RS485 to RS232 communication converter, photoelectric isolated interface converter Interface feature: port compatible with EIA / TIA RS-232C, RS-485/RS-422 standard Supply voltage: DC9-36V Electrical Interface: RS-232C interface DB9 hole connector, RS-422/RS-485 interface four terminals, power interface two terminals Transmission media: twisted pair or shielded wire Working mode: asynchronous half-duplex or full-duplex asynchronous Signal indication: three signal lights indicate TXD, RXD, and POWER Isolation: isolation voltage 3500VRMS, 500VDC continuous Transfer rate: 115.2K BPS to 300M; 38.4K BPS to 2.4KM; 9600 BPS to 5KM Degree of protection: RS-232 interface +15 KV ESD protection, RS-422/RS-485 interface each 600W lightning surge protection Transmission distance: 0-5 km (115200-300BPS) Size: 115mmx72mmx25mm Operating environment: -25 ° C to 70 ° C, relative humidity: 5% to 95% Mounting: Surface or DIN rail Ingress Protection: IP20