Qlogic StorageWorks MPX200, Руководство пользователя

Страница: 217 / 240

ISR654601-00 D Glossary-1
Glossary
activity LED
A port LED that indicates when frames are
entering or leaving the port.
adapter
The board that interfaces between the
host system and the target devices.
Adapter is synonymous with
host bus
adapter (HBA) , host adapter , and a dapter
board .
adapter port
A port on the adapter board.
adapter port beacon
An LED on the adapter. Flashing it enables
you to locate the adapter.
application specific integrated circuit
See ASIC .
arbitrated loop
A circular (ring) topology (versus
point-to-point) where two or more
port s
can be interconnected, but only two ports
can communicate at a time. All communi-
cation passes through all ports connected
to the loop.
ASIC
Application specific integrated circuit. A
microchip designed for special applica-
tions such as Fibre Channel.
challenge-handshake authentication
protocol
See CHAP .
CHAP
Challenge-handshake authentication
protocol is used for remote logon, usually
between a client and server or a Web
browser and Web server. A
challenge/response is a security mecha-
nism for verifying the identity of a person
or process without revealing a secret
password that is shared by the two
entities. Also referred to as a” three-way
handshake.”
command line interface
See CLI .
CLI
Program interface driven by entering
commands and parameters.
CRC
Cyclic redundancy check. A type of check
value designed to catch most transmission
errors.
cyclic redundancy check
See CRC .