RJ45 Network Cabling (TIA/EIA-568B Standard)

Details
Written by: Emerald City IT
Category: Pinout Configurations
The TIA/EIA-568B standard is the foundational wiring scheme used for commercial and residential Ethernet networking in North America. Our Certified Fiber Optic and Network Technicians utilize this exact mapping when patching infrastructure, crimping field plugs, and configuring office patch panels to guarantee full multi-gigabit throughput. [1, 2, 3, 4]
  • Pin 1: 🟠 White/Orange stripe | Transmit Data (+)
  • Pin 2: 🟠 Solid Orange | Transmit Data (-)
  • Pin 3: 🟢 White/Green stripe | Receive Data (+)
  • Pin 4: 🔵 Solid Blue | Reserved / PoE Power (+)
  • Pin 5: 🔵 White/Blue stripe | Reserved / PoE Power (+)
  • Pin 6: 🟢 Solid Green | Receive Data (-)
  • Pin 7: 🟤 White/Brown stripe | Reserved / PoE Power (-)
  • Pin 8: 🟤 Solid Brown | Reserved / PoE Power (-) [1, 2, 3, 4, 5]
Technical note: Standard 10/100 Mbps Ethernet only requires Pins 1, 2, 3, and 6 to transmit data. However, 1000BASE-T (Gigabit) and 10GBASE-T networks require all 8 pins to operate simultaneously in bidirectional modes. [1, 2, 3, 4, 5]