Glossary

AF

ANSI An acronym for the American National Standards Institute, the coordinating organization for voluntary standards in the United States.

Arbitrated loop topology Fibre Channel topology that provides a low-cost solution to attach multiple communicating ports in a loop without switches.

Asynchronous SCSI signals are transmitted one at a time down the SCSI communication path.

ATM Asynchronous Transfer Mode

C

CDB An acronym for the Command Descriptor Block.

CRC An acronym for Cyclic Redundancy Check. An error- correcting code used in Fibre Channel.

D

Differential SCSI A SCSI implementation that allows a cable length of up to 25 meters.

Fabric Fibre Channel-defined interconnection methodology that supports high-speed data routing in Fibre Channel networks.

FC-ALAn acronym for Fibre Channel Arbitrated Loop topology.

FC-SWAn acronym for Fibre Channel Switched topology. The highest performance Fibre Channel fabric, providing a choice of multiple path routings between pairs of F-ports.

FDDI An acronym for the Fibre Distributed Data Interface. ANSI’s architecture for a Metropolitan Area Network; a network based on the use of optical fibre cable to transmit data at 100 MBsc

Fibre Bridge Bi-directional connectivity for data transfers between Fibre and SCSI.

Glossary

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