McDATA Sphereon 4500 Manuel d'utilisateur télécharger pdf (Page 190)

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McDATA® Sphereon™ 4500 Fabric Switch Product Manager User Manual

Glossary

ALPA Arbitrated Loop Physical Address.

ANSI American National Standards Institute: an organization that provides

voluntary standards in the United States.

application-specific

integrated circuit

(ASIC)

A circuit designed for a specific application or purpose, such as

implementing the lower-layer Fibre Channel protocol (FC-0). ASICs

differ from general purpose devices such as memory chips or

microprocessors.

alias server Fabric software facility that supports multicast group management.

arbitrated loop One of the three connection topologies offered by Fibre Channel. Up

to 126 node ports and one fabric port can communicate without the

need for a separate switched fabric. See also point to point.

arbitration Process of selecting one device from a collection of devices that

request service simultaneously.

audit log Log summarizing actions (audit trail) made by the user.

authentication Verification of identity for a person or process.

backplane The backplane provides 48 VDC power distribution and connections

for all logic cards.

backup FRU When an active FRU fails, an identical backup FRU takes over

operation automatically (failover) to maintain switch and Fibre

Channel link operation.

beaconing Use of light-emitting diodes on ports, port cards, field-replaceable

units, and switches to aid in the fault-isolation process; when

enabled, active beaconing will cause LEDs to flash for faulty

components.

ber See bit error rate.

bidirectional In Fibre Channel, the capability to simultaneously communicate at

maximum speeds (100 Mbps) in both directions over a link.

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McDATA Sphereon 4500 Manuel d'utilisateur Page 190