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FEC Degraded SERFEC Degraded SER: A symbol error rate regarded as FEC degrade is detected.
*
High SERHigh SER: A high symbol error rate is detected. *
LOAMLLOAML: Loss of Alignment Marker Lock is detected.
*: This is displayed when Port is set to 200 Gbps200 Gbps or 400 Gbps400 Gbps and on the
Receiver Setup tab, the FEC degradeFEC degrade check box is selected.
Status display other than LAN StatusLAN Status can be switched by touching a button.
You can select the status to display from following items:
WAN
WANWAN button appears when Port is set to 10 Gbps WAN10 Gbps WAN.
PCS
PCSPCS button appears when the Interface Type bit rate is 10 Gbps or higher.
FEC
FECFEC button appears when FEC enable on Setup screen is selected. Touching
the button displays FEC Status.
The icon indicating the summary is displayed on each button.
WAN Alarms, WAN ErrorsWAN Alarms, WAN Errors
For the detail of items, refer to the following descriptions in
"SDH/SONET/PDH/DSn Applications".
SDH Alarms
SDH Errors
SONET Alarms
SONET Errors
PCS AlarmsPCS Alarms
The displayed status varies depending on the optical transceiver type.
LFS local faultLFS local fault: Local fault is detected.
LFS remote faultLFS remote fault: Remote fault is detected.
High BERHigh BER: High bit error rate is detected.
LOALOA: Alignment error is detected.
PCS ErrorsPCS Errors
Invalid sync headerInvalid sync header: Invalid sync header (Sync bit is 00B or 11B.) is detected.
Invalid alignment markerInvalid alignment marker: Invalid alignment marker is detected.
BIP errorBIP error: BIP error is detected.
Invalid blockInvalid block: Invalid block is detected.
PCS StatusPCS Status
LOBLLOBL: Loss of Block Lock is detected.
LOAMLLOAML: Loss of Alignment Marker Lock is detected.
FEC StatusFEC Status
LOFALOFA: Loss of frame alignment*
1
Corr. CWCorr. CW: Corrected Codewords
Uncorr. CWUncorr. CW: Uncorrected Codewords
FEC symbol errors lane 0 - 3FEC symbol errors lane 0 - 3: Symbol error(s) in each lane.*
2
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