(17) LED Indications
Condition
ON Solid
Blink(-1-)
Blink(-1-1-)
OFF
WizFi 210/220 User Manual
D3(PWR)
D1(GPIO 30)
Power On
Serial Data Rx
-
(Data Mode)
Serial Data Rx
-
(AT Command Mode)
No Power
Table 15. LED Indications
(WIZnet Co., Ltd.)
D2(GPIO 31)
-
Serial-To-WiFi OK
-
-
Serial-To-WiFi Error
D4 (GPIO 28)
Associated
-
-
Not Associated
17