well.
WPS
When blinking, it indicates the device is negotiating with
client in WPS mode.
WLAN
Wireless signal LED indicator. When turns green,
blinking indicates the wireless function is enabled.
LAN (1,2,3,4)
Wired local network LED indicator. Always ON indicates
it is connected with Ethernet device; blinking indicates
the device is transmitting and/or receiving data.
WAN
Wide area network indicator. Always ON indicates it is
connected with Ethernet device; blinking indicates the
device is transmitting and/or receiving data.