performing the diagnostic functions by the host device, wherein the diagnostic resource defines the second diagnostic request object and the second diagnostic response object, wherein at least one of the first and second diagnostic request objects includes a plurality of identifiers, each identifier being assigned to one of plural functional units in the host device to be checked for a corresponding diagnostic status, and wherein the second diagnostic response object includes diagnosed state information about each of the plural functional units.