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59042-01 A Glossary-1
Glossary
Activity LED
A port LED that indicates when frames are
entering or leaving the port.
Alias
A collection of objects that can be zoned
together. An alias is not a zone, and can
not have a zone or another alias as a
member.
AL_PA
Arbitrated Loop Physical Address
Arbitrated Loop
A Fibre Channel topology where ports use
arbitration to establish a point-to-point
circuit.
Arbitrated Loop Physical Address (AL_PA)
A unique one-byte valid value assigned
during loop initialization to each NL_Port
on a Loop.
ASIC
Application Specific Integrated Circuit
BootP
A type of network server.
Buffer Credit
A measure of port buffer capacity equal to
one frame.
Class 2 Service
A service which multiplexes frames at
frame boundaries to or from one or more
N_Ports wit h acknowledgment provided.
Class 3 Service
A service which multiplexes frames at
frame boundaries to or from one or more
N_Ports without acknowledgment.
Domain ID
User defined name that identifies the
switch in the fabric.
E_Port
Expansion port. A switch port that
connects to another FC-SW-2 compliant
switch.
Expansion Port
See E_Port.
Fabric Management Switch
The switch through which the fabric is
managed.
Fabric Name
User defined name associated with the file
that contains user list data for the fabric.
Fan Fail LED
An LED that indicates that a cooling fan in
the switch is operating below standard.
FC-PLDA
Fibre Channel Private Loop Direct Attach
Flash Memory
Memory on the switch that contains the
chassis control firmware.