Filter
Top Products
ADC Telecommunications, Inc.
602 A
PPENDIX C: GLOSSARY
procedures include framing, error protection, and acquiring the right to use
the underlying transmission medium.
Media Access
Control (MAC)
Sublayer
The part of the data link layer that supports topology-dependent functions
and uses the services of the Physical Layer to provide services to the logical
link control (LLC) sublayer.
MIB See Management Information Base.
Micro-reflections Echoes in the forward transmission path due to departures from ideal
amplitude and phase characteristics.
Mid Split A frequency division scheme that allows bi-directional traffic on a single
coaxial cable. Reverse channel signals propagate to the head-end from 5 to
108 MHz. Forward path signals go from the head-end from 162 MHz to the
upper frequency limit. The diplex crossover band is located from 108 to 162
MHz.
Mini-Slot A power-of-two multiple of 6.25 microsecond increments. For example, 1, 2,
4, 8, 16, 21, 64 or 128 times 6.25 microseconds. Mini-slots are used to
divide the upstream bandwidth into discrete increments.
Moving Picture
Experts Group
(MPEG)
A group which develops standards for digital compressed moving pictures
and associated audio.
MPEG See Moving Picture Experts Group.
MSO Multi System Operator
Multimedia
Terminal Adapter
(MTA)
A hardware interface between a computer and an Integrated Services Digital
Network line needed for Voice Over IP.
Multipoint Access User access in which more than one terminal equipment is supported by a
single network termination.
Multipoint
Connection
A connection among more than two data network terminations.