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Siemens PSFR-CP41 User Manual

Page 74

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Operating Manual

U42093-J-Z716-1-74

Glossary

Mapping Table

A table which is indexed by sequential LUN values, indicating selected
BUS:TARGET:LUN devices. It is used by the PSFR-CP41 to perform Fibre
Channel-to-SCSI operations by default.

MIB

See Management Information Base.

Multiplexer

A device that allows two or more signals to be transmitted simultaneously on
a single channel.

Motherboard

The main PCA of the PSFR-CP41 that provides a physical and logical
connection between Fibre Channel and SCSI devices.

N_Port

A FC term defining a ”Node” port. A FC-defined hardware entity that
performs data communication over the FC link. It is identifiable by a unique
Worldwide Name. It can act as an originator or a responder.

N_Port Identifier

A FC term indicating a unique address identifier by which an N_Port is
uniquely known. It consists of a Domain (most significant byte), an Area, and
a Port, each 1 byte long. The N_Port identifier is used in the Source Identifier
(S_ID) and Destination Identifier (D_ID) fields of a FC frame.

Node Name

A field value under the FC Status Menu. The unique FC identifier, a 64-bit
value, the factory assigns to the PSFR-CP41.

Offline

Taking the PSFR-CP41 offline indicates that all SCSI and FC adapters in the
PSFR-CP41 are offline.

Taking a SCSI adapter offline means ending inputs/outputs and suspending
all transactions going from the PSFR-CP41 to the specified SCSI devices.
The SCSI adapter is no longer active or available for access.

Taking a FC adapter offline means ending inputs/outputs and suspending all
transactions going from the PSFR-CP41 to the specified FC device.