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FAQs

Ethernet Switches

What is a Ethernet Switch?

A switch connects all computer LAN connections into one device like a hub. Unlike hubs, switches can run at full-duplex mode. This means that the computer and switch can both transmit and receive simultaneously. The biggest difference between a switch and a hub is that when a computer transmits a digital signal to a hub, it’s then sent to all ports attached to that hub, whereas a switch will send it only to the specific port where the destination MAC address is located.

What is the maximum length of Category 3, 4 or 5 twisted pair cable that can be used between computers and other devices such as hubs, switches, other computers, etc.?

The maximum length of Category 3, 4 or 5 twisted pair cable that can be used between computers and other devices on a network is 100 meters or about 328 feet. Keep in mind that this is a theoretical limit. Usually, you will want to keep the distance between devices well below the limit.