JDSU TP500 Guia do Utilizador descarregar pdf (Página 11)

Split Pair – A split pair is an error in the twisting

of the wires together within the cable. The

cables generally are made up of eight wires

twisted together in 4 pairs. These 4 pairs are

designated as pairs by the wiring standards

and are intended to carry a signal and it’s

return. 1 & 2, 3 & 6, 4 & 5 and 7 & 8 are the

pairs designated by T568A/B. A cable can

be wired with correct continuity, but not with

correct pairing. This most often happens when

the cable is terminated consistently at both

ends, but in the wrong order. A dynamic or AC

test is required to detect this type of error. If

the only error is a split pair error, the cable has

correct continuity. If cross talk is not a concern,

as in flat satin cable, the cable is good if the

only error is the split pair error.

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JDSU TP500 Guia do Utilizador Página 11