Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
poh - Computer Definition
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.