With the increase in the use of on-demand video technology, it is now commonplace to run
television cable alongside data and telephone cabling. In businesses where local cable access is
possible, television cable will be run into the building and distributed to many areas to provide
cable access. You may be wondering what cable TV has to do with business. The answer is
plenty. News, stock updates, technology access, public-access programs, and, most importantly,
Internet connections can all be delivered through television cable. Additionally, television
cable is used for security cameras in buildings.
Like telephone cable, television cables can share the wiring pathways with their data counterparts.
Television cable typically uses coaxial cable (usually RG-6/U cable) along with F-type, 75-
ohm coaxial connectors. The cables to the various outlets are run back to a central point where
they are connected to a distribution device. This device is usually an unpowered splitter, but it can
also be a powered, complex device known as a television distribution frame. Figure 12.4 shows
how a typical television cabling system might look.
Tuesday, October 5, 2010
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