USR IOT USR-N540 - Product Functions and Applications; Socket Communication Modes

USR-N540 User Manual www.usriot.com
Jinan USR IOT Technology Limited 13 / 73 inquiry@usriot.com
Type
1
2
3
4
5
RS232
TX
RX
GND
RS485
A+
B-
GND
RS422
T+
T-
R+
R-
GND
3. Product Function
USR-N540 Function Diagram
Each serial port corresponds to two socket: socket A and socket B. Socket B can be opened or closed.
Notes: USR-N540 supports double sockets. It means one serial port corresponds to two sockets.
Socket A: Supports TCP client, TCP server, UDP client, UDP server, Httpd client