![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._AC_UF894,1000_QL80_.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: Zunate RS232 to RS485 / RS422 Adapter, Cascadable 16-32 Devices Converter, MiniSize Serial Communication Data Converter Adapter : Electronics Amazon.com: Zunate RS232 to RS485 / RS422 Adapter, Cascadable 16-32 Devices Converter, MiniSize Serial Communication Data Converter Adapter : Electronics](https://m.media-amazon.com/images/I/511R+OBvsUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Zunate RS232 to RS485 / RS422 Adapter, Cascadable 16-32 Devices Converter, MiniSize Serial Communication Data Converter Adapter : Electronics
![Amazon.com: Industrial RS232 to RS485 Converter Asynchronous Bi-Directional Adapter ADI Magnetical Isolation 600W Anti-Surge, 1.2 KM Transmission : Electronics Amazon.com: 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/I/71eJmbRprxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 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 Converter Serial Communication Data Adapter with TX RX LED Indicators and Terminal Board : Electronics Amazon.com: DTech RS232 to RS485 Converter Serial Communication Data Adapter with TX RX LED Indicators and Terminal Board : Electronics](https://m.media-amazon.com/images/I/81irSGlZa5L._AC_UF894,1000_QL80_DpWeblab_.jpg)
Amazon.com: DTech RS232 to RS485 Converter Serial Communication Data Adapter with TX RX LED Indicators and Terminal Board : Electronics
![Amazon.com: RS232 to RS485 Communication Data Converter, 36 Decoders 1200 Meters/3937ft Distance for RS-422 / RS-485 EIA/TIA RS-232 : Electronics Amazon.com: RS232 to RS485 Communication Data Converter, 36 Decoders 1200 Meters/3937ft Distance for RS-422 / RS-485 EIA/TIA RS-232 : Electronics](https://m.media-amazon.com/images/I/51LjFO6SO1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 to RS485 Communication Data Converter, 36 Decoders 1200 Meters/3937ft Distance for RS-422 / RS-485 EIA/TIA RS-232 : Electronics
![Amazon.com: DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge : Electronics Amazon.com: DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/51r2HiLXpVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge : Electronics
![Amazon.com: DTECH Industrial Grade RS232 to RS485 Serial Converter 3 Channel RS-485 Expansion Hub with 600W Surge Protection TX RX LEDs Power Adapter Terminal Block : Electronics Amazon.com: DTECH Industrial Grade RS232 to RS485 Serial Converter 3 Channel RS-485 Expansion Hub with 600W Surge Protection TX RX LEDs Power Adapter Terminal Block : Electronics](https://m.media-amazon.com/images/I/71x4lEYUffL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTECH Industrial Grade RS232 to RS485 Serial Converter 3 Channel RS-485 Expansion Hub with 600W Surge Protection TX RX LEDs Power Adapter Terminal Block : Electronics
![Amazon.com: DTECH USB to RS485 Adapter RS422 Serial Port Cable with CP2102 Chip Terminal Board LED Lights Ferrite Core for Windows 11 10 8 7 XP Mac (5 Feet) : Electronics Amazon.com: DTECH USB to RS485 Adapter RS422 Serial Port Cable with CP2102 Chip Terminal Board LED Lights Ferrite Core for Windows 11 10 8 7 XP Mac (5 Feet) : Electronics](https://m.media-amazon.com/images/I/61gUnZy6QoS._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTECH USB to RS485 Adapter RS422 Serial Port Cable with CP2102 Chip Terminal Board LED Lights Ferrite Core for Windows 11 10 8 7 XP Mac (5 Feet) : Electronics
![Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852) : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852) : Electronics](https://m.media-amazon.com/images/I/61dJ-LqtjpL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852) : Electronics
![Amazon.com: Single Port Serial Server RS232 RS485 RS422 Serial to Ethernet Converter Transparent Transmission Between RS232/RS485/RS422 Ethernet Serial Data Communication Device (TCP232-306 RS232/485/422 Port) : Electronics Amazon.com: Single Port Serial Server RS232 RS485 RS422 Serial to Ethernet Converter Transparent Transmission Between RS232/RS485/RS422 Ethernet Serial Data Communication Device (TCP232-306 RS232/485/422 Port) : Electronics](https://m.media-amazon.com/images/I/51I-ye4NEkL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Single Port Serial Server RS232 RS485 RS422 Serial to Ethernet Converter Transparent Transmission Between RS232/RS485/RS422 Ethernet Serial Data Communication Device (TCP232-306 RS232/485/422 Port) : 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._AC_UF894,1000_QL80_.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: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : Electronics](https://m.media-amazon.com/images/I/615dXJGLnUL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USR-TCP232-410s RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS : 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/61W+N8H6uGL.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: COMMFRONT Industrial RS232 to RS485 Converter, Port-Powered, Built-in 120-Ohm Terminator, 600W Surge and 15kV Static Protection : Electronics Amazon.com: COMMFRONT Industrial RS232 to RS485 Converter, Port-Powered, Built-in 120-Ohm Terminator, 600W Surge and 15kV Static Protection : Electronics](https://m.media-amazon.com/images/I/61p4LXTuaeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: COMMFRONT Industrial RS232 to RS485 Converter, Port-Powered, Built-in 120-Ohm Terminator, 600W Surge and 15kV Static Protection : Electronics
