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E5J88-0001-05-L without Magnetics 1×4 RJ45 Connector For Intel Gigabit NIC

The RJ interface we usually use now, also known as 8P8C, is 8 grooves and 8 metal contacts. The function of each contact is different. In a 100M network, four contacts, 1, 2, 3, and 6 are used. In a 1000M network, 8 contacts are used at the same time. Our usual wiring sequence generally uses T-568B in the current network transmission medium is twisted pair and optical fiber. For the twisted pair transmission medium, the local area network standard is 100BASE-TX and 1000BASE-T. The transmission standard of the physical layer is specified, and the network port uses RJ.