Advantech SIMB-M21 - Serial Port Connectors (COM3, COM4, COM5); GPIO Connector (JGPIO)

29 SIMB-M21 User Manual
Chapter 2 Product Introduction
2.8.5 Serial Port connectors (COM3, COM4, COM5)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
2.8.6 GPIO Connector (JGPIO)
This connector is for GPIO function.
COM3, COM4, COM5
JDIO1