JLCooper gBOX - Manual (Page 14)

14
Serial
When the 920466 Standard RS-232 Interface Card or the 920465
Standard RS-422 Interface Card is installed the unit is a simple
GPI to serial converter. The pinout of the serial interface is
detailed in the table below.
Interface RS-232C RS-422A RS-422A
“Mach” “Host”
Pin 1 not used not used not used
Pin 2 Transmit Receive A Transmit A
Pin 3 Receive Transmit B Receive B
Pin 4 not used Ground Ground
Pin 5 Ground not used not used
Pin 6 not used Ground Ground
Pin 7 not used Receive B Transmit B
Pin 8 not used Transmit A Receive A
Pin 9 not used not used not used
Serial Port Pinout