Reset Cisco Aironet 1200 series
Step 0: Console to the AP (make sure you’re always console to the AP thru out)
Step 1: Disconnect power from AP.
Step 2: Press and hold the MODE button while you reconnect power to the AP.
Step 3: Hold the MODE button until the Status LED turns amber (approximately 1 to 2 sec), and release the button.
Step 4: After the AP reboots, you must re-configure the AP by using CLI or GUI
*Note: The AP is configured with the factory default values including IP address. The default username and password are Cisco/Cisco