pxb4219 Infineon Technologies Corporation, pxb4219 Datasheet - Page 139
pxb4219
Manufacturer Part Number
pxb4219
Description
Iwe8 Interworking Element For 8 E1/t1 Lines
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PXB4219.pdf
(290 pages)
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Table 31
4
5
6
7
8
9
10
11
12
13
14
15
1)
2)
Data Sheet
For AAL ports with unstructured CES, the counters are located in channel_nr = 00000
Counter_nr 0 is common for all ports and is located in port_nr = 111
3)
Statistics Counters for AAL Ports
Number of cells causing a Reassembly Buffer overflow (AAL0 & AAL1).
It includes accepted cells that are causing the filling level to exceed the
predifined threshold and discarded cells due to the attempt of writing to
the Reassembly Buffer when the threshold is already exceeded.
Number of end of Reassembly Buffer overflow (AAL0 & AAL1). The
value is incremented upon acceptance of the next cell after Reassembly
Buffer overflow.
The count of the number of AAL1 header errors detected including those
corrected. Header errors include correctable and uncorrectable CRC,
plus bad parity. (atmfCESHdrErrors)
Number of times that the sequence number of an incoming AAL1 SAR-
PDU causes a transition of the SC algorithm from "sync" to "out of
sequence" and from "invalid" to "out of sync"
Number of downstream “misinserted cells” detected by the AAL1
sequence count algorithm (atmfCESMisinsertedCells)
Number of downstream cells discarded by the AAL1 sequence count
algorithm
Number of rejected AAL1 SDT pointers due to parity error or wrong
pointer value (93 < pointer <127)
Number of SC cycles with more than one AAL1 SDT pointer field if only
one pointer is expected (sdt_once = 1)
Number of start of reassembly buffer underflow (AAL0 & AAL1)
(atmfCESBufUnderflow)
Number of inserted starvation cells (AAL0 & AAL1) due to reassembly
buffer underflow
Number of times the Reassembly Buffer is re-initialized due to AAL1
start of structure is out of sync with port start of structure (see
Chapter
This records the count of the number of events in which the AAL1
reassembler found that an SDT pointer is not where it is expected, and
the pointer must be reacquired. This count is only meaningful for
structured CES. (atmfCESPointerReframes)
Number of downstream “lost cells” detected by the AAL1 sequence
count algorithm (atmfCESLostCells)
4.4.1.11)
139
1)
PXB4219 / PXB4220 / PXB4221
(cont’d)
B
channel_nr = 11111
Memory Structure
B
B
2002-05-06
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