![Amazon.com: DWEII 2PACK USB to RS485 RS232 Converter with CH340 chip Upgrade Protection RS485 Converter Compatibility V2.0 Standard RS-485 A Connector Board : Electronics Amazon.com: DWEII 2PACK USB to RS485 RS232 Converter with CH340 chip Upgrade Protection RS485 Converter Compatibility V2.0 Standard RS-485 A Connector Board : Electronics](https://m.media-amazon.com/images/I/71jH5ha0PVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DWEII 2PACK USB to RS485 RS232 Converter with CH340 chip Upgrade Protection RS485 Converter Compatibility V2.0 Standard RS-485 A Connector Board : Electronics
![Amazon.com: Industrial Grade Isolated RS232 to RS485 Bi-Directional Converter, Embedded TVS, ADI Magnetical Isolation, Anti-Surge : Electronics Amazon.com: Industrial Grade Isolated RS232 to RS485 Bi-Directional Converter, Embedded TVS, ADI Magnetical Isolation, Anti-Surge : Electronics](https://m.media-amazon.com/images/I/51b1SeLQYNS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Industrial Grade Isolated RS232 to RS485 Bi-Directional Converter, Embedded TVS, ADI Magnetical Isolation, Anti-Surge : Electronics
![Amazon.com: Industrial Serial Server RS485 to RJ45 Ethernet Module with POE Function, TCP/IP to Serial, Bi-Directional Transparent Data Transmission Between RS485 and Ethernet, Support Rail-mount, Modbus Gateway : Electronics Amazon.com: Industrial Serial Server RS485 to RJ45 Ethernet Module with POE Function, TCP/IP to Serial, Bi-Directional Transparent Data Transmission Between RS485 and Ethernet, Support Rail-mount, Modbus Gateway : Electronics](https://m.media-amazon.com/images/I/61Pl4mGu0cL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Industrial Serial Server RS485 to RJ45 Ethernet Module with POE Function, TCP/IP to Serial, Bi-Directional Transparent Data Transmission Between RS485 and Ethernet, Support Rail-mount, Modbus Gateway : 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/61bZAFdDSOL._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: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics Amazon.com: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics](https://m.media-amazon.com/images/I/71ZNOSKW2dL.jpg)
Amazon.com: Isolated RS485 RS232 Expansion HAT Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero 2 W/Zero 2 WH,Adopt SC16IS752 UART Expansion Chip,SPI to RS485 and RS232 Up to 921600bps Data Rate : Electronics
![Amazon.com: DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac : Electronics Amazon.com: DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac : Electronics](https://m.media-amazon.com/images/I/61bOmesLodL.jpg)
Amazon.com: DTech 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac : Electronics
![Amazon.com: COMMFRONT Industrial RS485 / RS422 Isolator/Repeater/Converter, 2500V Optical Isolation, 600W Surge and 15kV ESD Static Protection, DIN-Rail/Wall/Panel Mount : Electronics Amazon.com: COMMFRONT Industrial RS485 / RS422 Isolator/Repeater/Converter, 2500V Optical Isolation, 600W Surge and 15kV ESD Static Protection, DIN-Rail/Wall/Panel Mount : Electronics](https://m.media-amazon.com/images/I/719XED6xDRL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: COMMFRONT Industrial RS485 / RS422 Isolator/Repeater/Converter, 2500V Optical Isolation, 600W Surge and 15kV ESD Static Protection, DIN-Rail/Wall/Panel Mount : Electronics
![Amazon.com: ANMBEST 10PCS MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi Industrial-Control : Electronics Amazon.com: ANMBEST 10PCS MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi Industrial-Control : Electronics](https://m.media-amazon.com/images/I/61RSWIYUJyL._AC_UF894,1000_QL80_.jpg)
Amazon.com: ANMBEST 10PCS MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi Industrial-Control : Electronics
