RS232 to RS485 Communication Drivers & Converters Type-DVI Series 8 in 1 repair tools

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RS232 to RS485 Communication Drivers & Converters Type-DVI Series 8 in 1 repair tools1. Serial port feature: concurrently compatible with RS 232C, RS 485 standard of EIA TIA. 2. Electric interface: DB9 hole interface of RS 232 end, DB9 pin connector of RS 485 end, compatible with post (5 connection). 3. Work methods: asynchronous half duplex. 4. Transmission media: common wire, double wire or UTP or shielding line. 5. Transmission speed: 300~115~21BDS. 6. Transmission distance: 5 meters(RS 232 end) 1. 200 meters(RS 485 end). 7. RS232