Edimax Technology BR-6424n - Manual (Page 14)

3. Connect the power adapter to the wall socket, and then connect it to
the ‘Power’ socket of the router.
4. Please check all LEDs on the front panel. ‘PWR’ LED should be
steadily on, WAN and LAN LEDs should be on if the computer /
network device connected to the respective port of the router is
powered on and correctly connected. If PWD LED is not on, or any
LED you expected is not on, please recheck the cabling.
5. To improve wireless signal reception, please arrange the antennas as
the picture shown below (horizontal or vertical installation), and place
the wireless access point in open space. Please keep the distance
between antennas, if the antennas are too close to each other, wireless
signal reception will be affected.