physical unit (PU)

In SNA, the component that manages and monitors the resources of a node, as requested by an SSCP via an SSCPSSCP session.; 在系統網絡體系結構(SNA)中,SSCP(系統服務控制點)通過SSCPSSCP話路提出的 請求對網點資源進行管理和監督的部件。