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Front panel

The front panel of the server provides controls, connectors, and LEDs.

The following illustration shows the control, connectors, and LEDs on the front panel of the server.
Figure 1. Front panel
Front panel

Table 1. Components on the front panel
CalloutCallout
1 Power button with power status LED (green)5 System error LED (yellow)
2 Drive activity LED (green)
Note
For onboard SATA indication only
6 XClarity Controller USB 2.0 connector
3 Network activity LED (green)
Note
For onboard LAN indication only
7 USB 3.1 Gen 1 connector
4 System ID button with system ID LED (blue) 

1 Power button with power status LED

You can press the power button to turn on the server when you finish setting up the server. You also can hold the power button for several seconds to turn off the server if you cannot turn off the server from the operating system. The power status LED helps you determine the current power status.
StatusColorDescription
Solid onGreenThe server is on and running.
Slow blinking (about one flash per second)GreenThe server is off and is ready to be powered on (standby state).
Fast blinking (about four flashes per second)GreenThe server is off, but the XClarity Controller is initializing, and the server is not ready to be powered on.
OffNoneThere is no ac power applied to the server.

2 Drive activity LED

The drive activity LED helps you determine the status of the drive activity.
Note
The drive activity LED only indicates the activities of drives that are connected to the SATA ports on the system board.
StatusColorDescription
Solid onGreenThe drive is active.
OffNoneThe drive is not active.

3 Network activity LED

The network activity LED helps you identify the network connectivity and activity.

StatusColorDescription
OnGreenThe server is connected to a network.
BlinkingGreenThe network is connected and active.
OffNoneThe server is disconnected from the network.

4 System ID button with system ID LED

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.

5 System error LED

The system error LED provides basic diagnostic functions for your server.

StatusColorDescriptionAction
OnYellowAn error has been detected on the server. Causes might include one or more of the following errors:

  • The temperature of the server reached the non-critical temperature threshold.

  • The voltage of the server reached the non-critical voltage threshold.

  • A fan has been detected to be running at low speed.

  • A fan has been removed.

  • The power supply has a critical error.

  • The power supply is not connected to the power.

Check the event log to determine the exact cause of the error.
OffNoneThe server is off or the server is on and is working correctly.None.

6 XClarity Controller USB connector

Depending on the setting, this connector supports USB 2.0 function, XClarity Controller management function, or both.

  • If the connector is set for USB 2.0 function, you can attach a device that requires a USB 2.0 connection, such as a keyboard, a mouse, or a USB storage device.

  • If the connector is set for XClarity Controller management function, you can attach a mobile device installed with the application to run XClarity Controller event logs.

  • If the connector is set to have both functions, you can press the system ID button for three seconds to switch between the two functions.

For more information, see Set the front USB 2.0 connector for Lenovo XClarity Controller connection.

7 USB 3.1 Gen 1 connector

Used to attach a device that requires a USB 2.0 or 3.0 connection, such as a keyboard, a mouse, or a USB flash drive.