Front operator panel
The following illustration shows the controls and LEDs on the front operator panel.
Figure 1. Front operator panel
| 1 Power button/LED (green) | 3 Identification button/LED (blue) |
| 2 Network activity LED (green) | 4 System error LED (yellow) |
1 Power button/LED (green)
Press this button to turn the server on and off manually. The states of the power LED are as follows:
- Off: No power supply is properly installed, or the LED itself has failed.
- Flashing rapidly (4 times per second): The server is turned off and is not ready to be turned on. The power-control button is disabled. This will last approximately 5 to 10 seconds.
- Flashing slowly (once per second): The server is turned off and is ready to be turned on. You can press the power-control button to turn on the server.
- Lit: The server is turned on.
2 Network activity LED (green)
When this LED is lit, it indicates that the server is transmitting to or receiving signals from the Ethernet LAN.
3 Identification button/LED (blue)
Use this blue LED to visually locate the server among other servers. This LED is also used as a presence detection button. You can use Lenovo XClarity Administrator to light this LED remotely.
4 System error LED (yellow)
When this yellow LED is lit, it indicates that a system error has occurred. This LED can be controlled by the XCC. Information provided from the LCD display of the front operator panel could also help isolate an error.