User`s guide

ISR654602-00 H Glossary-1
Glossary
adapter
The board that interfaces between the
host system and the target devices.
Adapter is synonymous with host bus
adapter (HBA), host adapter, and adapter
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.
arbitrated loop
A circular (ring) topology (versus
point-to-point) where two or more ports
can be interconnected, but only two ports
can communicate at a time. All communi-
cation passes through all ports connected
to the loop.
bandwidth
A measure of the volume of data that can
be transmitted at a given transmission
rate. A 1-Gbps/2-Gbps Fibre Channel port
can transmit or receive at nominal rates of
1- or 2-Gbps, depending on the device to
which it is connected. This corresponds to
actual bandwidth values of 106MB and
212MB, respectively.
challenge-handshake authentication
protocol
See CHAP.
CHAP
Challenge-handshake authentication
protocol. CHAP 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. CHAP is also referred to as a
three-way handshake.
CLI
Command line interface. A program inter-
face driven by entering commands and
parameters.
command line interface
See CLI.
CRC
Cyclic redundancy check. A type of check
value designed to catch most transmission
errors.
cyclic redundancy check
See CRC.
data center bridging exchange protocol
See DCBX.