Supermicro SuperServer 2028R-TXR, User Manual, Page: 27 / 140

Chapter 3: System Interface
3-3
NIC1 : Indicates network activity on GLAN1 when fl ashing.
Information LED : Alerts operator of several states, as noted in the table below.
Information LED
Status Description
Continuously on and red
An overheat condition has occured.
(This may be caused by cable congestion.)
Blinking red (1Hz) Fan failure, check for an inoperative fan.
Blinking red (0.25Hz) Power failure, check for a non-operational power supply.
Solid blue
Local UID has been activated. Use this function to locate
the server in a rack mount environment.
Blinking blue
Remote UID is on. Use this function to identify the
server from a remote location.
Overheating
There are several possible responses if the system overheats.
Responses
If the server overheats:
1. Use the LEDs to determine the nature of the overheating condition.
2. Confi rm that the chassis covers are installed properly.
3. Check the routing of the cables and make sure all fans are present and operating
normally.
4. Verify that the heatsinks are installed properly.
1
Power Fail : Indicates a power supply module has failed. The second power supply
module will take the load and keep the system running but the failed module will
need to be replaced. When this LED turns solid red or blinks red, check the AC
source. This LED should be off when the system is operating normally.
!