BeiJer GN-9289 - RS232 Port for MODBUS;RTU, Touch Panel or Ioguide

GN-9289 User Manual
Page 22 of (70)
G-series GN-9289 Modbus TCP_UDP Rev. 1.01.docx
6.3 RS232 Port for MODBUS/RTU, Touch Panel or IOGuide
Pin#
Signal Name
Description
1
Reserved
----
2
TXD
RS232 TXD
3
RXD
RS232 RXD
4
GND
RS232 GND