A-4Fast Ethernet Network Interface CardsTwisted Pair Cable TypesStraight-through CableThe majority of twisted-pair environments utilize twisted-paircables that are wired straight-through. This means that each pin ofthe modular plug connector is wired to the same pin on the oppositeend of the cable (i.e., pin 1 is wired to pin 1). Straight-through cablesconnect workstations and servers to repeaters and switches. Cablesfor 100BASE-TX use two pairs (pins 1, 2, 3, and 6). Cables for100BASE-T4 use four pairs (pins 1 through 8).1 3 4 5 6 7 82 1 3 4 5 6 7 82Pins used for T4 and TXAdditional pins used for T4 only
