Figure 5. Diagnostics panel
1 Power button with power status LED
You can press the power button to power on the server when you finish setting up the server. You also can
hold the power button for several seconds to power off the server if you cannot shut down the server from
the operating system. The power status LED helps you to determine the current power status.
Status Color Description
Solid on Green
The server is on and running.
Slow blinking
(about one flash
per second)
Green The server is off and is ready to be powered on (standby state).
Fast blinking
(about four
flashes per
second)
Green The server is off, but the XClarity Controller is initializing, and the server is not
ready to be powered on.
Off
None There is no ac power applied to the server.
2 Network activity LED
Compatibility of the NIC adapter and the network activity LED
NIC adapter
Network activity LED
OCP 3.0 Ethernet adapter Support
PCIe NIC adapter Not support
When an OCP 3.0 Ethernet adapter is installed, the network activity LED on the front I/O assembly helps you
identify the network connectivity and activity. If no OCP 3.0 Ethernet adapter is installed, this LED is off.
Status Color
Description
On Green The server is connected to a network.
Blinking Green The network is connected and active.
Off None The server is disconnected from the network.
Note: If the network activity LED is off when an OCP 3.0 Ethernet adapter
is installed, check the network ports in the rear of your server to determine
which port is disconnected.
3 System ID button with system ID LED
Use this system ID button and the blue system ID LED to visually locate the server. A system ID LED is also
located on the rear of the server. Each time you press the system ID button, the state of both the system ID
LEDs changes. The LEDs can be changed to on, blinking, or off. You can also use the Lenovo XClarity
Chapter 2. Server components 27
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