PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 84
PM5381-BI
Manufacturer Part Number
PM5381-BI
Description
ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5381-BI.pdf
(586 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
Figure 11 Concatenation Pointer Interpretation State Diagram
The following events (indications) are defined:
CONC_IND:
AIS_IND:
INV_POINT:
Note 1:
Note 2:
Note 3:
The transitions indicated in the state diagram are defined as follows:
3 X CONC_IND:
3 x AIS_IND:
8 x INV_POINT:
Note 1:
8 x INV_POINT
LOPC
enabled NDF + dd + “1111111111”
H1 = FFh + H2 = FFh
not any of the above (i.e.: not CONC_IND and not AIS_IND)
enabled NDF is defined as the following bit patterns:
1001, 0001, 1101, 1011 and 1000.
the remaining eleven NDF bit patterns (0000, 0010, 0011,
0100, 0101, 0110, 0111, 1010, 1100, 1110, 1111) result in an
INV_POINT indication.
dd bits are unspecified in SONET/SDH.
three consecutive AIS indications
eight consecutive INV_POINT indications
"consecutive event counters" are reset to zero on a change
of state.
three consecutive CONC indications
3 x CONC_IND
8 x INV_POINT
3 x AIS_IND
CONC
3 x AIS_IND
S/UNI-2488 Telecom Standard Product Datasheet
AISC
3 x CONC_IND
Released
84
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