Three LEDs, located on the SCG faceplate, display the status of the SCG. Table 1 describes the functions of the SCG LEDs.
Table 1 describes the functions of the SONET clock generator (SCG) LEDs.
Table 1: SCG LEDs
Label | Color | State | Description |
|---|---|---|---|
OK | Green | On steadily | SCG is online and is functioning normally. |
Off | SCG is not online or not functioning normally. | ||
FAIL | Yellow | On steadily | SCG has failed. |
Off | SCG is offline or functioning normally. | ||
MASTER | Blue | On steadily | SCG is functioning as master. |
Off | SCG is not functioning as the master. |