Enterprise Modular Library E-Series user guide 129
Glossary
array (1) A section of vertical or horizontal tape cartridge receptacles inside a library.
(2) A molded unit that holds multiple cartridges.
backplane The storage system electronic printed circuit board into which storage system devices can be
plugged.
bar code reader A component of the robot that is used for cartridge identification and position calibration.
base module The 12U module in every HP Enterprise Modular Library E-Series that contains the robotics
unit, tape drives, and card cage for controller cards. For slot numbering purposes, the base
module is divided into a base unit (8U) and tape drive expansion module (4U).
blind mate connector A connector that allows hot plugging instead of manually placing a cable between two fixed
connectors.
card Also called printed wire assembly or printed circuit board.
cartridge The plastic housing around a cartridge tape. A plastic leader block is attached to the tape for
automatic threading when loaded in transport. The spine of the cartridge contains a label
listing the volume identification number.
cartridge array See array.
cell The slot in the tape library that is used to store a tape cartridge.
Class A digital device Class A equipment is intended for commercial installation.
Class I laser product Class 1 lasers are products where the power of the laser beam produced (the accessible
emission) is always below the Maximum Permissible Exposure value. Therefore, for Class 1
lasers the output power is below the level at which it is believed eye damage will occur.
Exposure to the beam of a Class 1 laser will not result in eye injury. Class 1 lasers may
therefore be considered eye safe.
Class II laser product Class 2 lasers are limited to a maximum output power of 1 mW. A person receiving an eye
exposure from a Class 2 laser, either accidentally or as a result of someone else's deliberate
action (misuse) will be protected from injury by their natural blink reflex. This is a natural
involuntary response which causes the individual to blink and avert their head thereby
terminating the eye exposure.
cleaning cartridge A tape cartridge that contains special material to clean the tape path in a transport or drive.
LTO cleaning cartridges labels have CLN prefixes.
CLI Command Line Interface
CompactPCI (cPCI®) Industry standard bus used for card-to-card bus expansion.
containment box A box in the HP Enterprise Modular Library robotics unit that holds the lift flex cable. The cable
retracts into the box as the table is raised.
data cartridge A term used to distinguish a cartridge onto which a tape drive may write data from a cartridge
used for cleaning purposes.
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