QT2022/32 - Data Sheet: DS3051
7.4 WIS Alarm Processing
The WIS block detects defects on the fiber input and processes them. The defects are summarized in Table 14
below.
Table 14: Summary of Defects Processed by WIS
Defect/Anomaly
Root Cause
Reported in
Actions
To PCS? 1
LOS (Loss of Signal)
no optical signal
failed optics
2.21h.6
RDI-L 2, RDI-P 3 Defects raised in Tx
OH
no
LOF (Loss of Frame)
see LOS faults
see LOS faults
2.21h.7
RDI-L, RDI-P 3 Defects raised in Tx OH
YES
YES
Loss of WIS
Synchronization
1.9003h.9
linked to 2.1.7
RDI-L, RDI-P 3 Defects raised in Tx OH
All WIS processes suspended
SEF
degraded optical signal
2.21h.11
2.21h.4
2.21h.5
No action
no
no
no
AIS-L
LOS or LOF in far-end LTE
RDI-L, RDI-P 3 Defects raised in Tx OH
No action
Far End RDI-L
RDI-L defect flag transmitted by
far-end LTE
LOP-P
Invalid pointer detected
2.21h.0
RDI-P 3 Defect raised in Tx OH
YES
(see Section 7.2.7 on page 43)
AIS-P
LOS or LOF in far-end PTE
2.21h.1
2.21h.2
RDI-P 3 Defect raised in Tx OH
RDI-P 4 Defect raised in Tx OH
YES
YES
PLM-P
Path label does not match
expected value
(see Section 7.2.8 on page 45)
LCD-P
Received wrong type data in
payload (not 64/66b encoded)
2.21h.3
2.21h.9
2.21h.10
2.3Bh
RDI-P 4 Defect raised in Tx OH
No action.
no
no
no
no
Far end RDI-P
(AIS-P/LOP-P)
AIS-P or LOP-P defect detected
on far-end PTE
Far end RDI-P
(PLM-P/LCD-P)
PLM-P or LCD-P defect
detected on far-end PTE
No action.
Path BIP
Line BIP
Corruption over link
Corruption over link
Corruption over link
Counter incremented by one on Path
BIP errors
Error count per frame transmitted in G1
byte of TX OH.
2.39h-2.3Ah
Counter incremented by the number of
Line on BIP errors
Error count per frame transmitted in M1
byte of TX OH (max = 255).
no
no
Section BIP
2.3Ch
Counter incremented by the number of
Section on BIP errors
1.
2.
3.
4.
When a defect propagates to the PCS, local faults will be generated on the XAUI output to the upstream MAC.
RDI-L = [(LOS or LOF or AIS-L) and not(Reg 3.C010.8)] or [not(WIS Sync) and not(Reg 3.C010.9)]
RDI-\P (AIS-P/LOP-P) = [AIS-P and not (Reg 3.C010.6)] OR [LOP-P and not(Reg 3.C010.7)] OR [RDI-L and not (Reg 3.C010.10)]
RDI-P (LCD-P/PLM-P) = [PLM-P and not (Reg 3.C010.4)] OR [LCD-P and not(Reg 3.C010.5)]
52
AppliedMicro - Confidential & Proprietary
Revision 5.11
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
