What distinguishes a crossover cable from a patch cord?

A crossover cable is distinct from a patch cord primarily due to its wiring configuration, which involves different pinout patterns on its connectors. Specifically, a crossover cable connects transmit pins on one end to receive pins on the other, allowing for direct connections between similar devices, such as connecting two computers directly to each other or linking two switches. This pinout arrangement is essential for facilitating communication between devices that typically transmit and receive on the same pins.

In contrast, a patch cord generally utilizes a standard pinout pattern, allowing it to connect devices of different types, such as a computer to a switch or router. Understanding this fundamental difference is crucial for network setup and troubleshooting, as using the wrong type of cable could result in connection failure or improper communication between devices.