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Straight Through Cable 1 2 1 2 3 6 3 6 The two active pairs in a 100BASE-TX network are pins 1 & 2 and pins 3 & 6. Twisted Pair #1 Use only dedicated wire pairs (such as blue/white & white/blue, orange/white & Twisted white/orange) for the active pins. Pair #2 CAUTION: RJ connectors are NOT INTENDED FOR CONNECTION TO THE PUBLIC TELEPHONE NETWORK. Failure to observe this caution could result damage to the public telephone network. Der Anschluss dieses Gerates an ein offentlickes Telekommunikation