EXFO IQS-8100 Series Transport Blazer for IQS-600 - Manual (Page 216)

OTN Tabs
202 IQS-8100 Series Transport Blazer
OPU OH TX
PSI Overhead Bytes
Note: The PSI Overhead bytes are only available for OPU3, OPU2, and OPU1 with
ODU mux.
PSI [0] (PT): The Payload Structure Identifier (Payload Type) is only
configurable from Payload Type on page 197.
PSI [2] up to PSI [17]: The Payload Structure Identifier bytes are
configurable from 00 to FF. The first two bits are used to indicate the ODU
mapping type while the remaining bits indicate the tributary port number.
Note: PSI [2] and PSI [3] and Tributary port 1 and 2 are supported with OPU1.
PSI [2] to PSI [5] and Tributary port 1 to 4 are supported with OPU2.
PSI [2] to PSI [17] and Tributary port 1 to 16 are supported with OPU3.
Default
Reverts the overhead bytes to their default values.