Network crossover patch cable

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Crossover Gray Red Yellow Orange 3ft 5ft 7ft 10ft 14ft 25ft Looking for a combination not listed? Please contact your C2G Rep or submit a custom cable request to learn more. Connector Guides. In fact, patch cable and crossover cable are two types of Ethernet cable, and they have the same physical characteristics. But what on earth is the difference between the patch cable and crossover cable? With regard to these two patch cable wiring schemes, there are two different connectivity forms. The TB wiring scheme is by far the most common, though many devices support the TA wiring scheme as well.

If both ends of the patch cords are wired on the basis of one standard, it is a straight through connection. Both the standards can be used for straight through cable. If not, it is a crossover connection. Some networking applications require an Ethernet crossover cable, which has a TA connector on one end and a TB connector on the other.

This type of cable is typically used for direct computer-to-computer connections. The following section will introduce the straight through cable or patch cable and crossover cable in details.

Many networking professionals use the term patch cable to refer to any kind of straight through cable. So a patch cable is often called a straight through cable. In other words, patch cable does not change or swap along its way. Both ends use the same wiring standard: TA or TB. So both side connector A and connector B of patch cable have wire arrangement with same patch cable colors as shown in the following picture.

These patch cables are widely used for connecting the computer to the switches, hubs, or routers. Crossover cable, as the name suggests, cross over or swap on its way when coming from one end to the other.

Unlike patch cable, crossover cable uses two different wiring standards on both end: one end uses the TA wiring standard, and the other end uses the TB wiring standard. Both side connector A and connector B of crossover cable have wire arrangement with different color, and the wires that come out of the connector A should match the correct pin at the connector B.

As shown in the following wiring scheme, you can see that Pin 1 on connector A goes to Pin 3 on connector B, pin 2 to pin 6, pin 3 to pin 1 and pin 6 to pin 2, etc. The crossover cables are mainly used for connecting two routers, computers, or hubs. In brief, a crossover cable connects two devices of the same type to communicate together, like a PC to a PC, or a switch to a switch.

The patch cable connects two different devices to each other, like a PC and a switch.