gefran DIGISTAR II Installation And Operation Manual page 18

Serial Port COM2 (12)
9 pole male connector standard serial COM2.
The serial is provided in RS232 standard.
18
Nr Pin
1
2
3
4
5
6
7
8
9
80544B_MHW_DIGISTAR II - DIGISTAR II Control - GF-BOX_02-2013_ENG
COM 2 RS232
Signal Function
DCD Data carrier detect
RX Receive Data
TX Trasmit Data
DTR Data terminal ready
GND Signal Ground
DSR Data set ready
RTS Request To Send
CTS Clear To Send
RI Ring