Communication speed4800, 9600, 19200, 38400, 57600, 115200 baud
Communication modeFull duplex
Operating modeReferred to 0V
Max. number of devices connected on the line1
Max. cable length15 m
Input impedence> 3 Kohm
Short-circuit current limit7 mA

Internal wiring diagram of RS232

Cable connection diagram of RS232