Glossary, Acronyms, and Abbreviations - IIUSA

MTDBU - mean time between data unavailability
MTDN - Marine Corps Tactical Data Network
MTDS - Marine tactical data system
MTF - message text format
MTF - modulation transfer function
MTG - Master Timing Generator
MTI - moving target indicator
MTI - Message Transfer Interface
MTM - McLintock theater model
MTMP - MACOM Telephone Modernization Program
MTOPS - million composite theoretical operations per second
MTRACS - multiple input tracking control system
MTS - Marine tactical system
MTS - message transfer system
MTSO - mobile telephone switching office
MTSR - mean-time-to-service-restoral
MTT - magnetic tape transport
MTTF - mean-time-to-failure
MTTR - mean-time-to-repair
MTU - (Maximum Transfer Unit) - An MTU is the largest frame length
which may be sent on a physical medium.
MTW - Major Theater War
MTWS - Marine Tactical Warfare Simulation
MTWSS - MAGTF tactical warfare simulation system
Mu-Law - Mu-law is the companding standard used in the analog-todigital
conversion process (and vice-versa) in PCM systems,
North American telephone networks.
MUF - maximum usable frequency
MUF - military unique features
MUI - multimedia user interface
Multidrop - A communications arrangement where multiple devices
share a common transmission channel, although only one device
may transmit at a time.
Multijunction Unit (MJU) - Equipment at the customer's site that
connect to a DSU to multipoint operation.
Multiplexer - A device, also called a MUX that can transmit several
messages or signals in a high-speed data stream on a single
channel.
Multiplexing Format - The N.E.T. multiplexing format used on the
sync card to multiplex subrate data ports into the sync trunk DS0
channels.
Multiservice Access Platform - Intelligent T3/T1 multiplexers
capable of complex switching and routing needed for backbone
T3/T1 networks. A network system facility that connects with
customer devices and T1/T3/E3 trunks. Physically, it may consist
of several shelves. Logically, it is controlled by a single software
supervisor, which may be distributed among several processors.
MULTS - Mobile Universal Link Translator System (Navy)
MUSE - multidimensional user-oriented synthetic environment
MUSE - Multiple Sub-Nyquist Encoding
MUSIC - multiple signal classification
MUSTRS - multi-sensor target recognition system
MUTES - multiple threat emitter simulator
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MUX - multiplexer
mV - millivolts
MVDM - multiple virtual DOS machines
MVGA - monochrome video graphics array
MVIP - Multivendor Integration Protocol
MVP - multimedia video processor
mvr - maneuver
MVS - message validation system
MVS - multiple virtual storage
MVS - modular video studio
MW - microwave
mw - milliwatt
MW - morale and welfare
MWCS - Marine wing communications squadron
MWI - message waiting indicator
MWIS - Marine WWMCCS information system
MWP - microwave processor
MWS - missile warning set
MWS - management workstation
MWS-R - management workstation replacement
MX/DMX - multiplexer/demultiplexer
MYX - tactical area code
N - not classified but sensitive
N-ISDN - narrowband ISDN
N - nonsecure, negative, no
N/A - not applicable
N
N6 - Space and Command, Control, Communications and Computer
Systems Requirements (Navy)
NAC - network adapter card
NAC - NATO area code
NAC - National Area Code
NACD - National Association of Computer Dealers
NACIC - National Counterintelligence Center
NACISA - NATO Communications and Information Systems Agency
NACISC - NATO Communications and Information Systems
Committee
NACK - Non-acknowledge
NACMA - NATO Air Command and Control Management Agency
NACMO - NATO Air Command and Control Management
Organization
NACOSA - NATO CIS Operating Systems Agency (was NICS COA)
NACS - National Advisory Committee on Semiconductors
NACSAM - National COMSEC Advisory Memorandum
NACSEM - National COMSEC Emanations Memorandum