EMC Connectrix B Series Hardware Reference Manual page 121

MB/s Megabytes per second.
Mb/s Megabits per second.
Media See Transceiver.
Metric A relative value assigned to a route to aid in calculating the shortest
path (1000 @ 1 Gb/s, 500 @ 2 Gb/s).
MIA Media interface adapter. A device that converts optical connections to
copper ones, and vice-versa.
MIB Management Information Base. An SNMP structure to help with
device management, providing configuration and device
information.
MMF Multimode fiber. See SWL.
MRK Mark primitive signal. Used only in arbitrated loop, MRK is
transmitted by an L_Port for synchronization and is vendor-specific.
MS Management Server. The Management Server allows a storage area
network (SAN) management application to retrieve information and
administer the fabric and interconnected elements, such as switches,
servers, and storage devices. The MS is located at the Fibre Channel
well-known address FFFFFAh.
MSD Management Server daemon. Monitors the MS. Includes the Fabric
Configuration Service and the Unzoned Name Server.
MTBF Mean time between failures. An expression of time, indicating the
longevity of a device.
Multicast
The transmission of data from a single source to multiple specified
N_Ports (as opposed to all the ports on the network). See also
Broadcast and Unicast.
Multimode
A fiber-optic cabling specification that allows up to 500 meters for
1 GB Fibre Channel and 300 meters for 2 GB Fibre Channel between
devices.
Connectrix B Series XPath OS AP-7420B Hardware Reference Manual
Glossary
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