Glossary
Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06 July 2008 GL-11
3FE 51892 AAAA TCZZA Edition 01 ONT Product Information Manual
MCR Minimum Cell Rate
An available bit-rate service traffic descriptor in cells/sec. The rate at which
the source is always allowed to send.
MD MD is expanded in two ways:
• Mixed Density
• Monitor Diode
MD5 Message Digit algorithm 5
MDF Main Distribution Frame
MDI Medium Dependent Interface
MDI is a type of Ethernet port for use with twisted-pair cabling.
MDIX Medium Dependent Interface Crossover
The MDIX version of MDI enables the connection of like devices using
straight-through twisted-pair for MDI port to MDIX port connections and
crossover twisted-pair for MDI-to-MDI or MDIX-to-MDIX connections.
MIB Management Information Base
A database of network performance information that is stored on a network
agent for access by a network management station.
MII Media Independent Interface
MLT Mechanized Loop Test
MMF Multimode Fiber
An optical fiber with a core diameter from 50 to 100 microns. Most
commonly used in short distance LANs. The larger core diameter allows
broader light sources such as LEDs. Modal dispersion is a problem over
longer distances.
MoCA Multimedia over Coax Alliance
MOS Mean Opinion Scores
MPI Message Passing Interface
MPOE Minimum Point of Entry
MTTR Mean Time To Repair
NAT Network Address Translation
NB Narrow Band
NE Network Element
Hardware or combined hardware-software that is designed to perform within
a telecommunications system.
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