User`s manual

5
SCSI Basics
This chapter consists of a SCSI glossary, SCSI commands used by the
CBI-IOIO for MSCP emulation, SCSI status codes, SCSI messages, SCSI
single-ended and differential signals.
SCSI Glossary
The following is a glossary of frequently used SCSI terms.
Connect-The function that occurs when an initiator selects a target to start
an operation.
Disconnect-The function that occurs when a target release control of the
SCSI bus, allowing it to go to the BUS FREE phase.
Initiator-A SCSI device (usually a host system) that requests an operation to
be performed by another SCSI device.
LUN-Logic Unit Number.
Peripheral device-A peripheral that can be attached to a SCSI device (e.g.,
magnetic disk, magnetic tape, or optical disk).
Reconnect
-The function that occurs when a target selects an initiator to
continue
an operation after a disconnect.
SCSI address-The octal representation of the unique address (0-7) assigned
to
an SCSI device. This address would normally be assigned and set in the
SCSI device during system installation.
SCSI Library 5-1