HP Array Controller HSG V8.7 Software - Manual (Page 536)

G–10 HSG80 User’s Guide
I/O module A 16-bit SBB shelf device that integrates the SBB shelf with either an
8-bit single ended, 16-bit single-ended, or 16-bit differential SCSI bus.
I/O operation The process of requesting a transfer of data from a peripheral device to
memory (or visa versa), the actual transfer of the data, and the
processing and overlaying activity to make both of those happen.
IPI Intelligent Peripheral Interface. An ANSI standard for controlling
peripheral devices by a host computer.
IPI-3 Disk Intelligent Peripheral Interface Level 3 for Disk
IPI-3 Tape Intelligent Peripheral Interface Level 3 for Tape
JBOD Just a bunch of disks. A term used to describe a group of single-device
logical units.
kernel The most privileged processor access mode.
LBN Logical Block Number.
L_port A node or fabric port capable of performing arbitrated loop functions
and protocols. NL_Ports and FL_Ports are loop-capable ports.
LED Light Emitting Diode.
link A connection between two Fibre Channel ports consisting of a transmit
fibre and a receive fibre.
logical block number See LBN.
local connection A connection to the subsystem using either its serial maintenance port
or the host’s SCSI bus. A local connection enables you to connect to
one subsystem controller within the physical range of the serial or host
SCSI cable.
local terminal A terminal plugged into the EIA-423 maintenance port located on the
front bezel of the controller. See also maintenance terminal.
logical bus A single-ended bus connected to a differential bus by a SCSI bus signal
converter.