![Amazon.com: COMMFRONT Industrial RS232 to RS422 Converter, Port-Powered, Built-in 120-Ohm Terminator, 600W Surge and 15kV Static Protection : Electronics Amazon.com: COMMFRONT Industrial RS232 to RS422 Converter, Port-Powered, Built-in 120-Ohm Terminator, 600W Surge and 15kV Static Protection : Electronics](https://m.media-amazon.com/images/I/61IdE5Vt8iL._AC_UF894,1000_QL80_.jpg)
Amazon.com: COMMFRONT Industrial RS232 to RS422 Converter, Port-Powered, Built-in 120-Ohm Terminator, 600W Surge and 15kV Static Protection : Electronics
![232 RS232 Serial to RS485/RS422 485/422 Converter Compatible EIA/ RS232C Standard and RS485/RS422 Standard - Walmart.com 232 RS232 Serial to RS485/RS422 485/422 Converter Compatible EIA/ RS232C Standard and RS485/RS422 Standard - Walmart.com](https://i5.walmartimages.com/asr/46c64f1d-c80d-4c10-81cb-2d4b41f2abab.e3a1bf2a681f3eccb7a4a41efa8293b0.jpeg)
232 RS232 Serial to RS485/RS422 485/422 Converter Compatible EIA/ RS232C Standard and RS485/RS422 Standard - Walmart.com
![RS232 to RS422 converter 422 to 232 RS232 converter switch RS422 adapter FDX Full Duplex full-duplex no power need - Newegg.com RS232 to RS422 converter 422 to 232 RS232 converter switch RS422 adapter FDX Full Duplex full-duplex no power need - Newegg.com](https://c1.neweggimages.com/productimage/nb640/B8VPD2309220GX1CL09.jpg)
RS232 to RS422 converter 422 to 232 RS232 converter switch RS422 adapter FDX Full Duplex full-duplex no power need - Newegg.com
![232 RS232 Serial to RS485/RS422 485/422 Converter Compatible EIA/ RS232C Standard and RS485/RS422 Standard - Walmart.com 232 RS232 Serial to RS485/RS422 485/422 Converter Compatible EIA/ RS232C Standard and RS485/RS422 Standard - Walmart.com](https://i5.walmartimages.com/asr/35eda82b-a59b-409d-a3de-48982503713b.7d23a91ed9f473578332f264242497ad.jpeg)
232 RS232 Serial to RS485/RS422 485/422 Converter Compatible EIA/ RS232C Standard and RS485/RS422 Standard - Walmart.com
![Amazon.com: UOTEK Mini RS232 to RS422 Adapter RS-232 to RS-422 Converter Port-Powered Serial Converter UT-202D : Electronics Amazon.com: UOTEK Mini RS232 to RS422 Adapter RS-232 to RS-422 Converter Port-Powered Serial Converter UT-202D : Electronics](https://m.media-amazon.com/images/I/618lE6NkXbL.jpg)
Amazon.com: UOTEK Mini RS232 to RS422 Adapter RS-232 to RS-422 Converter Port-Powered Serial Converter UT-202D : Electronics
StarTech.com Industrial RS232 to RS422/485 Serial Converter w/ 15KV ESD - IC232485S - Serial Adapters - CDW.com
![High Resolution DTECH DT-9026 Active RS232 To RS485 RS422 Converter,Professional DTECH DT-9026 Active RS232 To RS485 RS422 Converter Manufacturers High Resolution DTECH DT-9026 Active RS232 To RS485 RS422 Converter,Professional DTECH DT-9026 Active RS232 To RS485 RS422 Converter Manufacturers](https://www.dtechelectronics.com/js/htmledit/kindeditor-en/attached/20151113/20151113104914_69497.jpg)