Question: What Is An Ethernet Port?
An Ethernet port
is an opening on computer network equipment that Ethernet cables plug into. These ports are alternatively called jacks
. Ethernet ports accept cables with RJ-45
Ethernet Ports on Computers
Most computers include one built-in Ethernet port for connecting the device to a wired network. (A notable exception, the MacBook Air, does not but allows connecting an Ethernet dongle
to its USB
port.) A computer's Ethernet port is connected to its internal Ethernet network adapter
Ethernet Ports on Routers
All popular broadband routers
feature Ethernet ports. An uplink port
(also called WAN port
) is a special Ethernet jack on routers used specifically for connecting to a broadband modem. Wireless routers include a WAN port and typically four additional Ethernet ports for wired connections.
Ethernet Ports on Consumer Electronics
Many other types of consumer gadgets now also include Ethernet ports for home networking. Examples include game consoles, digital video recorders and even some newer televisions.