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Encyclopedia > Yellow cable

10BASE5 (also known as thicknet) is the original "full spec" variant of Ethernet cable, using RG-8 (Radio Guide - 8) coaxial cable. A stiff, large diameter cable with an impedance of 50 ohms and with multiple shielding. The outer sheath is often yellow polyvinyl chloride so it frequently is just called "yellow cable". The name 10BASE5 is derived from several characteristics of the physical medium. The 10 refers to its transmission speed of 10 mbit/s. The BASE is short for baseband signalling as opposed to broadband, and the 5 stands for the maximum segment length of 500 metres. Ethernet, Wi-Fi, Token ring, FDDI, PPP RS-232, EIA-422, RS-449, EIA-485, 10BASE2, 10BASE-T... Ethernet (this name comes from the physical concept of ether) is a frame based computer networking technology for local area networks (LANs). ... Coaxial cable is an electrical cable consisting of a round conducting wire, surrounded by an insulating spacer, surrounded by a cylindrical conducting sheath, and usually surrounded by a final insulating layer. ... The ohm is the SI derived unit of electrical resistance (derived from the ampere and the watt). ... Vinyl siding Polyvinyl chloride (PVC) is a widely-used plastic. ... A megabit per second (mbps or mbit/s) is a unit of data transmission equal to 1,000 kilobits per second or 1,000,000 bits per second. ... WRONG ... Broadband in general refers to data transmission where multiple pieces of data are sent simultaneously to increase the effective rate of transmission. ... The metre, or meter, is the basic unit of length in the International System of Units (SI: Système International dUnités). ...


10BASE5 cable is designed to allow transceivers to be added while existing connections are live. This is achieved using a vampire tap - a device which (with sufficient practice) clamps onto the cable, forcing a spike through the outer shielding to contact the inner conductor while other spikes bite into the outer conductor. This is often built into the transceiver and a more flexible multi-wire cable carries the connection between the transceiver and the node. A transceiver is a device that has a transmitter and receiver which is combined into a one unit. ... A vampire tap is a device for physically connecting a station (i. ... A node is a device connected to a computer network. ...


The maximum practical number of nodes that can be connected to a 10BASE5 segment is limited to 100 and transceivers may only be installed every 2.5 meters. These suitable points are marked on the cable with black bands. The tranceivers connect to nodes using a DB-15-style connector (identical in appearance to a joystick port) called Attachment Unit Interface (AUI). The D-subminiature or D-sub is a common type of electrical connector used particularly in computers (i. ... An Attachment Unit Interface (AUI) is a 15pin transceiver cable that provides a path between a nodes Ethernet interface and the MAU. It is the part of the IEEE Ethernet standard located between the MAC, and the MAU. A modified form using a smaller adapter called the AAUI was...


See also

10BASE2 cable showing BNC Connector end. ... FUCK! ... A computer network is a system for communication among two or more computers. ... Ethernet, Wi-Fi, Token ring, FDDI, PPP RS-232, EIA-422, RS-449, EIA-485, 10BASE2, 10BASE-T... Ethernet (this name comes from the physical concept of ether) is a frame based computer networking technology for local area networks (LANs). ...

References

This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL.

  Results from FactBites:
 
10BASE5 - Wikipedia, the free encyclopedia (278 words)
A stiff, large diameter cable with an impedance of 50 ohms and with multiple shielding.
The outer sheath is often yellow polyvinyl chloride so it frequently is just called "yellow cable".
This is achieved using a vampire tap - a device which (with sufficient practice) clamps onto the cable, forcing a spike through the outer shielding to contact the inner conductor while other spikes bite into the outer conductor.
  More results at FactBites »


 

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