RJ45 Ethernet Pinout: T-568A and T-568B Crimping Reference 2026-09-07 ·1 min readA quick RJ45 Ethernet crimping reference with T-568A and T-568B wire orders, connector orientation, and notes on crossover cables.cable-crimpingcat5ecat6ethernetethernet-cableethernet-crimpingethernet-wiringhardwarelannetwork-cablenetworkingrj45rj45-pinoutt-568at-568btwisted-pair