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Shielded (or double-shielded) CAT5 cable can do 100m easily.
Wire pairs 1 & 3 and 2 & 6 are used when the network is working half-duplex, the rest are needed for full-duplex operation, ie. data receiving & transmitting at the same time.
Its not recommended that a CAT5 UTP cable exceed 100 metres.
You will need a signal repeater of some sort and then an additional cable if you want to go further than that.
Last edited by Panama Red; 06-15-2009 at 07:49 AM.
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