<Bus Topology> | Star Topology | Ring Topology

   A bus topology is characterized by a main trunk or backbone line with a networked computers attached at intervals along the trunk line. This topology type is considered a passive topology because the computers on a bus just sit and listen. When they "hear" data on the wire that belongs to them, they accept that data. When they are ready to transmit, they make sure no one else on the bus is transmitting and they send their packets of information.

   Bus network typically use coaxial networking cable hooked to each computer using a T-connector. Each end of the network is terminated using a terminator specific to cable type.

   Bus networks are easy to assemble and are easy to extend. They require a fairly limited amount of cabling when compared to other topologies. Bus networks are prone to cable breaks, loose connectors, and cable shorts that can be very difficult to troubleshoot. One physical problem on the network, such as a detached connector, can actually bring down the entire bus network.

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