System Status LEDs

The Extreme Networks switch is engineered for reliability and requires no routine operational steps or maintenance. You can monitor the device by paying attention to the following information:

The following commands can be especially helpful in monitoring the health status of various switch components. For details about these commands, refer to Extreme SLX-OS Monitoring Configuration Guide for the SLX 9740 switch.

SLX 9740 System Status LED Locations

The SLX 9740 switch router has the following LEDs on the front panel:

The figure below shows the LEDs on the SLX 9740 switch router front panel.

Click to expand in new window
SLX 9740 switch router LEDs
SLX 9740 switch router LEDs

SLX 9740 System Status LEDs

System status LEDs are located on the panel front of the switch. The following table describes the colors and the states for the LEDs.

Click to expand in new window
SLX 9740 System LEDs
SLX 9740 System LEDs
Table 1. SLX 9740 System Status LEDs
LED Function/stateMeaningPossible cause
Power
OffNo powerSome Power rails are dropping below specification
Solid greenValid power. All monitored voltages are nominal
Status (bicolor)
Blinking amber-green AttentionTBD by SW
Solid amberFault/initial stateThis LED is lit during the reboot
Solid greenBoard is operational
Power Supply Output Status (On PSU)
OffNo power
Blinking greenStand-byStandby output enabled with no power supply warning or fault detected
Solid greenPower GOODMain output and standby output enabled with no power supply warning or fault detected
Blinking amberWarningPower supply warning detected as per PMBus STATUS_X reporting bytes
Solid amberFAULT Power supply fault detected as per PMBus STATUS_X reporting bytes
Fan Status LED (On Fan FRU)
Off (no light)No power
Solid greenFan operates per specification (Normal)
Solid amberFan needs attention/ replacement