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M120 Component LEDs on the Craft Interface
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. |
FEB LEDs on the M120 Craft Interface
Each FEB has two LEDs on the craft interface that indicate its status. The LEDs, labeled 0 through 5, are located on the lower right of the craft interface below the FEBS label. Table 2 describes the functions of the FEB LEDs.
Table 2: FEB LEDs on the M120 Craft Interface
Label | Color | State | Description |
|---|---|---|---|
ACTIVE | Green | On steadily | FEB is active. |
Blinking | FEB is transitioning online/offline. | ||
STATUS | Green | On steadily | FEB is functioning normally. |
Red | On steadily | FEB is not functioning normally. |
FPC LEDs on the M120 Craft Interface
Each FPC slot has one LED that indicates its status. The FPC LEDs, labeled FPC0 through FPC5, are located along the bottom of the craft interface. Table 3 describes the functions of the FPC LEDs.
Table 3: M120 FPC LEDs
Label | Color | State | Description |
|---|---|---|---|
STATUS | Red | On steadily | FPC has failed. |
Green | On steadily | FPC is functioning normally. | |
Blinking | FPC is transitioning online/offline. |
Power Supply LEDs on the M120 Craft Interface
Each power supply has one LED on the craft interface that indicates its status. The LEDs, labeled 0 and 1, are located on the lower left of the craft interface under the POWER label. Table 4 describes the functions of the power supply LEDs.
Table 4: Power Supply LEDs on the M120 Craft Interface
Label | Color | State | Description |
|---|---|---|---|
STATUS | Red | On steadily | Power supply has failed. |
Green | On steadily | Power supply is functioning normally. |
