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96154 • Revision K Glossary 143
Fibre ChannelA bidirectional, full-duplex, point-to-point, serial data channel structured for high
performance capacity. The Fibre Channel is an interconnection of multiple
communication ports, called N_Ports. These N_Ports are interconnected by a
switching network, called a fabric, to a point-to-point link, or an arbitrated loop.
Fibre Channel is a generalized transport mechanism with no protocol of its own.
A Fibre Channel does not have a native input/output command set, but can
transport existing Upper Level Protocols (ULP) such as SCSI and IPI. Fibre
Channel operates at speeds of up to 200 MB per second over distances of up to 100
m over copper media or up to 10 km over optical links.
fibre connection
(FICON)An IBM S/390-based channel architecture that provides up to 256 channels in a
single connection, each having a capacity of 100 MB per second.
FICONSee fibre connection.
front facadeThe external portion of the customer interface module, between the access doors,
that holds the:
■ Membrane keypad
■ Product logos
■ Optional touch screen operator control panel
G
getAn activity in which a robot obtains a cartridge from a slot or tape drive.
gripper(1) The portion of the hand assembly that grasps the cartridge.
(2) The part of the hand assembly that grasps and holds a cartridge during
transport.
H
hand assemblyA part of the library robot whose function is to grasp cartridges and move them
between storage slots and drives. A bar-code line scan camera on the hand
assembly reads cartridge volume labels.
HandBot™A high-performance small robot. Four or eight HandBots are used in an SL8500
library. Contrast with TallBot™.
The full name is StreamLine™ HandBot™ high-performance robotics.
HBZ moduleSee CIM Controller.
HLI-PRC addressA four-digit, comma-separated value (L,P,R,C) that represents LSM, Panel, Row,
and Column. This addressing scheme is used by host LMU interface (HLI) clients,
including ACSLS and HSC, to represent library components accessible to those
HLI clients.