mailslot expansion
A term describing the Base Module right magazine (the magazine immediately below
the Standard Mailslot) when the library has the expanded mailslot configuration. The
mailslot capacity expands from four cartridges (Standard Mailslot) to 19 cartridges.
management information base (MIB)
An ASCII text file organized hierarchically that describes the elements (configuration
and statistical information) of a managed device. When a manager requests
information, or a managed device generates a trap, the MIB translates the numeric
strings into readable text that identifies each data object within the message.
midplane
A card mounted in the base chassis or expansion chassis that is behind the tape slots
and in front of the tape drives. Other cards connect to it either by direct connection or
by a cable.
Module 1
See Base Module.
module controller
A card inserted into the back of Modules 2–15 that controls the operation of the
module. It is connected to the robot by an expansion cable.
Module X (2 through 15)
See Expansion Module .
mount
To place a tape in a drive and make it accessible to the host system.
multimode fiber
An optical fiber designed to carry multiple signals, distinguished by frequency or
phase, at the same time.
net mask
A 32-bit, or 4-byte number, in dotted decimal format (typically written as four numbers
separated by periods, such as 255.255.0.0 or 255.255.255.0) that is applied to an
IP address to identify the network and node address of a host or router interface.
(Synonymous with subnet mask.)
Glossary
Glossary-8