Technology local area networks (LAN) that uses the protocol of the same name and has the capacity to transmit up to 10 Mbps (megabits per second). It was originally developed by Xerox Corporation in 1976 and works in a bus topology (linear network in which nodes are attached to a main cable called the bus, using short lengths) or star in which the nodes are connected by cbale coaxial, fiber optic or RJ45 CAT5 cable.
Ethernet is defined in the IEEE 802.3 standard, which describes a complete family of devices for LAN and uses CSMA / CD (Carrier Sense Multiple Access / Collision Detection) as a mechanism to prevent failures in the network as this prevents collisions when the devices online trying to access the network simultaneously. The information is transmitted in variable length packets that contain information for control and distribution that can reach a maximum size of 1500 bytes.
It is a fairly mature technology which makes it inexpensive and easy to install but for its modest benefits is not appropriate for networks that support trafficking informción be voluminous.
There are several types of Ethernet which differs in the type of cable used:
10Base-5 (Thick Ethernet, or Thickwire ThickNet). Use a bus topology, a coaxial cable which is commonly known as “Thick Ethernet ‘and segments of a maximum length of 500 meters. You can connect up to 100 nodes per segment. (A node is any network device capable of communicating with another). Use BNC connectors.
10Base-2 (Thin Ethernet). It uses a bus topology, coaxial cable known as “Ethernet Delgado ‘and segments of a maximum length of 185 meters. Connect up to 30 nodes per segment. Known as Thinnet. Use BNC connectors.
10Base-T (Twisted Pair Ethernet). Uses star topology, twisted pair (similar to cable telephone cable) and its segments can have a maximum length of 100 meters. It offers the possibility to connect to 1024 nodes per segment. Use RJ-45 connectors.
10Base-F (Fiber Optic Ethernet). Uses star topology, fiber optics and can be extended to a distance of two kilometers. You can connect up to 1,024 nodes per segment and everyone should go to a hub (HUB) central.
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