What Is Gigabit Ethernet? – POFTUT


Gigabit Ethernet is a speed definition for the Ethernet protocol which can provide 1-gigabit data transmission per second. 1 Gigabit is equal to the 1,000Mbps speed. Gigabit Ethernet also refers to an ethernet port which can provide 1-gigabit speed.

Gigabit Ethernet Standard

Gigabit Ethernet is an established standard which is mainly described IEEE 1000Base-T (802.3ab) and later TIA 1000Base-TX is created which requires CAT6 cable to work in a reliable fashion. Other relavent standards are

  • 1000BASE-CX is the first Gigabit Ethernet standard which works in 25 meters.
  • 1000BASE-SX is a fiber cable Gigabit Ethernet standard which works up to 550 meters.
  • 1000BASE-LX is another fiber optic cable standard which works up to 5 kilometers.
  • 1000BASE-T is coaxial cable or CAT5E or CAT6 standard which works up to 100 meters.

Gigabit Ethernet Connection (Port and Cable)

Gigabit is a very fast connection wherein a single second 120 MB or megabyte data can be transferred theoretically. But in the real world, it may a bit lower related to the remote system speed. As a fast connection, Gigabit Ethernet port and cable should meet some requirements which are generally CAT5e or CAT6 cable or fiber cable. Even fiber cable provides less delay creating a fiber cable infrastructure that is hard and expensive. Generally, CAT6 cables are used to connect network devices like modem, switch router, firewall, computer with each other. As a connector like other ethernet connections, RJ-45 is used.

How To List Gigabit Ethernet in Windows

In windows to get information about the Gigabit Ethernet the Control Panel -> Network and Internet -> Network Connections steps should be following and the following screen will list existing network connections. Generally the network connection name will contain Gigabit term which refers to the Gigabit Ethernet.

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Also double click to the interface will show detailed information where also speed will list 1.0 Gbps which is gigabit connection.

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1 Gigabit Ethernet

Gigabit Ethernet vs Fast Ethernet

Fast Ethernet is another ethernet connection type or speed which is one level lower than Gigabit ethernet. Gigabit ethernet provides 1 Gbps or 1.000 Mbps speed where Fast Ethernet is 100Mbps . This means Gigabit ethernet has 10 times more bandwidth then fast ethernet. Also fast ethernet can work with CAT5 but gigabit can only work with CAT5E.



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