HP Surestore 64 - Director Switch User Manual page 237

node port
Physical interface within an end device which can connect to an F_Port on a switched
fabric or directly to another N_Port (in point-to-point communications).
nondisruptive maintenance
Ability to service FRUs (including maintenance, installation, removal and replacement)
while normal operations continue without interruption. See also concurrent
maintenance.
N_Port
See node port.
O
offline sequence ( OLS)
Sequence sent by the transmitting port to indicate that it is attempting to initialize a link
and has detected a problem in doing so.
optical cable
Fiber, multiple fibers, or a fiber bundle in a structure built to meet optical, mechanical,
and environmental specifications. See also jumper cable, optical cable assembly, and
trunk cable.
optical cable assembly
Optical cable that is connector-terminated. See jumper cable and optical cable.
optical fiber connector
Hardware component that transfers optical power between two optical fibers or
bundles and is designed to be repeatedly connected and disconnected.
out-of-band management
Transmission of management information using frequencies or channels other than
those routinely used for information transfer.
Glossary 221