Status Color Description
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.
4 Network activity LED
Compatibility of the NIC adapter and the network activity LED.
NIC adapter
Network activity LED
LOM adapter Support
ML2 NIC adapter Support
PCIe NIC adapter
Not support
The network activity LED on the front I/O assembly helps you identify the network connectivity and activity.
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.
5 System ID button with 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
Controller or a remote management program to change the state of the system ID LEDs to assist in visually
locating the server among other servers.
If the XClarity Controller USB connector is set to have both the USB 2.0 function and XClarity Controller
management function, you can press the ID button for three seconds to switch between the two functions.
Chapter 2. Server components 21
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