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Adapter Device
Glossary
- A -
Adapter
A printed circuit assembly that translates data
between the FC host processor’s internal bus and a
different bus, such as SCSI.
Address
See SCSI Addressing.
Addressing Mode
Used to create a mapping table that maps devices
on the SCSI bus to Fibre Channel logical units.
AL_PA
Arbitrated Loop Physical Address. A unique one-
byte valid value, derived and used in an Arbitrated
Loop Topology as defined in ANSI specification
FC_AL ver 4.5.
Arbitrated Loop
See Fibre Channel - Arbitrated Loop. (ANSI
specification FC_AL ver 4.5).
Area
The second byte of the N_Port Identifier.
Auto-Assigned Mapping
A menu item. The auto-addressing option creates a
mapping table using devices discovered upon
powering up or resetting the FCR200, that is not
otherwise retained by the FCR200.
- B -
Baud
The unit of signaling speed, expressed as the
maximum number of times per second the signal
can change the state of the transmission line or
other medium (units of baud are sec
-1
). Note: With
Fibre Channel scheme, a signal event
represents a single transmission bit.
Bus
A means of transferring data between modules
and adapters or between an adapter and SCSI
devices. For a SCSI bus definition, see SCSI Bus.
- C -
Channel
A general term for a path on which electronic
signals travel.
Clusters
Two or more computers sharing the same
resources on a communication link.
- D -
Device
See FC Device on page gl-2 or SCSI Device on page
gl-5.