![Amazon.com: RS232 to RS485 RS422 Converter, 1500w Surge Protection, 32 to 128 Devices, Transmission Distance Up to 1.8km, Support Point to Point, Point to multipoint 4 Wire Full Duplex : Electronics Amazon.com: RS232 to RS485 RS422 Converter, 1500w Surge Protection, 32 to 128 Devices, Transmission Distance Up to 1.8km, Support Point to Point, Point to multipoint 4 Wire Full Duplex : Electronics](https://m.media-amazon.com/images/I/61yKTllLcqL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 to RS485 RS422 Converter, 1500w Surge Protection, 32 to 128 Devices, Transmission Distance Up to 1.8km, Support Point to Point, Point to multipoint 4 Wire Full Duplex : 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/61k+o2kgtkL.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge : Electronics Amazon.com: DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge : Electronics](https://m.media-amazon.com/images/I/41KJeJXE9mL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA15%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: DTECH RS232 to RS485 Converter Serial Adapter with 4 Position Terminal Block for Long Haul Data Communication Supports 600W Anti-Surge : Electronics
![Amazon.com: COMMFRONT Industrial Slim RS232 to RS485 Converter, Port-Powered, Built-in Selectable 120-Ohm Terminator, 600W Surge and 15kV ESD Protection : Electronics Amazon.com: COMMFRONT Industrial Slim RS232 to RS485 Converter, Port-Powered, Built-in Selectable 120-Ohm Terminator, 600W Surge and 15kV ESD Protection : Electronics](https://m.media-amazon.com/images/I/51c7EZErc5L._AC_UF894,1000_QL80_.jpg)
Amazon.com: COMMFRONT Industrial Slim RS232 to RS485 Converter, Port-Powered, Built-in Selectable 120-Ohm Terminator, 600W Surge and 15kV ESD Protection : Electronics
![Amazon.com: Zopsc RS-232 to 485/422 Adapter Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines : Electronics Amazon.com: Zopsc RS-232 to 485/422 Adapter Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines : Electronics](https://m.media-amazon.com/images/I/51yDzwoqdmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Zopsc RS-232 to 485/422 Adapter Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines : Electronics
![Amazon.com: USB /RS232 /TTL to RS232 /485 /TTL Converter, Industrial Isolated Multi-Bus Adapter, Built-in Power Supply Isolation Digital Isolation Protection Circuits Support Windows 11 / 10/ 8.1/8 /7 /XP,etc : Electronics Amazon.com: USB /RS232 /TTL to RS232 /485 /TTL Converter, Industrial Isolated Multi-Bus Adapter, Built-in Power Supply Isolation Digital Isolation Protection Circuits Support Windows 11 / 10/ 8.1/8 /7 /XP,etc : Electronics](https://m.media-amazon.com/images/I/71mmqaSZJlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB /RS232 /TTL to RS232 /485 /TTL Converter, Industrial Isolated Multi-Bus Adapter, Built-in Power Supply Isolation Digital Isolation Protection Circuits Support Windows 11 / 10/ 8.1/8 /7 /XP,etc : 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/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: USB to RS232/RS485/TTL Industrial Isolated Converter with Original FT232RL Inside,ADI magnetical Isolation, TVS diode,Industrial Equipment for high Communication Requirements or Applications : Electronics Amazon.com: USB to RS232/RS485/TTL Industrial Isolated Converter with Original FT232RL Inside,ADI magnetical Isolation, TVS diode,Industrial Equipment for high Communication Requirements or Applications : Electronics](https://m.media-amazon.com/images/I/61AvPaoZNIL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB to RS232/RS485/TTL Industrial Isolated Converter with Original FT232RL Inside,ADI magnetical Isolation, TVS diode,Industrial Equipment for high Communication Requirements or Applications : Electronics
![Amazon.com: RS232 to RS485 Serial Converter Adapter Half Duplex Communication Data Adapter Converter with with 36 Decoders Compatible with EIATIA RS 232 and RS 422 / RS 485 Standards : Electronics Amazon.com: RS232 to RS485 Serial Converter Adapter Half Duplex Communication Data Adapter Converter with with 36 Decoders Compatible with EIATIA RS 232 and RS 422 / RS 485 Standards : Electronics](https://m.media-amazon.com/images/I/61LCNr590+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS232 to RS485 Serial Converter Adapter Half Duplex Communication Data Adapter Converter with with 36 Decoders Compatible with EIATIA RS 232 and RS 422 / RS 485 Standards : 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/51kC8JThzKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: Yunseity RS232 RS485 Serial to Ethernet Adapter Serial Device Server Converter High Speed 100-240V for Office (US Plug 100‑240V) : Electronics Amazon.com: Yunseity RS232 RS485 Serial to Ethernet Adapter Serial Device Server Converter High Speed 100-240V for Office (US Plug 100‑240V) : Electronics](https://m.media-amazon.com/images/I/61DTjMY+VrL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Yunseity RS232 RS485 Serial to Ethernet Adapter Serial Device Server Converter High Speed 100-240V for Office (US Plug 100‑240V) : Electronics
![Amazon.com: uxcell RS232 to RS485 Communication Data Interface Converter Adapter w Terminal Board : Electronics Amazon.com: uxcell RS232 to RS485 Communication Data Interface Converter Adapter w Terminal Board : Electronics](https://m.media-amazon.com/images/I/61FnUOqzSIL._AC_UF894,1000_QL80_.jpg)