![Amazon.com: Sealevel SeaLINK USB to 1-Port RS-485 DB9 Serial Interface Adapter, DB9 to 5-Pin Screw Terminal Block Included, High-Speed 921.6 Kbps Max Data Rate, Authentic FTDI Chipset : Electronics Amazon.com: Sealevel SeaLINK USB to 1-Port RS-485 DB9 Serial Interface Adapter, DB9 to 5-Pin Screw Terminal Block Included, High-Speed 921.6 Kbps Max Data Rate, Authentic FTDI Chipset : Electronics](https://m.media-amazon.com/images/I/613V6hBdstL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Sealevel SeaLINK USB to 1-Port RS-485 DB9 Serial Interface Adapter, DB9 to 5-Pin Screw Terminal Block Included, High-Speed 921.6 Kbps Max Data Rate, Authentic FTDI Chipset : Electronics
![Amazon.com: DTech RS485 Cable to USB C RS422 Serial Adapter with FTDI Chip Breakout Board LED Indicators RS-485 RS-422 Converter Supports Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics Amazon.com: DTech RS485 Cable to USB C RS422 Serial Adapter with FTDI Chip Breakout Board LED Indicators RS-485 RS-422 Converter Supports Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics](https://m.media-amazon.com/images/I/6131dKuiXbL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DTech RS485 Cable to USB C RS422 Serial Adapter with FTDI Chip Breakout Board LED Indicators RS-485 RS-422 Converter Supports Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics
![Amazon.com: DTech RS485 Cable to USB C RS422 Serial Adapter with FTDI Chip Breakout Board LED Indicators RS-485 RS-422 Converter Supports Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics Amazon.com: DTech RS485 Cable to USB C RS422 Serial Adapter with FTDI Chip Breakout Board LED Indicators RS-485 RS-422 Converter Supports Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics](https://m.media-amazon.com/images/I/51klSpaBY8L._AC_UF350,350_QL80_.jpg)
Amazon.com: DTech RS485 Cable to USB C RS422 Serial Adapter with FTDI Chip Breakout Board LED Indicators RS-485 RS-422 Converter Supports Windows 11 10 8 7 XP Mac (1.5 Feet) : Electronics
![Amazon.com: StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) - black - DB92422 : Electronics Amazon.com: StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) - black - DB92422 : Electronics](https://m.media-amazon.com/images/I/41TiFS4kCJL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA21%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) - black - DB92422 : Electronics
![Amazon.com: Syba 2x Serial RS-232 RS-422 RS-485 DB9 Ports 34mm ExpressCard SD-EXP15010 : Electronics Amazon.com: Syba 2x Serial RS-232 RS-422 RS-485 DB9 Ports 34mm ExpressCard SD-EXP15010 : Electronics](https://m.media-amazon.com/images/I/41zvNZQ3XuL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Syba 2x Serial RS-232 RS-422 RS-485 DB9 Ports 34mm ExpressCard SD-EXP15010 : Electronics
![Amazon.com: USB to Serial RS232/UART TTL/RS485 DB9 Adapter Converter Module FTDI FT232BM/BL Controller Module Support Win7/XP/OS for Arduino : Electronics Amazon.com: USB to Serial RS232/UART TTL/RS485 DB9 Adapter Converter Module FTDI FT232BM/BL Controller Module Support Win7/XP/OS for Arduino : Electronics](https://m.media-amazon.com/images/I/61YIVRJ0f9S._AC_UF1000,1000_QL80_.jpg)
Amazon.com: USB to Serial RS232/UART TTL/RS485 DB9 Adapter Converter Module FTDI FT232BM/BL Controller Module Support Win7/XP/OS for Arduino : Electronics
![Amazon.com: USB 2.0 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303, : Electronics Amazon.com: USB 2.0 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303, : Electronics](https://m.media-amazon.com/images/I/41bRJOZ7uXL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: USB 2.0 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable, Prolific PL2303, : Electronics
![Amazon.com: StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) - black - DB92422 : Electronics Amazon.com: StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) - black - DB92422 : Electronics](https://m.media-amazon.com/images/I/81PUkIYrC0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com RS422 RS485 Serial DB9 to Terminal Block Adapter - Serial adapter - 5 pin terminal block to DB-9 (M) - black - DB92422 : Electronics
