Enterprise Modular Library E-Series user guide 131
interlock switch A switch that disconnects power to library mechanisms, excluding tape drives, when the front
door is opened.
Initialization A procedure that activates a machine reset, initiates wake-up diagnostics (from EPROMs) and
loads functional code.
inventory The process of reading and storing in memory the bar code identification and locations of all
cartridges in the library.
lift drive assembly A component of the robotics unit that moves the table assembly vertically among the library
modules.
lift drive pulley A component of the lift drive assembly used to move the table assembly vertically along the lift
pole to cartridge slots and drives.
lift flex cable The cable that carries control and power signals to the table assembly. This cable
automatically adjusts to the position of the table assembly in library.
lift pole The device that guides the vertical movement of the table assembly.
lift reduction gear The component of the lift drive assembly that controls the lift drive pulley.
lift suspension cables Four cables used to lift and lower the table assembly between the library modules.
load port A device in the library that allows an operator to insert or remove cartridges during library
operations.
logical library A virtual representation of a physical library. Also called virtual library partition.
LTO Linear Tape-Open. A technology that creates tape devices and media based on common
specification, licensing, and compliance standards and allows tape device users to use tape
products and media from various sources. Ultrium 460 tape drives (LTO-2) are HP’s second
generation of LTO tape drives and the Ultrium 960 tape drives (LTO-3) are third generation
tape drives.
magazine A removable array that holds cartridges and is placed into the load port.
PCI Peripheral component interconnect. The PCI bus typically runs at speeds of 33 MHz or 66
MHz and is usually 32 bits wide. This means that it passes 32 bits of data simultaneously as if
down 32 separate wires. Some of the most recent computers include wider 64-bit PCI buses,
and already certain very high-end video capture cards offer improved performance if
connected to a 64-bit PCI bus.
picker The portion of the picker assembly that grasps and holds a cartridge.
picker assembly A part of the library robot whose function is to grasp cartridges and move them between
storage slots and drives. A bar-code scanner on the hand assembly reads cartridge volume
labels.
put An activity in which a robot places a cartridge into a slot or drive.
PWA Printed wiring assembly.
reach mechanism A component of the robot that moves the gripper to get or put a cartridge at a designated
location.
robot An electro-mechanical device that transports tape cartridges to and from locations in the
library.
robotics unit The unit that includes the robotics components and that controls the movement of the robot
between storage slots, drives, and load ports.
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