August 2016 Glossary 283
Glossary
This glossary defines terms and abbreviations used in this manual. For definitions of
other Fibre Channel or StorageTek terms refer to the glossary in the appropriate
document.
Numbers
8B/10B
A type of encoding and decoding algorithm of bytes, invented and patented by IBM,
to reduce transmission errors. This algorithm was adopted as part of the FC-PH-1
Standard in 1991.
A
Abort Exchange (ABTX)
The Abort Exchange command can be used with Abort Sequence - Last Sequence
(ABTS - LS) (SCSI-PLDA), by itself, or with ABTS Fibre Channel Link Encapsulation
(FC-LE) protocol. The Abort Exchange Command used in the Extended Link Services,
and is prohibited when originated by the initiator, and is prohibited when originated
by a drive.
Abort Sequence (ABTS)
The protocol that is invoked by devices supporting the Fibre Channel Protocol for
SCSI to abort the exchange whenever a Sequence Error is detected. It comes in two
protocols: Abort Sequence - Last Sequence (ABTS - LS) (SCSI-PLDA), by itself, or
with ABTS Fibre Channel Link Encapsulation (FC-LE).
ABTS
See Abort Sequence (ABTS).
ABTX
See Abort Exchange (ABTX).
ACA
Auto Contingent Alliance.
ACC
Accept.
ACK
See Acknowledge.
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