Chengdu Ebyte Electronic Technology Co,;Ltd E70 -DTU (433NW30) user manual
Copyright ©2012–2019,Chengdu Ebyte Electronic Technology Co,;Ltd
6
3.2.
Pin definition
No
Pin
Function
1
RS232
RS232 interface
2
485_A
RS-485 interface A
3
485_B
RS-485 interface B
4
GND
Ground
5
VCC
Power supply
:
DC8-28V
6
PWR
Power Indicator
7
LINK
Network successfully established indicator
8
WORK
Indicator light
9
DC8~28V
Power supply:8~28V DC
10
M 1
Operation mode selection
11
M 0
Operation mode selection
12
ANT
Antenna (50Ω characteristic impedance)