![Optical Isolated Usb 2.0 To Rs485 Rs-485 Rs422 Rs-422 Converter Adapter, 600w Surge Protection,support Win7 - Instrument Parts & Accessories - AliExpress Optical Isolated Usb 2.0 To Rs485 Rs-485 Rs422 Rs-422 Converter Adapter, 600w Surge Protection,support Win7 - Instrument Parts & Accessories - AliExpress](https://ae01.alicdn.com/kf/UT8YBaBXhtXXXagOFbXy/112433227/UT8YBaBXhtXXXagOFbXy.jpg)
Optical Isolated Usb 2.0 To Rs485 Rs-485 Rs422 Rs-422 Converter Adapter, 600w Surge Protection,support Win7 - Instrument Parts & Accessories - AliExpress
![Amazon.com: BUELEC Industrial High Speed USB to RS232/RS485/RS422/TTL 4 in 1 Converter,Magnetic Isolated,Built-in 3000V Dual Isolation Power Module,Two-Way Independent Data Transmission,FT4232 Chipset : Electronics Amazon.com: BUELEC Industrial High Speed USB to RS232/RS485/RS422/TTL 4 in 1 Converter,Magnetic Isolated,Built-in 3000V Dual Isolation Power Module,Two-Way Independent Data Transmission,FT4232 Chipset : Electronics](https://m.media-amazon.com/images/I/81heSXamFoL.jpg)
Amazon.com: BUELEC Industrial High Speed USB to RS232/RS485/RS422/TTL 4 in 1 Converter,Magnetic Isolated,Built-in 3000V Dual Isolation Power Module,Two-Way Independent Data Transmission,FT4232 Chipset : Electronics
![Industrial Usb 2.0 To Rs485 Rs-485 Rs422 Rs-422 Converter Adapter, Ftdi Ft232rl Chip, Win7 Wince Linux - Instrument Parts & Accessories - AliExpress Industrial Usb 2.0 To Rs485 Rs-485 Rs422 Rs-422 Converter Adapter, Ftdi Ft232rl Chip, Win7 Wince Linux - Instrument Parts & Accessories - AliExpress](https://ae01.alicdn.com/kf/UT8diyBXl8XXXagOFbXM/112433227/UT8diyBXl8XXXagOFbXM.jpg)
Industrial Usb 2.0 To Rs485 Rs-485 Rs422 Rs-422 Converter Adapter, Ftdi Ft232rl Chip, Win7 Wince Linux - Instrument Parts & Accessories - AliExpress
![Advantech BB-USOPTL4-LS: Isolated RS-422/485 High Retention USB Converter - Locked Serial Number (USB cable included) Advantech BB-USOPTL4-LS: Isolated RS-422/485 High Retention USB Converter - Locked Serial Number (USB cable included)](https://cdn11.bigcommerce.com/s-exhcjslbho/images/stencil/1280x1280/products/6750/9685/USOPTL4-LS_RightFacing_72rgb820x460px_321620191217150755__82458.1625830456.jpg?c=1)
Advantech BB-USOPTL4-LS: Isolated RS-422/485 High Retention USB Converter - Locked Serial Number (USB cable included)
![Amazon.com: Advantech BB-USOPTL4 Isolated High Retention USB to 1 Port RS- 422/485 Converter, 0.9m USB Cable Included, 460.8 kbps Data Rate, Powered from USB Bus : Electronics Amazon.com: Advantech BB-USOPTL4 Isolated High Retention USB to 1 Port RS- 422/485 Converter, 0.9m USB Cable Included, 460.8 kbps Data Rate, Powered from USB Bus : Electronics](https://m.media-amazon.com/images/I/31IFmQ6thSL._AC_UF894,1000_QL80_.jpg)