Glossary Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business. Show only animated 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z M2M MAC MAC Address Macrobend Macrocell Main Distribution Frame (MDF) MAN Manageable Hubs MAP MAPOS Massive MIMO - mMIMO Maximum Time Interval Error (MTIE) MB MB/s MBaud Mbit Mbit/s MBR MC MCF MCPPT MDF MDI MDU ME-LDPC Mean Opinion Score (MOS) Mean Time to Repair (MTTR) Mechanical Splice Media Media Access Control (MAC) Media Access Control (MAC) Address Media Access Control (MAC) Frame Media Gateway (MGW) Media Gateway Controller (MGC) Media Independent Interface (MII) Media Loss Rate (MLR) Media Resource Function Controller (MRFC) Media Resource Function Processor (MRFP) Medium Dependent Interface (MDI) MEF MEF 17 MEF 30.1 MEF 35 Megabit (Mbit or Mb) Megabits per Second (Mbit/s or Mb/s) Megabyte (MB) MEN Metropolitan Area Network (MAN) MFAS MFD MFI MGC MGCF MGW MIB Microbend MII Millions of Instructions per Second (MIPS) MIPS MISO ML-PPP MLM MLR MM MME MMF mMTC mmWave MNO Mobile Application Part (MAP) Mobile Network Operator (MNO) Mode-Field Diameter Modem MON MOS Moving Pictures Experts Group (MPEG) MPEG MPI MPLS MPTS MRFC MRFP MRTIE MS MSA MSC MSO MSOH MSP MSPP MST MSTP MTA MTC MTIE MTTR MU-MIMO Multi-access edge computing (MEC) Multicast Multicast Address Multidwelling Unit (MDU) Multigigabit Ethernet Multilink Point-to-Point Protocol (ML-PPP or MP) Multimode Fiber (MMF) MultiNAT Multinetwork Address Translation (MultiNAT) Multipath Interference (MPI) Multiple input, multiple output (MIMO) Multiplexing Multiservice Testing MWM