Note: In a mulblade conguraon, consisng of a Main blade and one or more tributary blades, only the ALM
LED on the Main blade lights when an alarm occurs on any of the blades.
Table 48
LED and Condion
LED Color Condion
ALM Yellow Minor alarm
Red Crical or major alarm
O No alarm
C1…C9 Green Incoming opcal signal operang normally
Red Input port down
One of the following alarms is present:
■ powerOutOfSpecicaonHigh
■ powerOutOfSpecicaonLow
O Power o
E1 Green Incoming opcal signal operang normally
Yellow PMI
HREF
BDI-O
One of the following alarms is present:
■ postBlockSpanAdjustmentInProgress
■ preBlockSpanAdjustmentInProgress
Red WDM LOS
WDM power out of specicaon
One of the following alarms is present:
■ omsLossOfSignal
■ omsPowerOutOfSpecicaonHigh
■ omsPowerOutOfSpecicaonLow
■ oscPowerOutOfSpecicaonHigh
■ oscPowerOutOfSpecicaonLow
■ otsLossOfSignal
■ otsSpanlossOutOfSpecicaonHigh
■ otsSpanlossOutOfSpecicaonLow
O Power o
System Maintenance
Trouble Clearing
285
Release 19.1.1 · Issue 1.1, May 2021
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