电信专业英英词典M-1（在线收听）

　　MAAP

　　maintenance & administration panels

　　MACSTAR

　　multiple access customer station rearrangement

　　MAC

　　media access control or moves, adds, and changes

　　Main Cross-Connects

　　In a premises distribution system, main cross-connects are the cross connects located in an equipment room.

　　MAN

　　metropolitan area network

　　MCU

　　mobile control unit

　　Media

　　See transmission medium; yielded media; unguided media.

　　Message Telecommunications Service (MTS)

　　MTS is a non-private-line intrastate and interstate long-distance that uses in whole or in part the public switched telephone network (PSTN).

　　MFJ

　　Modification of Final Judgment

　　MFOTS

　　Military Fiber-Optic Transmission System

　　MF

　　multiple frequency

　　MHS

　　message handling system

　　MIB

　　management information base

　　MIC

　　Material Identification Code