Cable signals transmitted on the distribution network

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The headend and its connected coaxial cables and subscribers constitute a cable system. In most cases, a cable system is a local operation in a given community that includes:

■ A business office

■ A variety of technical facilities, including the cable network itself

■ A warehouse where materials and spare parts are kept

■ A storage lot where vehicles are parked and some materials are stored

The headend is where the cable operator puts the various channels on the frequencies that are compatible with the cable network.

Larger cable systems will be much more complex and may serve several communities in a geographical area. Big companies that operate multiple systems are called multiple service operators (MSOs).

How a Cable System Works (Cont.)

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