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Does UTP Cat 5 resist movement and flexibility?

I'm planning to install screens in elevators displaying video/advertising and news.

We'll send info from a building server to the elevator using UTP Cat 5 using KVM extension. It permits us to send from the CPU to a display up to 1000 feet away.

With a non-CPU display is critical the cable, we depend in the connection all the time. My question is: the UTP cat 5 would be installed in the shaft of the elevator with the other cables. Do you know if UTP Cat 5 could resist movement, and flexibility? It will be installed together with the other cables of the elevator system. It is not so hard use, but it has some grade of movement.
Category 5 UTP cable is intended for network installations where the cable is not suppose to move at all once installed.

While most CAT 5 cables include a special strengthener that is basically a strand of very tough polyester-like string, I wouldn't know if it will be enough to withstand the constant movement the elevator system will produce.

Since the core of the CAT 5 cable is usually multi-strand, it will most likely snap after a few hundred movements. If the curves created, after the cable installation, are wide enough, you might be able to use the cable without any problems, as the movement will not be concentrated on a specific area, putting less stress on the cable.

If you do end up installing CAT 5 cable, I'd highly advise you buy the softest possible cable you can get, as its likely to be less sensitive to movements.

This was last published in November 2003

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