x If the fans are working properly, the “Fan” LEDs will remain unlit. If either or both of
the fans stop or fail, the corresponding “Fan” LED(s) will be lit red.
LED Indicators
Statu s
LED Color Solid Blinking
Power Green The device is powered on N/A
Diagnostic Green Self diagnostic successful
Performing self
diagnostic (after power
on)
FAN1 Red Left cooling fan failed N/A
Cooling
Fans FAN2 Red Right cooling fan failed N/A
Green 100Mbps Fast Ethernet connection speed N/A
100M
(Port 1-24) Off 10Mbps connection speed N/A
10/100/1000Mbps Copper Gigabit Port (Optional Module)
Top LED Orange 100Mbps Fast Ethernet connection speed
(with Middle LED off) N/A
Middle LED Green 10Mbps Ethernet connection.
(with Top LED off) N/A
Bottom LED Green N/A TX/RX activity or
collision
Top + Middle
LEDs
Orange+
Green 1000Mbps Gigabit connection speed N/A
10