pxb4340e Infineon Technologies Corporation, pxb4340e Datasheet - Page 42

• Manufacturer Part Number: pxb4340e
• Description: Atm Oam Processor Aop
• Manufacturer: Infineon Technologies Corporation

The data collection procedure is independent of the FM/BR cell mechanism. It uses one of the
128 data collection processors contained in the PXB 4340 AOP. Each of them can evaluate the
BR data flow from upstream or downstream direction. Data collection can be done at any node
along the way of the BR cells. In the example of
data collection. It can be done concerning the data of an incoming BR cell or after a BLER0+1
calculation concerning the data of an incoming FM cell. The TUCdiff/TUCdiff0 calculation has to
be done before the Data Collection can be started. In the Data Collection processing it is first
proved whether TUCdiff/TUCdiff0 is zero. If it is zero, the BLER0+1 is checked. If TUCdiff/
TUCdiff0 is not zero, it is not reasonable to prove the BLER0+1. According to the defined
thresholds certain counters have to be updated.
updated for Data Collection (see
IMPB
SECB
SECBERR
ERRC
LOSTC
MISC
TLOST0
SECBMIS
LOSTC0
TLOSTC0
TRANSUC0
TRANSUC
The Counters SECB, SECBERR, SECBMIS and TLOSTC0 are updated if a related threshold
value is reached.
The threshold values are set in several µP registers (see
difference between the transmitted cells of the PM originating point and the received cells of the
PM terminating point. TUCdiff is calculated for the CLP-0+1 flow and TUCdiff0 for the CLP=0
flow.
The BLER-0+1 counts the BIP16 errors of a block of user cells if no user cells are lost or
misinserted, i.e. TUCdiff = 0.
Data Sheet
impaired blocks
severely errored cell blocks
severely errored cell block errored counter
errored cells
lost cells
misinserted cells
total lost cells
severely errored cell blocks of misinserted cells
lost cells of the CLP=0 flow
total lost cells of the CLP=0 flow
transmitted user cells of CLP=0 flow
transmitted user cells of CLP-0+1 flow
2-42
page 123).
is a summery of counters, which are
Nodes a or b could be selected for
page 71). TUCdiff is the
04.2000