Interfaces Rev 1.6
Mellanox Technologies
39
3.2 LEDs
3.2.1 LED Notifications
The system’s LEDs are an important tool for hardware event notification and troubleshooting.
3.2.1.1 System Status LED
Figure 31: System Status LEDs - Front and Rear Sides
Both of the System Status LEDs (front and back, if exist) supply identical information.
Table 13 - LEDs Symbols
Symbol Name Description Normal Conditions
System Status LED
Shows the health of the system. Green/Flashing
green when booting
Fan Status LED
Shows the health of the fans. Green
Power supply units
LEDs
Shows the health of the power supply units. Green
Bad Port LED Lights up when a symbol error is detected on one
of the ports.
Off
Unit Identifier LED Lights up on command through the CLI. Off or blue when
identifying a port
Both of these LEDs in the red
ovals show the system’s status.