Lenovo ThinkSystem SR665 V3 - Page 488

Figure 525. Front operator panel LEDs
1 Power button with power status LED (green) 2 Network activity LED (green)
3 System ID button with system ID LED (blue) 4 System error LED (yellow)
1 Power button with power status LED (green)
You can press the power button to power on the server when you finish setting up the server. You also can
hold the power button for several seconds to power off the server if you cannot shut down the server from
the operating system. The states of the power LED are as follows:
Status Color
Description
Off
None Power is not present, or the power supply unit has failed.
Fast blinking
(about four
flashes per
second)
Green
• The server is off, but the XClarity Controller is initializing, and the server is not
ready to be powered on.
• System-board-assembly power has failed.
Slow blinking
(about one flash
per second)
Green The server is off and is ready to be powered on (standby state).
Solid on Green The server is on and running.
2 Network activity LED (green)
Compatibility of the NIC adapter and the network activity LED:
NIC adapter
Network activity LED
OCP module Support
PCIe NIC adapter Not support
When an OCP module is installed, the network activity LED on the front I/O assembly helps you identify the
network connectivity and activity. If no OCP module is installed, this LED is off.
Status Color
Description
On Green The server is connected to a network.
Blinking Green The network is connected and active.
Off None The server is disconnected from the network.
Note: If the network activity LED is off when an OCP module is installed, check the
network ports in the rear of your server to determine which port is disconnected.
3 System ID button with system ID LED (blue)
Use this system ID button and the blue system ID LED to visually locate the server. Each time you press the
system ID button, the state of the system ID LED changes. The LED can be changed to on, blinking, or off.
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ThinkSystem SR665 V3 User Guide