What Is a LAN Connector?


Local Area Networks (LANs) are the small networks to which many business and home computer user initially connect. These networks enable such functions as file, drive, and printer sharing while also directing traffic to and from the Internet. Depending on the age and type of computer, network users may be connecting with one of several different types of LAN connectors, and may be subject to some interesting considerations.

Function
Regardless of the type of connector, LAN connectors serve the same general purpose: transferring data between the individual computer and the network to which it is connected. By passing data through the LAN connector, the computer is able to exchange information and share resources with other nearby computers as well as access information on machines located around the world (assuming the LAN has a gateway to the Internet). The protocol used by the LAN connector depends entirely on the type of network to which the computer is connected, though most modern LAN connectors divide data into small segments known as "packets," assign an Internet Protocol (IP) address corresponding to the packet's destination, and send the packet out over the connected network cable.

Types
As mentioned above, most modern computers rely on Ethernet LAN connectors to send and receive data using Internet Protocol (IP). The Ethernet cable connected to these connectors may fall into one of several categories; the most prominent is currently Category Five (Cat 5), though Category Five-E (Cat 5e) and Category Six (Cat 6) are gaining popularity. Regardless of category, these cables generally connect to LAN connectors using an RJ-45 modular plug. Some older computers may also communicate over Token Ring or 10-Base T LAN connector using either RJ-45 modular cabling or coaxial cable similar to that used in cable television setups.

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