Chengdu Ebyte Electronic Technology Co., Ltd. NB114 User Manual
Copyright ©2012–2023,Chengdu Ebyte Electronic Technology Co., Ltd.
3.3. Indicator and interface description
Standard DB9-RS-232 bus head wire
sequence;
A of RS-485 interface, T+sent by RS-422;
B of RS-485 interface, T - sent by RS-422;
Power on: the red light is on;
Power off: the light is off;