Lenovo ThinkServer RD550 - Manual (Page 35)

4 System ID button with ID LED
When you press the system ID button, 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.
Status Color Description
On Blue The system is identified.
Off None The ID LED is not in use or the system is not
identified.
5 DisplayPort connector (available on some models)
Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort
connector.
6 USB 2.0 connectors (2) (available on some models)
Used to attach a USB-compatible device, such as a USB keyboard, mouse, scanner, or printer. If you have
more than four USB devices, you can purchase a USB hub, which you can use to connect additional
USB devices.
Rear view of the server
This topic provides information to help you locate the connectors and components on the rear of your server.
Chapter 3 . Product overview 21