System Installation
WEB-85H1 User
’s Manual
2-10
2.5 I/O Interfaces
Front View
Function
Photo
Description
ANT1.ANT4
Antenna holes for LTE module
ANT2.ANT3
Antenna holes for WIFI module
Power
button
Press the power button to turn ON/OFF the system
DI/DO
The Isolation Digital Input / Output
LED
indicator
WD LED: Watchdog LED: LED color is Green.
Status ON: Watch dog timeout event.
Status OFF: Watch dog timeout event.
CFast LED: CFast LED: LED color is Green.
Status ON: CFast is reading/ Writing
data
Status OFF: CFast is not working
U1~U4 LED: U1~U2 color is RED,
U3~U4 color is Yellow.
U1~ U4 LED: Programmable
Status: ON/Blink/OFF/