Glossary

Note: these aren't the definitions you'd find in a book. If that's what you want, then go look in a book. These are they way I would explain the terms to someone. I'd appreciate it if you'd let me know of anything that's misleading or just plain wrong, but I'm not trying to be too strict. Life is tough enough. Sometimes, I may show some sarcasm, though.

Cross-Over

A cross-over cable is an ethernet cable that reverses the "transmit" and "receive" pairs from one end to the other. That is, the transmit pair at one end is wired to the pins for the receive pair at the other end. This lets two Ethernet devices talk to each other directly. Otherwise, each Ethernet device needs to be plugged into a hub. See wiring diagram.