TV over Cat5
Structured Cabling schemes based on Cat 5, cat 5e and cat 6 cabling (generically known as UTP cable) are commonly installed to distribute voice and data services in the work place. Klicktv PRO series products enable TV and video to be distributed over structured cabling as well, providing all the functionality of coaxial cable based Cable TVand SMATV distribution systems without the need to install coaxial cable. TV and video distribution over structured cabling should not be confused with more sophisticated IPTV technology which distributes TV and video over data networks as streams of data which co exist with other data on the network.
To distribute TV over Cat5, the TV signals are received and demodulated to baseband video + audio signals. For example, in the case of Freeview channels, the signal received by a TV antenna is processed by a Freeview Set Top Box (STB) to produce video + audio signals at its output. Several sets of video + audio signals derived in this way are input to a video over Cat5 switch which enables users connected to the output of the switch over Cat5 cabling links to select the input they wish to view.
The PRO series products comprise a range of modular switch matrices with input/output configurations from 8x8 (8 inputs and 8 outputs) to 32x32. They are stacked to build switching systems to support up to 160 users. At the viewing point a small AV receiver interfaces to the TV. Channel selection is by IR remote control.
The systems operate with up to 300 metres of Cat5, Cat5e or Cat6 cable, and there is a "reverse path" facility which enables centrally located source equipment to be remotely controlled from the viewing point. This is illustrated in the diagram below where the Sky Set Top Box (STB) is controlled from the lower TV position.
PRO range switches are all 19” rack mount with internal power supply.
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