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Cisco Headend System Release 2.7 Technical References

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OCAP System Implementation 
738184 Rev B 
Hardware Components of an OCAP System 
OCAP Hardware Components 
This section provides a system diagram of a typical OCAP system and describes the 
following major hardware components that support it: 
• 
DNCS 
• 
OCAP Object Carousel 
• 
QPSK Modulator/Demodulator 
• 
QAM/MQAM/GQAM/GoQAM Modulator 
• 
PowerKEY
® 
CableCARD Module or Virtual CableCARD Module 
• 
OCAP Host 
OCAP System Hardware Diagram 
The following diagram shows the high level flow of a typical OCAP system.