![Amazon.com: BUELEC DB9 Female and Male Connector in One Breakout Board,RS232/RS485/CAN/RS422 with DB9 Connector to Terminal Board Signal Module(2pcsDB9 Female/Male) : Electronics Amazon.com: BUELEC DB9 Female and Male Connector in One Breakout Board,RS232/RS485/CAN/RS422 with DB9 Connector to Terminal Board Signal Module(2pcsDB9 Female/Male) : Electronics](https://m.media-amazon.com/images/I/71Rz1DbmuFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BUELEC DB9 Female and Male Connector in One Breakout Board,RS232/RS485/CAN/RS422 with DB9 Connector to Terminal Board Signal Module(2pcsDB9 Female/Male) : Electronics
![Amazon.com: JUXINICE 1pack Connector DB9 Serial Adapter D-SUB 9-pin RS232 RS485 Adapter to Terminal Connector Signal Module with Bolts Nuts and Screwdriver (Female+ Metal Shell) : Electronics Amazon.com: JUXINICE 1pack Connector DB9 Serial Adapter D-SUB 9-pin RS232 RS485 Adapter to Terminal Connector Signal Module with Bolts Nuts and Screwdriver (Female+ Metal Shell) : Electronics](https://m.media-amazon.com/images/I/71LU7KYXYmS._AC_UF894,1000_QL80_.jpg)
Amazon.com: JUXINICE 1pack Connector DB9 Serial Adapter D-SUB 9-pin RS232 RS485 Adapter to Terminal Connector Signal Module with Bolts Nuts and Screwdriver (Female+ Metal Shell) : Electronics
![Amazon.com: JUXINICE RS232 to RS485 Adapter,RS232 Serial DB9 to RS485 bidirectional Conversion Adapter Integrated Shell-Black with Bolts Tail Pipes : Electronics Amazon.com: JUXINICE RS232 to RS485 Adapter,RS232 Serial DB9 to 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 Adapter,RS232 Serial DB9 to RS485 bidirectional Conversion Adapter Integrated Shell-Black with Bolts Tail Pipes : Electronics
![Amazon.com: DTech USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet : Electronics Amazon.com: DTech USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet : Electronics](https://m.media-amazon.com/images/I/61ZtMx16jOL.jpg)
Amazon.com: DTech USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 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 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: DTech USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet : Electronics Amazon.com: DTech USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet : Electronics](https://m.media-amazon.com/images/I/71oA0ufWBIL.jpg)
Amazon.com: DTech USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet : Electronics
![Amazon.com: DTech Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV : Electronics Amazon.com: DTech Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV : Electronics](https://m.media-amazon.com/images/I/61OmbI2NxnL.jpg)
Amazon.com: DTech Active Isolated RS232 to RS485 RS422 Converter with RJ45 Serial Port Terminal Board Power Adapter DB9 Cable Optical Isolation Protection 2.5kV : Electronics
![Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8 Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8](https://m.media-amazon.com/images/I/71BiMxseqPL.jpg)
Amazon.com: DTech USB to Serial Adapter, RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8
![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: JUXINICE Copper Wire Db9 Female to Female Cable 3ft Double Shielded with foil & Metal Braided,Gold Plated D-SUB 9 Pin RS232/RS485 Extension Serial Cable RS485 Cable-Black (Female to Female, 3.3FT 1M) : Amazon.com: JUXINICE Copper Wire Db9 Female to Female Cable 3ft Double Shielded with foil & Metal Braided,Gold Plated D-SUB 9 Pin RS232/RS485 Extension Serial Cable RS485 Cable-Black (Female to Female, 3.3FT 1M) :](https://m.media-amazon.com/images/I/61-BEWbOOML.jpg)
Amazon.com: JUXINICE Copper Wire Db9 Female to Female Cable 3ft Double Shielded with foil & Metal Braided,Gold Plated D-SUB 9 Pin RS232/RS485 Extension Serial Cable RS485 Cable-Black (Female to Female, 3.3FT 1M) :
![Amazon.com: USB to 485/422 Converter Serial Port Industrial Communication Module RS485 Nine pin Nine pin DB9 Adapter RS232 Interface Laptop Adapter 3M : Office Products Amazon.com: USB to 485/422 Converter Serial Port Industrial Communication Module RS485 Nine pin Nine pin DB9 Adapter RS232 Interface Laptop Adapter 3M : Office Products](https://m.media-amazon.com/images/I/3122ldmV0OS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: USB to 485/422 Converter Serial Port Industrial Communication Module RS485 Nine pin Nine pin DB9 Adapter RS232 Interface Laptop Adapter 3M : Office Products
![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: Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (6ft/1.8meter) : Electronics Amazon.com: Jeirdus USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Support Windows 10, 8, 7, XP and Mac with ESD Protection (6ft/1.8meter) : Electronics](https://m.media-amazon.com/images/I/41DwAK3-SYL.jpg)