LED
State
Description
Management Port Link/
LED number
One per unit on the front panel
Activity LED
Off
No link
(single-color – green)
Green (Solid)
The port is linked
Green (Blinking)
The port is linked and there is data activity
LED on fan tray
LED number
One per fan tray
(bi-color –green-red)
Off
The fan is not powered on
Green (Solid)
The fan is working normally
Red (Solid)
The fan is working abnormally or fan failed
LED on PSU
LED number
One per PSU
(bi-color –green-amber)
Off
No AC input to PSU or AC input power
failed
Green (Solid)
Power supply is working normally
Amber (Solid)
PSU power/thermal/FAN are abnormal
Data Port
LED
State
Description
25G SFP28 Port Speed
LED number
One per SFP28 port
LED (bi-color – amber-
Off
No link
green)
Amber (Solid)
The port is linked at 25G speeds
Amber (Blinking)
The port is linked at 25G speed and there
is data activity at 25G speed
Green (Solid)
The port is linked at 10G or 1G speeds
Green (Blinking)
The port is linked at 10G or 1G speed and
there is data activity at 10G or 1G speed
100G QSFP28 Port
LED number
One per QSFP28 port
Speed LED (bi-color –
Off
No link
white-blue)
White (Solid)
The port is linked at 100G speed
White (Blinking)
The port is linked, and there is data activity
at 100G speed
Blue (Solid)
The port is linked at 40G speeds
Blue (Blinking)
The port is linked at 40G speed and there
is data activity at 40G speed
15
Network Switch Installation Guide
