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 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.
• System-board-assembly power has failed.
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 module Support
PCIe NIC adapter
Not support
When an OCP module is installed, the network activity LED on the front I/O assembly helps you identify the
network connectivity and activity. If no OCP module 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 module 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
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 system ID button for three seconds to switch between the two
functions.
4 System error LED
454 ThinkSystem SR630 V3 User Guide
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