An AC power cord is not included with the AC power supply. You can purchase AC power cords for use in the US and Canada from Extreme Networks or from your local supplier. The cord must meet the requirements listed in Power Cord Requirements for AC-Powered Switches and AC Power Supplies.
To turn on an Extreme Networks switch, do the following.
When the PSU LED has turned green, follow the instructions in Connect Network Interface Cables.
If the PSU and RPS LEDs do not turn green, refer to the LEDs topic for your switch model (in Monitoring the Switch) for troubleshooting information.