Lenovo ThinkSystem SR550 Setup Manual page 29

Figure 12. LEDs on the rear of the server
Table 9. LEDs on the rear of the server
Callout
System ID LED
1
Ethernet link LED
3
Power input LED
5
Power supply error LED
7
1 System ID LED
The blue system ID LED helps you to visually locate the server. A system ID LED is also located on the front
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.
2 System error LED
For the detailed information, see "Front I/O assembly" on page 19.
3 Ethernet link LED
4 Ethernet activity LED
Each Ethernet connector has two status LEDs.
Ethernet status LED
Ethernet link LED
3
Ethernet activity LED
4
5 Power input LED
Power output LED
6
Power supply error LED
7
Each hot-swap power supply has three status LEDs.
Color
Green On
None
Off
Green Blinking
None Off
Callout
System error LED
2
Ethernet activity LED
4
Power output LED
6
Status
Network link is established.
Network link is disconnected.
Network link is connected and active.
The server is disconnected from a LAN.
Description
.
Chapter 2 Server components
25