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magnetic tape
A tape with a surface layer on which data can be stored by magnetic recording.
MAN
Metropolitan area network.
Data network that is designed for a town or a city. In a comparison of geographic breadth, a MAN is a
computer network that is larger than a LAN but smaller than a WAN.
MAP
Maintenance analysis procedure.
In hardware maintenance, a step-by-step procedure that a CE uses to trace a symptom to the cause of
a failure.
MAQ
Maintenance agreement qualification.
mask
A pattern of characters that controls the retention or elimination of portions of another pattern of
characters. To use a pattern of characters to control the retention or elimination of portions of another
pattern of characters.
MB
Megabyte (often expressed as a data rate in MB/s or MB/second, for megabytes per second).
MB/s
One megabyte per second = 10
6
bytes per second = 1,000,000 bytes per second.
Mb
Megabit. One Megabit = 10
6
bits = 1,000,000 bits.
Mb/s
One megabit per second (Mb/s) = 10
6
bits per second = 1,048,576 bits per second.
mebi
Binary prefix for 2
20
.
media capacity
The amount of data that can be contained on a storage medium, expressed in bytes of data.
mega
Prefix for 'million' (10
6
).
megabyte (MB)
One million bytes.
MES
Miscellaneous equipment specification.
metric system
Deprecated term for the SI system.
MI
Maintenance information.
MiB
One mebibyte (MiB) = 2
20
bytes = 1,048,576 bytes.
Mib
One mebibit (Mib) = 2
20
bits = 1,048,576 bits.
Mib/s
One mebibit per second (Mib/s) = 2
20
bits per second = 1,048,576 bits per second.
micro
Prefix for 'millionth of ' (10
-6
).
midtape
Tape that was is not in the first or final 1.8 m (6 ft) of tape in the cartridge.
310 IBM 3592 TS1140, TS1150, TS1155, and TS1160 Tape Drives: Maintenance Information