Specifications

Glossary
This glossary defines terms pertaining to the HSG80 Fibre Channel array controller. It is
not a comprehensive glossary of computer terms.
8B/10B A type of byte encoding and decoding to reduce errors in data transmission
patented by the IBM Corporation. This process of encoding and decoding data
for transmission has been adopted by ANSI.
adapter A device that converts the protocol and hardware interface of one bus type into
another without changing the function of the bus.
ACS See array controller software.
AL_PA See arbitrated loop physical address.
alias address An AL_PA value recognized by an Arbitrated Loop port in addition to its
assigned AL_PA.
ANSI American National Standards Institute. An organization who develops
standards used voluntarily by many manufacturers within the USA. ANSI is
not a government agency.
arbitrate A process of selecting one L_Port from a collection of several ports that
request use of the arbitrated loop concurrently.
arbitrated loop A loop type of topology where two or more ports can be interconnected, but
only two ports at a time can communicate.