![Amazon.com: 12Pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS485 Instrument Interface Module Max458 Chip RS-485 Communication Transceiver 5V SCM Development Accessories Board for Raspberry Pi : Electronics Amazon.com: 12Pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS485 Instrument Interface Module Max458 Chip RS-485 Communication Transceiver 5V SCM Development Accessories Board for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/81bori5F+MS._AC_UF894,1000_QL80_.jpg)
Amazon.com: 12Pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS485 Instrument Interface Module Max458 Chip RS-485 Communication Transceiver 5V SCM Development Accessories Board for Raspberry Pi : Electronics
![Amazon.com: Compatible with EIA/TIA RS-232 and RS-422 / RS-485 Standards, with 36 Decoders RS232 to RS485 Converter, Data Converter, for Factory Commercial : Electronics Amazon.com: Compatible with EIA/TIA RS-232 and RS-422 / RS-485 Standards, with 36 Decoders RS232 to RS485 Converter, Data Converter, for Factory Commercial : Electronics](https://m.media-amazon.com/images/I/61zllbEAaBL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Compatible with EIA/TIA RS-232 and RS-422 / RS-485 Standards, with 36 Decoders RS232 to RS485 Converter, Data Converter, for Factory Commercial : Electronics
![Amazon.com: RS485 to WiFi/Ethernet Module, Rail-Mount Serial Server, Modbus MQTT Gateway, Support 802.11b/g/n Wireless Standards, Support RS485 to WiFi, RS485 to Ethernet, Ethernet to WiFi, etc. : Electronics Amazon.com: RS485 to WiFi/Ethernet Module, Rail-Mount Serial Server, Modbus MQTT Gateway, Support 802.11b/g/n Wireless Standards, Support RS485 to WiFi, RS485 to Ethernet, Ethernet to WiFi, etc. : Electronics](https://m.media-amazon.com/images/I/61e9I1Me-SL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS485 to WiFi/Ethernet Module, Rail-Mount Serial Server, Modbus MQTT Gateway, Support 802.11b/g/n Wireless Standards, Support RS485 to WiFi, RS485 to Ethernet, Ethernet to WiFi, etc. : Electronics
![Amazon.com: Songhe TTL to RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module TTL Turn to RS485 Module 3.3V-5.5V (5pcs) : Electronics Amazon.com: Songhe TTL to RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module TTL Turn to RS485 Module 3.3V-5.5V (5pcs) : Electronics](https://m.media-amazon.com/images/I/91g1P27GiEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Songhe TTL to RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module TTL Turn to RS485 Module 3.3V-5.5V (5pcs) : Electronics
![Amazon.com: Waveshare Industrial Grade Isolated RS232 to RS485 Converter with ADI Magnetical Isolation : Electronics Amazon.com: Waveshare Industrial Grade Isolated RS232 to RS485 Converter with ADI Magnetical Isolation : Electronics](https://m.media-amazon.com/images/I/51rtpV5MhfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Waveshare Industrial Grade Isolated RS232 to RS485 Converter with ADI Magnetical Isolation : Electronics
![Amazon.com: 5PCS RS-485 MAX485 Chip Module TTL to RS-485 Module SCM Development Accessories Board : Electronics Amazon.com: 5PCS RS-485 MAX485 Chip Module TTL to RS-485 Module SCM Development Accessories Board : Electronics](https://m.media-amazon.com/images/I/71aq68DO48L.jpg)
Amazon.com: 5PCS RS-485 MAX485 Chip Module TTL to RS-485 Module SCM Development Accessories Board : Electronics
![Amazon.com: ACEIRMC 10pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi : Electronics Amazon.com: ACEIRMC 10pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/81k8C-vMKRS._AC_UF894,1000_QL80_.jpg)
Amazon.com: ACEIRMC 10pcs MAX485 RS485 Transceiver Module TTL UART Serial to RS-485 Module for Arduino Raspberry Pi : Electronics
