Chapter 1: CN1610 Switch Features 11
In addition to the system LEDs on the back panel of the switch, each fan tray and
power supply includes LEDs on the front panel to provide status information:
Front-panel
LEDs
Color Description
AC OK
Solid green The AC power supply has power.
Off The AC power supply does not have power.
Fan
Amber A fan fault has been detected.
Off The fan is operating normally.