Twisted-Pair Cabling Overview
The wires themselves are assigned a color to distinguish them. The color is
dictated by the cabling standard - TIA/EIA-568B is the current standard:
For communication to occur, transmit pins must connect to the receive pins
of the remote host. This does not occur in a straight-through configuration:
The pins must be crossed-over for communication to be successful:
The crossover can be controlled either by the cable, or an intermediary
device, such as a hub or switch.
Twisted Pair Cabling and arrangment – Cable and Interface Types
A typical twisted-pair cable consists of four pairs of copper wires, for a
total of eight wires. Each side of the cable is terminated using an RJ45
connector, which has eight pins. When the connector is crimped onto the
cable, these pins make contact with each wire.
total of eight wires. Each side of the cable is terminated using an RJ45
connector, which has eight pins. When the connector is crimped onto the
cable, these pins make contact with each wire.
The wires themselves are assigned a color to distinguish them. The color is
dictated by the cabling standard - TIA/EIA-568B is the current standard:
Each wire is assigned a specific purpose. For example, both Ethernet and
Fast Ethernet use two wires to transmit, and two wires to receive data, while
the other four pins remain unused.
Fast Ethernet use two wires to transmit, and two wires to receive data, while
the other four pins remain unused.
For communication to occur, transmit pins must connect to the receive pins
of the remote host. This does not occur in a straight-through configuration:
The pins must be crossed-over for communication to be successful:
The crossover can be controlled either by the cable, or an intermediary
device, such as a hub or switch.
Twisted Pair Cabling and arrangment – Cable and Interface Types
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