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Configured by the operator
N: Number of DS0 channels in the corresponding attachment circuit that must be retrieved from the E1 frames and must be transported over the CESoPSN PW.
D: Packetization latency in millisecond (application-related)

Derived/calculated
B: Number of frames to be encapsulated per PW packet derived from the Latency
B = 8*D (8 E1 frames per second)
P: Total Payload (Bytes) per PW packet
P: B*N

Signaled (PW setup)
N: The interface parameter CEP/TDM Bit-Rate (0x07) is defined for all kinds of structure-aware emulation
P: The interface parameter CEP/TDM Payload Bytes (0x04) is defined for a set of TDM PW types including SAToP, CESoPSN PWs


'update' operation encompass change in configuration ensued by update signaling.
CESoPSN Interface Parameters Extracted from [PW TDM CTRL]
PPT Version