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Radiance SONET Single Interface Line Cards 9
User Guide
This section contains more information regarding the operating features of
the Radiance SONET single interface line card.
LED Indicators
The Radiance SONET single interface line card provides three LEDs on the
front panel for the visible verification of unit status and proper functionality.
These LEDs can assist with troubleshooting and overall network diagnosis and
management.
When lit, the LEDs indicate the following status:
• PWR (power): The unit is powered ON.
• LK (Port 1): Port 1 is receiving valid input light level.
• LK (Port 2): Port 2 is receiving valid input light level.