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G-4 Glossary
Writer: Chris Seiter Project: Glossary Comments: 283237-001
File Name:2824_G.DOC Last Saved On:6/27/97 5:15 PM
Jabbering Continuous transmission from a node, generally as a result
of hardware or firmware failure.
Latency The time duration from when the first preamble bit of a
packet enters one port to when the first preamble bit of that
same packet exits another port.
Link Test A link test is performed by the port hardware before
transmit and receive functions are enabled to ensure the
integrity of the cable (the link).
MAC See Media Access Controller.
MAC Address The Ethernet MAC address is a 6-byte node address. All
Ethernet node addresses are unique.
Manageable A hub is manageable if it does not contain management
agent firmware. Manageable units can be managed only if
they are attached to a managing unit.
Management
Information Base Describes an agent’s configuration flexibility, diagnostic
ability and information that can be reported to a network
management station.
Managing A hub is managing if it contains management agent
firmware. A Netelligent 2824 managing unit can
communicate over Ethernet and over its serial port.
MDI UTP contact assignments without internal crossover.
MDI-X UTP contact assignments with internal crossover.
Media Access
Controller A device that governs access to transmission media.
MIB See Management Information Base.
MII Media Independent Interface
NIC Network Interface Controller. Connects a node to a