G
LOSSARY
Glossary-4
LAN Segment
Separate LAN or collision domain.
LED
Light emitting diode used for monitoring a device or network condition.
Local Area Network
A group of interconnected computers and support devices.
Media Access Control (MAC)
A portion of the networking protocol that governs access to the
transmission medium, facilitating the exchange of data between network
nodes.
MIB
An acronym for Management Information Base. It is a set of database
objects that contains informa tion about the device.
Network Diameter
Wire distance between two end stations in the same collision domain.
Redundant Power Unit (RPU)
A backup power supply that automatically takes over in case the primary
power supply should fail.
RJ-45 Connector
A connector for twisted-pair wiring.
Switched Ports
Ports that are on separate collision domains or LAN segments.