Host Subsystem LEDs on the M120 Craft Interface
Each host subsystem has three LEDs, located in the middle of the craft interface, that indicate its status. The LED labeled 0 indicates the status of the Routing Engine and CB installed in slot CB0. The LED labeled 1 indicates the status of the Routing Engine and CB installed in slot CB1.Table 1 describes the functions of the host subsystem LEDs.
Table 1: M120 Host Subsystem LEDs
Label | Color | State | Description |
|---|---|---|---|
RE MASTER | Green | On steadily | Routing Engine is the master. |
RE STATUS | Green | On steadily | The Routing Engine is functioning. |
Red | On steadily | The Routing Engine has failed. | |
CB STATUS | Green | On steadily | The board is online. |
Blinking | The board is transitioning online/offline. | ||
Red | On steadily | The CB has failed. |
