CAT 5e help

By noob2011
Dec 23, 2011
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  1. Hello Guys just a quick question,

    What is the maximum permitted length of cable for a Cat 5e data point from the computer terminal to a hub or data switch.

  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

  3. Buckshot420

    Buckshot420 TS Enthusiast Posts: 301

    The technical specification for Cat5e specifies a total length of 100 meters (about 328 feet).

    This usually breaks down (during design) to 90 meters of 'structured cable' (cable that is permanently installed from one point to another) and ten meters (33 feet) of connecting cables for the ends.

    This isn't the complete answer however. The Cat 5e specification is less about length and more about performance. It's quite possible that a cable can be shorter than 100m and still not meet the Cat 5e standard.

    The most common cause is poor installation. A cable that bends too sharply deforms the wiring inside and can cause the signal sent on one wire to interfere with the signal on another. Cable that is not properly terminated can cause loss of data because of poor connections or wire to wire interference.

    On the other hand, if you simply ignore the arbitrary length limit and concentrate on proper installation methods, you can easily obtain Cat 5e PERFORMANCE well beyond the stated 100 meters.

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