296 T10000: Interface Reference Manual August 2016
Network
An arrangement of nodes and branches, connecting data processing devices to one
another via software and hardware links, to facilitate information interchange.
NL_Port
An N_Port within the Node which also contains the Loop Port State Machine as
defined in FC-AL-2. The NL_Port attaches to either an FL_Port or an NL_Port
through a link.
nm
Abbreviation for nanometers.
No Operation (NOP)
The No Operation command used in Basic Link Services. It is prohibited when
originated by the initiator, and prohibited when originated by a drive.
Node
A device that contains a minimum of one N_Port or NL_Port.
Node Name
A 64-bit concatenation of the Port Name, Company ID, and drive serial number, in an
IEEE extended format.
NOP
See No Operation (NOP).
O
Operation Code Structure
A component of the Command Descriptor Blocks that compose Byte 0 of both the 6-
Byte and 10-Byte Command Descriptor.
OPN
Open.
Ordered Set
Special types of transmission words, either fill words or control words, that have
special meanings in a transmission. Ordered sets include primitive signals, primitive
sequences, and frame delimiters.
Originated by Drive
An action taken by the recipient of either a Basic Link Service Command, or an
Extended Link Service Command. These actions can be Allowable, Invokable,
Prohibited, or Required.
Originated by Initiator
An action taken by the initiator of either a Basic Link Service Command, or an
Extended Link Service Command. These actions can be Allowable, Invokable,
Prohibited, or Required.
Outbound Fiber
The fiber in a link used to transmit information to a receiving port.
OX_ID
Originator exchange identifier.