Lenovo 2579, 2593, 2594 ID button with ID LED, NIC 1 status LED NIC 2 status LED, System error LED

Power status LED	Color	Description
On	Green	The server is on.
Off	None	The server is off.
Blinking	Green	The server is in ACPI S1 mode, which also is known
		as Power On Suspend (POS) mode. In this mode,
		the microprocessor(s) are not working while other
		hardware devices are still working.

2

ID button with ID LED

When you press the ID button on the front panel, the ID LEDs on both the front and rear of the server are lit to help you locate the server among other servers. You also can turn on the ID LEDs using a remote management program for server presence detection.

ID LED	Color	Description
On	Blue	The server is identified.
Off	None	The ID LED is not in use or the server is not identified.

3

NIC 1 status LED

4

NIC 2 status LED

The NIC 1 status LED indicates the LAN status for the Ethernet connector 1 on the rear of the server. The NIC 2 status LED indicates the LAN status for the Ethernet connector 2 on the rear of the server.

NIC status LED	Color	Description
On	Green	The server is connected to a LAN.
Off	None	The server is disconnected from a LAN.
Blinking	Green	The LAN is connected and active.

5

System error LED

The system error LED helps you to determine if there are any system errors.

System error LED	Color	Description
On	Amber	One or more system errors have occurred and the
		system is likely to fail.
Off	None	The server is off or the server is on and is working
		correctly.

6

Front USB connectors

Used to attach a USB-compatible device, such as a USB keyboard, mouse, scanner, or printer. If you have more than six USB devices, you can purchase a USB hub, which you can use to connect additional USB devices.

7

VGA DB-15 connector

Used to attach a VGA-compatible video device, such as a VGA monitor.

20ThinkServer User Guide