Data Integrity In Addressable CATV Systems (1986)
By James P. Ackermann, OAK Communications Inc.
Addressability dictates successful delivery of control data to paying subscribers and to nonpaying customers. The ability to supply or withhold programming services is fundamental to economic viability. Yet this unseen control element is often the least monitored. If it does not perform well revenue can be lost. A good fundamental design and diligent application of monitoring and maintenance are required to attain and retain integrity of the control data channel. Many data monitoring techniques are available depending on the distribution system configuration. Persistent testing and designed-in flexibility allow trouble scenarios to be discovered and countered.
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