SC232-X 3 4 6
Power supply voltage (VDC) 9-40 9-40 15-40
DB9 M RS232 connector     •
RS232 on screw-clamp connection • •  
RS485 isolated (2500 V)   •  
Selection of matching resistors by switches • • •
Polarisation of RS485 line
selection by switches		 • • •
Supplies power supply voltage •
12 VDC - 400 mA		     •
On-off switch     •