User Manual

OK LED, one tricolor:
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Off—PIC is offline and safe to remove from the router
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Green—PIC is operating normally
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Yellow—PIC is initializing
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Red—PIC has an error or failure
APP LED, one green per port:
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Off—Service is not running
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Green—Service is running under acceptable load
Port LEDs, one tricolor per port:
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Off—Not enabled
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Green—Online with no alarms or failures
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Yellow—Online with alarms for remote failures
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Red—Active with a local alarm; router has detected a failure
LEDs
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SONET/SDH OC48/STM16 Enhanced IQ (IQE) PIC with SFP (T1600 Router)