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Cumulative CPCS-2 Statistics Report 
This report displays when the AAL2/LES PVC is configured.
Receive sequence errors
Sequence number in header is incorrect for cells 
received.
Bad rx OSF sequence errors
Value of OSF sequence in header is incorrect for cells 
received.
Bad OSF value errors
Value of OSF in the header is incorrect. 
Receive HEC errors
Value of HEC (Header Error Compression) in the 
header is incorrect.
Receive overlap HEC errors
HEC (Header Error Compression) value overlapped.
Receive CID errors
Value of CID (Channel ID) in header received is 
incorrect.
Transmit CID errors
Value of CID (Channel ID) in header sent is incorrect.
Parameter
Description
Maximum PDU Size
Maximum CP-5 Rx frame length (in bytes, without 
CPCS trailer)
Transmit bytes counter
Total AAL2 Cells sent in bytes. 
Transmit microcell counter
Total AAL2 Cells sent.
Tx discarded microcells 
errors
No. of transmitting cell discarded due to: 
- Invalid Microcell Channel
- The Microcell is empty 
- Length of the cell is larger than the PDU size
- Transmitted cell overflow
- Cell Allocation Problem
Tx too long microcell errors
Length of transmitting cells is larger than PDU size.
Tx reserved UUI errors
Value of UUI (User-to-User information) in the header 
of the cells transmitted is incorrect.
Receive bytes counter
Total AAL2 Cells received in bytes.
Receive microcell counter
Total AAL2 Cells received.
Rx discarded microcells 
errors
No. of receiving cells discarded because:
- Invalid Microcell Channel
- The microcell is empty
- The cell length is larger than the PDU size
- Transmitted cell overflow
- Cell Allocation Problem
Rx too long microcells errors The length of the cells received is larger than the PDU 
size.
Parameter
Description