Interfaces and LED behavior




1 PSU1 status LED 7 40G QSFP+ ports (49–54)
2 PSU2 status LED 8 QSFP+ port activity LEDs
3 Fan status LED 9 Serial management port
4 System status LED 10 Ethernet management port
5 1/10G SFP+ ports (1–48) 11 USB port
6 SFP+ port activity LEDs




1 PSU2 5 Hot-swappable fan module
2 PSU1 6 Fan module screw
3 AC power connector 7 Fan status LED
4 PSU status LED


LED function LED state Description
PSU1/PSU2 status LED Off Power is not supplied to the device
Green PSU is operating normally
Orange Signal issues:
- PSU is present, but no current is supplied
- Fan Lock
- OTP: Over Temperature Protection
- OCP: Over Current Protection
- OVP: Over Voltage Protection
- UVP: Under Voltage Protection
Fan status LED Green Fan operating normally
Orange Fan fault: check rear of unit to see which fan is faulty
System status LED Green System operating normally
Orange System warning
SFP+ port LED Off No link
Green 10G link
Blinking green 10G activity
Yellow 1G link
Blinking yellow 1G activity
QSFP+ port LED Off No link
Green 40G link
Blinking green 40G activity







1 PSU1 status LED 7 40/100G QSFP28 ports (49–54)
2 PSU2 status LED 8 QSFP28 port activity LEDs
3 Fan status LED 9 Serial management port
4 System status LED 10 Ethernet management port
5 1/10/25G SFP28 ports (1–48) 11 USB port
6 SFP28 port activity LEDs




1 PSU2 5 Hot-swappable fan module
2 PSU1 6 Fan module screw
3 AC power connector 7 Fan status LED
4 PSU status LED


LED function LED state Description
PSU1/PSU2 status LED Off Power is not supplied to the device
Green PSU is operating normally
Orange Signal issues:
- PSU is present, but no current is supplied
- Fan Lock
- OTP: Over Temperature Protection
- OCP: Over Current Protection
- OVP: Over Voltage Protection
- UVP: Under Voltage Protection
Fan status LED Green Fan operating normally
Orange Fan fault: check rear of unit to see which fan is faulty
System status LED Green System operating normally
Orange System warning
SFP28 port LED Off No link
Green 25G link
Blinking green 25G activity
Yellow 10G link
Blinking yellow 10G activity
QSFP28 port LED Off No link
Green 100G link
Blinking green 100G activity
Yellow 40G link
Blinking yellow 40G activity







1 PSU1 status LED 7 40/100G QSFP28 ports (49–64)
2 PSU2 status LED 8 QSFP28 port activity LEDs
3 Fan status LED 9 Serial management port
4 System status LED 10 Ethernet management port
5 1/10/25G SFP28 ports (1–48) 11 USB port
6 SFP28 port activity LEDs




1 PSU1 5 Hot-swappable fan module
2 PSU2 6 Fan module screw
3 AC power connector 7 Fan status LED
4 PSU status LED


LED function LED state Description
PSU1/PSU2 status LED Off Power is not supplied to the device
Green PSU is operating normally
Orange Signal issues:
- PSU is present, but no current is supplied
- Fan Lock
- OTP: Over Temperature Protection
- OCP: Over Current Protection
- OVP: Over Voltage Protection
- UVP: Under Voltage Protection
Fan status LED Green Fan operating normally
Orange Fan fault: check rear of unit to see which fan is faulty
System status LED Green System operating normally
Orange System warning
SFP28 port LED Off No link
Green 25G link
Blinking green 25G activity
Yellow 1/10G link
Blinking yellow 1/10G activity
QSFP28 port LED Off No link
Green 100G link
Blinking green 100G activity
Yellow 40G link
Blinking yellow 40G activity







1 PSU1 status LED 6 QSFP28 port activity LEDs
2 PSU2 status LED 7 Serial management port
3 Fan status LED 8 Ethernet management port
4 System status LED 9 USB port
5 40/100G QSFP28 ports (1–32)




1 PSU1 5 Hot-swappable fan module
2 PSU2 6 Fan module screw
3 AC power connector 7 Fan status LED
4 PSU status LED


LED function LED state Description
PSU1/PSU2 status LED Off Power is not supplied to the device
Green PSU is operating normally
Orange Signal issues:
- PSU is present, but no current is supplied
- Fan Lock
- OTP: Over Temperature Protection
- OCP: Over Current Protection
- OVP: Over Voltage Protection
- UVP: Under Voltage Protection
Fan status LED Green Fan operating normally
Orange Fan fault: check rear of unit to see which fan is faulty
System status LED Green System operating normally
Orange System warning
QSFP28 port LED Off No link
Green 100G link
Blinking green 100G activity
Yellow 40G link
Blinking yellow 40G activity
  • Last modified: November 21, 2025