| 单词 | POH (Path OverHead) |
| 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. |
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