HP StorageWorks SAN Switch 2/32 Installation Manual page 101

Glossary
Phantom Address
An AL_PA value that is assigned to an device that is not physically in the loop. Also known as
phantom AL_PA.
A twenty-bit public address created for an 8-bit loop device to allow public devices to access
it.
Phantom Device
A device that is not physically in an arbitrated loop, but is logically included through the use
of a phantom address.
PLOGI
Port Login; the port-to-port login process by which initiators establish sessions with targets.
Point-to-point
A Fibre Channel topology that employs direct links between each pair of communicating
entities. See also Topology.
Port Cage
The metal casing extending out of the optical port on the switch, and in which the SFP can be
inserted.
Port_Name
The unique identifier assigned to a Fibre Channel port. Communicated during login and port
discovery.
POST
Power On Self-Test series of tests run by a switch after it is turned on.
; a
Private Device
A device that supports arbitrated loop protocol and can interpret 8-bit addresses, but cannot
log into the fabric.
Private Loop
An arbitrated loop that does not include a participating FL_Port.
Private NL_Port
An NL_Port that communicates only with other private NL_Ports in the same loop and does
not log into the fabric.
Protocol
A defined method and a set of standards for communication.
SAN switch 2/32 version 4.0.x installation guide Glossary–9