What is Maximum length of cat5 straight cable

D-link Dsl2540b adsl2/2+ modem with 4por...
January 6, 2010 at 23:55:32
Specs: Windows XP
what should be the maximum length of cat5 cable to connect a pc from a 8port iball modem for internet

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January 7, 2010 at 01:10:06
100 meters is the maximum length of any length of cable between nodes that carrying Ethernet signals.


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January 7, 2010 at 07:33:46
Just an FYI though, experience has taught me you don't really want to exceed say, 85 m, as beyond that, you can get attenuation and signal degradation. Especially if your cable passes close to any sources of interference such as fluorescent light ballasts etc.

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January 7, 2010 at 10:54:06
The cable specification actually includes how the entire installation needs to be performed to maintain a designed speed rating. Any variation from that spec can reduce total design length. If one disregards any of the specs you get what people notice. Things as simple as a tight bend can cause the quality to be reduced. Any EFM like lights and motors are need to be shielded or maintain distances.

It can be that you could run a much longer length of cable and it would work fine for your application. The length isn't a magical number it is only the rated limit. For a simple enough test put two ends on a box of wire and hook it up. It will work but may default to 10M or so.

Some network devices could be much better than others. A cheap soho device may not even be up to the actual rated or could be better. As a general rule I think the more expensive stuff tends to perform as sold.

Playing to the angels
Les Paul (1915-2009)

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