Ports And Connectors - IBM NeXtScale System Planning And Implementation Manual

3.7.1 Ports and connectors

The FPC provides integrated systems management functions. The user
interfaces (browser and CLI) are accessible remotely via the 10/100 Mbps
Ethernet port.
Figure 3-13 shows the FPC and its LEDs.
USB key
Figure 3-13 FPC
The FPC has the following LEDs and connector that you can use to obtain status
information and restart the FPC:
Power LED
When this LED is lit (green), it indicates that the FPC has power.
Heartbeat LED
When this LED is lit (green), it indicates that the FPC is actively controlling the
chassis.
Locator LED
When this LED is lit (blue), it indicates the chassis location in a rack.
Check log LED
When this LED is lit (yellow), it indicates that a system error occurred.
Ethernet port activity LED
When this LED is flashing (green), it indicates that there is activity through the
remote management and console (Ethernet) port over the management
network.
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IBM NeXtScale System Planning and Implementation Guide
Power LED
Heartbeat LED
Locator LED
Check log LED
Ethernet port activity LED
Ethernet port link LED