Glossary of Data Communications Terms

Courtesy Enterprise-Wide Computing, Inc.

Term: physical unit (PU)
Definition: The component that manages and monitors the resources (such as attached links) associated with a node, as requested by an SSCP via an SSCP-PU session. This term applies to type 2.0, type 4, and type 5 nodes only. A node in an SNA network supporting one or more logical units (LU).

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Last Modified:
Wednesday, April 22, 1998