HP XP128 Configuration Manual page 23

Installation
Fabric and connection parameter settings
Set each array port to FABRIC ON or OFF with connections of
POINT-TO-POINT or FC-AL as shown in the following table and figures.
For detailed topology information, refer to the HP StorageWorks SAN
Design Reference Guide on the
Fabric Connection
Parameter Parameter
OFF FC-AL
ON FC-AL
ON POINT-TO-POINT
OFF POINT-TO-POINT
hp.com
website.
Provides
NL-port (private arbitrated loop)
NL-port (public loop) for loop
connection to a switch
N-port (fabric port) for connection to
a switch
Not supported
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