CCTV Twisted Pair Video Baluns
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1 CCTV Twisted Pair - Active Transmission (Power Required) Video balunsCCTV Twisted Pair - Active Transmission (Power Required) takes a standard BNC connection from your camera(s) and converts it into a set of wires called Twisted Pair or CAT5e, they contain isolation transformers which utilize twisted cabling like the CAT5e or phone lines that are usually already installed in buildings. A word of caution when using baluns it is always better to use new cabling the pain of running the new cabling may bebetter than trouble shooting a older telephone line system.
2 CCTV Twisted Pair - Passive Transmission (No Power Required) Video BalunsCCTV Twisted Pair - Passive Transmission (No Power Required) takes a standard BNC connection from your camera(s) and converts it into a set of wires called Twisted Pair or CAT5e, they contain isolation transformers which utilize twisted cabling like the CAT5e or phone lines which are usually installed in buildings. A word of caution when using baluns it is always better to use new cabling, th pain of running the new cabling may be better than trouble shooting a older telephone line system.
What is the function of a Balun?

The function of a balun (acronym for BALanced/UNbalanced) is to change from one transmission medium with a defined impedance (ie. 75 ohms coaxial) to another transmission medium with a different impedance (ie. 120 ohms twisted pair).

Why Use Baluns?

  • Baluns extend transmission distances. Using passive baluns, you can send audio and video signals up to 2,500 feet, and VGA signals up to 350 feet.
  • Baluns utilize existing wiring. Many buildings already contain structured UTP cabling systems.
  • If so, the hard work is already done--simply connect a balun at each end of the cable run to transmit your signal.
  • Baluns reduce installation cost and increase installation efficiency. Traditionally, a single cable could not transmit both audio and video. Using baluns, both audio and video can be transmitted via one inexpensive run of Cat 5.
  • Baluns eliminate background hum and rolling interference. Because they contain isolation transformers and utilize twisted cabling, baluns eliminate the ground loops that cause background hum and rolling interference.
  • Baluns lower installation cost. In many installations, the cost of baluns plus Cat 5 cable is less than traditional wire, such as coaxial and twisted pair audio.
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