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CEDIA ESPA EST Practice Test

Category - DHTI

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Which device transmits video signals across twisted-pair wiring?

Modulator
Balun
Switcher
Multiplexer

Explanation

Answer - B - A Balun transmits video signals across twisted-pair wiring.

Key Takeaway: A video balun is installed at each end of the cable run to convert the coaxial cable video signal to twisted-pair cable video signal. One end of the balun has an RJ-45 jack and the other end has a push-on F-type connector. If Cat 5e cabling is used, a balun must be installed at each end of the cable.

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