Fabric OS Reference Manual

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Port_Name Unique FC identifier for port, communicated during login and port discovery.
POST Power On Self Test. Series of self-tests run after a switch is rebooted or reset
.
Private NL_Port NL_Port that does not log into the fabric and communicates only with private
NL_Ports in same loop.
Private device Device that supports arbitrated loop protocol and understands 8-bit
addresses, but cannot log into fabric.
Private loop An arbitrated loop with no fibre channel attachment.
Protocol A defined method and standards for communication.
Public NL_Port NL_Port that logs into the fabric, can function within public or private loops,
and can communicate with public or private NL_Ports.
Public device Device that supports arbitrated loop protocol, understands 8-bit addresses,
and can log into fabric.
Public loop An arbitrated loop attached to a switch.
QuickLoop Can indicate either the product that allows private devices within loops to
communicate over the fabric with other devices, or the set of actual devices
or looplets connected in a loop by QuickLoop technology.
R_A_TOV Resource Allocation Time-out Value. Maximum time a frame can be delayed
in the fabric and still be delivered. See also E_D_TOV.
RAID Redundant Array of Independent Disks. Collection of disk drives that appear
as a single volume to the server, and are fault-tolerant through mirroring or
parity checking. See also JBOD.
Remote Switch Product that enables two switches to connect over an ATM connection.
Requires compatible fibre channel-to-ATM gateways. Can be up to 10
kilometers distance between each switch and respective gateway.
Route As applies to fabric, a communication path between two switches. See also
FSPF.
RSCN Registered State Change Notification. Switch function that sends notification
of fabric changes from the switch to specified nodes.