| 释义 |
POH (Path OverHead) In a SONET or SDH frame, nine octets of overhead contained within the Synchronous Payload Envelope (SPE). The POH field is dedicated to the relay of operations, administration, management, and provisioning (OAM&P) information in support of end-to-end network management. See also frame, network management, overhead, SDH, SONET, and SPE. |