Lenovo ThinkSystem SR550 Setup Manual page 25

Status Color
Solid on Green
Slow blinking Green
(about one flash
per second)
Fast blinking Green
(about four
flashes per
second)
Off None
4 Network activity LED
Compatibility of the NIC adapter and the network activity LED.
NIC adapter
LOM adapter
ML2 NIC adapter
PCIe NIC adapter
The network activity LED on the front I/O assembly helps you identify the network connectivity and activity.
Status
On
Blinking
Off
5 System ID button with ID LED
Use this system ID button and the blue system ID LED to visually locate the server. A system ID LED is also
located on the rear 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.
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 ID button for three seconds to switch between the two functions.
Description
The server is on and running.
The server is off and is ready to be powered on (standby state).
The server is off, but the XClarity Controller is initializing, and the server is not ready
to be powered on.
There is no ac power applied to the server.
Color
Green The server is connected to a network.
Green The network is connected and active.
None The server is disconnected from the network.
Network activity LED
Support
Support
Not support
Description
.
Chapter 2 Server components
21