2.1.1 LED Indicator
Table 2-1: System Status Indicator
System Status Indicator
LED
PWR
Wi-Fi
Table 2-2: Signal Strength LED Indicator
Signal Strength LED Indicator
LED Status
2.1.2 I/O Connector
2.1.2.1 WF-2042
WF-2000 Series DIO
Module Status
Wi-Fi communication error
Wi-Fi associate error
Wi-Fi unable to connect error
Wi-Fi network configurations error
Power failure
Data transmission
Bus Idle
Figure 2-2: I/O Connector of WF-2042
User's Manual (RevB1.0, Oct./2016) ------------- 10
LED Status
Blink per 100 ms
Every 1 second flashes twice per 100 ms
Blink per 1000 ms
Every 1 second flashes three times per
100 ms
Off
Blink
Off
Signal strength
High
Medium
Low
Bad or No Signal