![Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics](https://m.media-amazon.com/images/I/41iQx+-c2PL.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter Data Communication Interface Connecter for POS, Access Control, Etc. : Electronics Amazon.com: RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter Data Communication Interface Connecter for POS, Access Control, Etc. : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81IV0yC-dHL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter Data Communication Interface Connecter for POS, Access Control, Etc. : Electronics
![Amazon.com: Communication Data Adapter, RS232 to RS485 RS422 Converter Professional HXAD 2118C for Automatic Banking System for Industrial (US Plug) : Electronics Amazon.com: Communication Data Adapter, RS232 to RS485 RS422 Converter Professional HXAD 2118C for Automatic Banking System for Industrial (US Plug) : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61H38CCwsNL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Communication Data Adapter, RS232 to RS485 RS422 Converter Professional HXAD 2118C for Automatic Banking System for Industrial (US Plug) : Electronics
![Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics](https://m.media-amazon.com/images/I/51e+9fSMarL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/61wj4fLejQL.jpg)
Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics
![Amazon.com: JUXINICE RS232 to RS485 Serial Converter Adapter Mini-Size , RS485 bidirectional Conversion Adapter Integrated Shell-Black with Bolts Tail Pipes : Electronics Amazon.com: JUXINICE RS232 to RS485 Serial Converter Adapter Mini-Size , RS485 bidirectional Conversion Adapter Integrated Shell-Black with Bolts Tail Pipes : Electronics](https://m.media-amazon.com/images/I/61jzr1ZHBqL._AC_UF894,1000_QL80_.jpg)
Amazon.com: JUXINICE RS232 to RS485 Serial Converter Adapter Mini-Size , RS485 bidirectional Conversion Adapter Integrated Shell-Black with Bolts Tail Pipes : Electronics
![Amazon.com: USB to RS232 / RS485 / TTL (UART) Industrial Isolated Converter with Original FT232RL Inside Aluminium Alloy Enclosure Power/ADI Magnetical Isolation,TVS Diode : Electronics Amazon.com: USB to RS232 / RS485 / TTL (UART) Industrial Isolated Converter with Original FT232RL Inside Aluminium Alloy Enclosure Power/ADI Magnetical Isolation,TVS Diode : Electronics](https://m.media-amazon.com/images/I/617E6ozSwTL.jpg)
Amazon.com: USB to RS232 / RS485 / TTL (UART) Industrial Isolated Converter with Original FT232RL Inside Aluminium Alloy Enclosure Power/ADI Magnetical Isolation,TVS Diode : Electronics
![Amazon.com: diewu RJ45 to RS232 RS485 RS422 Industrial Male Converter TCP/UDP Serial RS232 RS485 to Ethernet Device Server : Electronics Amazon.com: diewu RJ45 to RS232 RS485 RS422 Industrial Male Converter TCP/UDP Serial RS232 RS485 to Ethernet Device Server : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61Ey64Q4cPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: diewu RJ45 to RS232 RS485 RS422 Industrial Male Converter TCP/UDP Serial RS232 RS485 to Ethernet Device Server : Electronics
![Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/5160fZaKSbL.jpg)
Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics
![StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852) StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852)](https://m.media-amazon.com/images/I/61dJ-LqtjpL.jpg)
StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852)
![USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS](https://m.media-amazon.com/images/I/4120Wl9jP3L.jpg)
USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS
![Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics](https://m.media-amazon.com/images/I/51kC8JThzKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: Industrial Electromagnetic Isolated RS232 TO RS485 Converter with Screw Terminal and RJ45 Connector for RS485,DB9 female Connector for RS232,ADI Magnetical Isolation,1200m Transmission Distance : Electronics Amazon.com: Industrial Electromagnetic Isolated RS232 TO RS485 Converter with Screw Terminal and RJ45 Connector for RS485,DB9 female Connector for RS232,ADI Magnetical Isolation,1200m Transmission Distance : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51rsjjFkzmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Industrial Electromagnetic Isolated RS232 TO RS485 Converter with Screw Terminal and RJ45 Connector for RS485,DB9 female Connector for RS232,ADI Magnetical Isolation,1200m Transmission Distance : Electronics
![Amazon.com: waveshare Industrial RS232 to RS485 Converter Asynchronous Bi-Directional Adapter ADI Magnetical Isolation 600W Anti-Surge, 1.2 KM Transmission : Electronics Amazon.com: waveshare Industrial RS232 to RS485 Converter Asynchronous Bi-Directional Adapter ADI Magnetical Isolation 600W Anti-Surge, 1.2 KM Transmission : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71eJmbRprxL._AC_UF894,1000_QL80_.jpg)
Amazon.com: waveshare Industrial RS232 to RS485 Converter Asynchronous Bi-Directional Adapter ADI Magnetical Isolation 600W Anti-Surge, 1.2 KM Transmission : Electronics
![Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/41XBszfg91L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA191%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics
![Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics](https://m.media-amazon.com/images/I/61-F+y+J2hL._AC_UF350,350_QL80_.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics](https://m.media-amazon.com/images/I/71z4zdognfL.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: DTech Bi-Directional Active RS232 to RS485 RS422 Serial Converter with Surge Protection 600W 15KV ESD DB9 to RJ45 Phoenix Contacts Adapter Power Supply TX RX LEDs for Long Haul Data Communication : Amazon.com: DTech Bi-Directional Active RS232 to RS485 RS422 Serial Converter with Surge Protection 600W 15KV ESD DB9 to RJ45 Phoenix Contacts Adapter Power Supply TX RX LEDs for Long Haul Data Communication :](https://m.media-amazon.com/images/I/61ZEcA505eL.jpg)
Amazon.com: DTech Bi-Directional Active RS232 to RS485 RS422 Serial Converter with Surge Protection 600W 15KV ESD DB9 to RJ45 Phoenix Contacts Adapter Power Supply TX RX LEDs for Long Haul Data Communication :
![Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics Amazon.com: DTech RS232 to RS485 Serial Converter Adapter with 4 Position Terminal Block for Industrial Long Haul Communication Data Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/61bZAFdDSOL._AC_UF894,1000_QL80_.jpg)