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Status
Color
Off
None
Fast blinking
Green
(about four
flashes per
second)
Slow blinking
Green
(about one flash
per second)
Solid on
Green
2
Network activity LED (green)
Compatibility of the NIC adapter and the network activity LED:
NIC adapter
OCP module
PCIe NIC adapter
When an OCP module is installed, the network activity LED on the front I/O module helps you identify the
network connectivity and activity. If no OCP module is installed, this LED is off.
Status
Color
On
Green
Blinking
Green
Off
None
3
System ID button with system ID LED (blue)
Use this system ID button and the blue system ID LED to visually locate the server. Each time you press the
system ID button, the state of the system ID LED changes. The LED 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 LED 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 system ID button for three seconds to switch between the two
functions.
4
System Error LED (yellow)
The system error LED helps you to determine if there are any system errors.
Description
Power is not present, or the power supply has failed.
• The server is off, but the XClarity Controller is initializing, and the server is not
ready to be powered on.
• System-board-assembly power has failed.
The server is off and is ready to be powered on (standby state).
The server is on and running.
Network activity LED
Support
Not support
Description
The server is connected to a network.
The network is connected and active.
The server is disconnected from the network.
Note: If the network activity LED is off when an OCP module is installed, check the
network ports in the rear of your server to determine which port is disconnected.
.
Chapter 2
Server components
41
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