4-port Serial Interface, Modular, With/without Optical Isolation, 3.3V

4-port Serial Interface, Modular, With/without Optical Isolation, 3.3V

Connection
(Connection example: see datasheet - pdf)

SI modules: Please order the modules separately!
MX232-G: RS232 mode with optical isolation
MX232: RS232 mode
MX422-G: RS422 mode with optical isolation
MX422: RS422 mode
MX485-G: RS485 mode with optical isolation
MX485: RS485 mode
MXTTY: Current Loop mode (active, passive) 20 mA constant current with optical isolation

ST075: Shielded round cable, 37-pin to 4 x 9-pin
ST074: Shielded round cable, 37-pin to 4 x 25-pin

Option:
Opt. Quarz: up to 1 MBaud transfer rate for RS232, RS422, RS485, PMTTY