drive tray
See
dynamic host configuration protocol (DHCP)
A network protocol that enables a server to automatically assign an IP address to
devices on a network. DHCP assigns a number dynamically from a defined range of
numbers for a given network.
encryption
The process of changing data into a form that cannot be read until it is deciphered,
protecting the data from unauthorized access and use.
Ethernet
A local-area, packet-switched bus topology that enables the connection of several
computer systems. The Ethernet architecture is similar to the IEEE 802.3 standard.
expanded mailsot
An optional library configuration to increase the capacity of the Mailslot from four to 19
cartridges. A logical entity containing four slots in the Standard Mailslot plus 15 slots in
the Base Module right magazine (the Mailslot Expansion).
expansion cable
A cable used to connect Expansion Modules to the Base Module. Each end of the
cable has a USB A style connector.
expansion chassis
The sheet metal and plastic chassis that makes up the framework for Module 2–15.
Expansion Module
An Expansion Module can be added to the bottom of an existing library to increase
its capacity for drives and tape cartridges (tapes). The Expansion Module consists of
the expansion chassis, a module controller, up to two power supplies, up to two half-
height LTO Ultrium tape drives, a left magazine, and a right magazine. The Expansion
Modules are always mounted below the Base Module and are identified as Module 2
through 15.
Glossary
Glossary-3