Cisco Headend System Release 2.5 User Guide

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DHCT Status Reporting Utility 
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What is a Non-Responding DHCT? 
Definition of Non-Responding DHCTs 
A non-responding DHCT is a DHCT that is installed in the home of a subscriber and 
has been configured by the billing vendor to be capable of two-way communication. 
However, for some reason, the DHCT is unable to maintain or establish a two-way 
connection. 
Note:  Two-way communication (or connection) means that a working 
communication path exists between the headend and the DHCT, as well as between 
the DHCT and the headend.