Wiring Straight and Crossover Ethernet Cables

There is one exception that you should be aware of. Many hubs include what is known as an uplink port, which is usually marked with an “X”. The uplink port provides a crossover function internally. Because of this, you can connect two hubs together with a straight cable, as long as one end is connected to an uplink port.

Author: Dan DiNicolo

Dan DiNicolo is a freelance author, consultant, trainer, and the managing editor of 2000Trainers.com. He is the author of the CCNA Study Guide found on this site, as well as many books including the PC Magazine titles Windows XP Security Solutions and Windows Vista Security Solutions. Click here to contact Dan.