![Amazon.com: JBtek USB to RS485 Converter Adapter ch340T chip 64-bit Window 7 Supported : Electronics Amazon.com: JBtek USB to RS485 Converter Adapter ch340T chip 64-bit Window 7 Supported : Electronics](https://m.media-amazon.com/images/I/61qD1YMMTWL.jpg)
Amazon.com: JBtek USB to RS485 Converter Adapter ch340T chip 64-bit Window 7 Supported : Electronics
![pzsmocn RS232 to RS485 Bidirectional Passive Serial Adapter, Port Power Supply, 600W Surge Protection and 15KV Electrostatic Protection, Compatible with RS-232C RS485 Standard. : Amazon.com.be: Electronics pzsmocn RS232 to RS485 Bidirectional Passive Serial Adapter, Port Power Supply, 600W Surge Protection and 15KV Electrostatic Protection, Compatible with RS-232C RS485 Standard. : Amazon.com.be: Electronics](https://m.media-amazon.com/images/I/31bZNbapJgL._AC_SY1000_.jpg)
pzsmocn RS232 to RS485 Bidirectional Passive Serial Adapter, Port Power Supply, 600W Surge Protection and 15KV Electrostatic Protection, Compatible with RS-232C RS485 Standard. : Amazon.com.be: Electronics
![Amazon.com: DTech USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) : Electronics Amazon.com: DTech USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) : Electronics](https://m.media-amazon.com/images/I/61c+gGvQvnL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet) : Electronics
![Amazon.com: RS485 Converter Adapter, RS-232 to 485/422 Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines, Compatible with RS-232, RS-485, RS-422 Standards : Electronics Amazon.com: RS485 Converter Adapter, RS-232 to 485/422 Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines, Compatible with RS-232, RS-485, RS-422 Standards : Electronics](https://m.media-amazon.com/images/I/51yDzwoqdmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS485 Converter Adapter, RS-232 to 485/422 Converter Adapter Cascadable 16-32 Devices Converter for Attendance Machines, Compatible with RS-232, RS-485, RS-422 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: RS485 Signal Repeater, Electrical Isolation Amplifier Isolated Distance Extender 1pc Industrial Grade : Electronics Amazon.com: RS485 Signal Repeater, Electrical Isolation Amplifier Isolated Distance Extender 1pc Industrial Grade : Electronics](https://m.media-amazon.com/images/I/51YEXHKcSuL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS485 Signal Repeater, Electrical Isolation Amplifier Isolated Distance Extender 1pc Industrial Grade : Electronics
![Amazon.com: RS485 CAN HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH,Allow Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SN65HVD230 : Electronics Amazon.com: RS485 CAN HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH,Allow Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SN65HVD230 : Electronics](https://m.media-amazon.com/images/I/81yBfpqsriL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RS485 CAN HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/WH,Allow Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SN65HVD230 : 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
![Amazon.com: RS485 MODBUS-RTU Signal Distributor /4 Way Signal Splitter/Signal Adapter Box : Automotive Amazon.com: RS485 MODBUS-RTU Signal Distributor /4 Way Signal Splitter/Signal Adapter Box : Automotive](https://m.media-amazon.com/images/I/51uALXMVlnL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: RS485 MODBUS-RTU Signal Distributor /4 Way Signal Splitter/Signal Adapter Box : Automotive
![Amazon.com: ATNEDCVH RS232 RS485 to 4 Ports RS485 Repeater Optical Isolator Industrial Grade, RS485 hub 4 in 1 Out Signal Amplifier Anti-Interference (Blue) : Electronics Amazon.com: ATNEDCVH RS232 RS485 to 4 Ports RS485 Repeater Optical Isolator Industrial Grade, RS485 hub 4 in 1 Out Signal Amplifier Anti-Interference (Blue) : Electronics](https://m.media-amazon.com/images/I/61mAnHIlC8L._AC_UF894,1000_QL80_.jpg)