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Glossary – HP Array Controller HSG V8.7 Software User Manual

Page 527

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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

Pronounced “ann-see.” Acronym for the 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.

arbitrated loop physical
address

Abbreviated AL_PA. A one-byte value used to identify a port in an
Arbitrated Loop topology. The AL_PA value corresponds to bits 7:0 of
the 24-bit Native Address Indentifier.

array controller

See controller.