Straight-through cables usually connect PC/NIC cards to hubs, a simple physical connection on printers, computers, and other network interfaces. Now, T-568B straight-through wiring cables are more popular than T-568A ones. In other words, Pin 1 on one end of the plug connects to Pin 1 on the other, not switching or changing along the way. The same T568A or T568B wiring standard applies to this wiring method on both ends. Straight-through cables, known as patch cables, whose connectors A and B have identical wire routing and color schemes, are common Ethernet cables used for Ethernet connections. So you can see straight-through and crossover cables in life. Ethernet Cable Types Based on Different Color Codesĭifferent wiring methods or color coding techniques are used to build Ethernet cables. Network cables are connected to a switch. The color code of T568A Pin Wire Color Signal Signal Description 1 White/Green TX1+ Transmit + 2 Green TX1- Transmit – 3 White/Orange RX+ Receive + 4 Blue TX2+ Bi-Directional Transmit + 5 White/Blue TX2- Bi-Directional Transmit – 6 Orange RX- Receive – 7 White/Brown TX3+ Bi-Directional Transmit + 8 Brown TX3- Bi-Directional Transmit – T568B’s Color Designation Pin Wire Color Signal Signal Description 1 White/orange TX1+ Transmit + 2 Orange TX1- Transmit – 3 White/Green RX+ Receive + 4 Blue TX2+ Bi-Directional Transmit + 5 White/Blue TX2- Bi-Directional Transmit – 6 Green RX- Receive – 7 White/Brown TX3+ Bi-Directional Transmit + 8 Brown TX3- Bi-Directional Transmit – The T568A standard is less popular, while the T568B standard is the most widely used in Ethernet cables.
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