Service manual

Glossary
g-17
Glossary
management
information base
The related set of software objects (variables) that a gateway running
the SNMP management protocol maintains. A MIB defines variables
needed by the SNMP protocol to monitor and control components in
the network.
management server A rack-mounted processor shipped with a director or switch, and
dedicated to running the EFC Manager application, Element
Manager application, and Cluster Manager application. Formerly
EFC Server.
Mb See megabit.
MB See megabyte.
Mbps Acronym for megabits per second.
MBps Acronym for megabytes per second.
media access control
address
AMACaddressisauniquehardwarenumberofadeviceonaLAN
or other network. The MAC address is used by the media access
control sublayer of the TCP/IP data-link layer.
megabit A unit of measure for data storage, equal to 1,048,576 bits. A megabit
is generally approximated as one million bits.
megabyte A unit of measure for data storage, equal to 1,048,576 bytes. A
megabyte is generally approximated as one million bytes.
message path
controller card
A printed circuit board (ED-5000 Director only) that provides the
mechanism for messages to be sent and received between director
ports. The board also provides a system clock source and central
control and distribution of clocks for MPC, G_Port module (GPM),
and central memory module (CMM) boards.
metropolitan area
network
A high-speed communication network designed to link together sites
in a metropolitan or campus area, comprised of distances up to 100
kilometers. Contrast with local area network, storage area network,and
wide area network.
MIB See management information base.
MPC card See message path controller card.