7 Controller activity LED
Status Color
Description
On Green The controller is active.
Off
None The controller is off.
8 Controller attention LED
Status Color
Description
On
Yellow The controller requires attention.
Off
None The controller operates normally.
9 Controller location LED
Status Color
Description
On or blinking Blue The controller location LED is manually activated to help
locating the controller.
Off
None The controller location LED is not activated.
10 NVRAM LED
Status Color
Description
Blinking Green IO is being written to local flash memory.
On Green
Data is in cache and has not been written to local disks.
Off
None No data is in cache that needs to be written to local disks.
11 12 RJ45 management port LEDs
Each RJ45 management port has two status LEDs.
Status LED Color Status
Description
11 RJ45 management port
link LED
Green On A link is established between the port and
some upstream device.
None
Off
No link is established.
12 RJ45 management port
activity LED
Amber Blinking Traffic is flowing over the connection.
None Off No traffic is flowing over the connection.
13 Power supply attention LED
Status Color
Description
On Amber No AC power is present or power supply is failed.
Off None AC power is present.
14 AC power good LED
Status Color
Description
On Green AC power is present and good.
Off
None
AC power is not detected.
10 ThinkSystem DM3000x and DM5000x Hardware Installation and Maintenance Guide
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