![Amazon.com: USB to RS485/RS232/TTL Converter Industrial Digital Isolated Converter with CH343G Inside, Multi-Protocol & Multi-Type Conversion, Support Windows 11/10/8.1/8/7 Linux Android Mac etc. : Electronics Amazon.com: USB to RS485/RS232/TTL Converter Industrial Digital Isolated Converter with CH343G Inside, Multi-Protocol & Multi-Type Conversion, Support Windows 11/10/8.1/8/7 Linux Android Mac etc. : Electronics](https://m.media-amazon.com/images/I/61FmisssUaL._AC_UF894,1000_QL80_.jpg)
Amazon.com: USB to RS485/RS232/TTL Converter Industrial Digital Isolated Converter with CH343G Inside, Multi-Protocol & Multi-Type Conversion, Support Windows 11/10/8.1/8/7 Linux Android Mac etc. : Electronics
![Amazon.com: JUXINICE 2PCS DB9 Male adapters,Gold Plated 9 PIN RS232 RS485 Breakout Connector to Wiring Terminal,No Soldering Needed DB9 Serial connectors with Bolts Nuts Tail Pipes and Screwdriver, Easy to use : Amazon.com: JUXINICE 2PCS DB9 Male adapters,Gold Plated 9 PIN RS232 RS485 Breakout Connector to Wiring Terminal,No Soldering Needed DB9 Serial connectors with Bolts Nuts Tail Pipes and Screwdriver, Easy to use :](https://m.media-amazon.com/images/I/61f5VWK2yPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: JUXINICE 2PCS DB9 Male adapters,Gold Plated 9 PIN RS232 RS485 Breakout Connector to Wiring Terminal,No Soldering Needed DB9 Serial connectors with Bolts Nuts Tail Pipes and Screwdriver, Easy to use :
![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: 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/519egkzNqDL._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: 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_.jpg)
Amazon.com: DTech RS232 to RS485 Converter Serial Communication Data Adapter with TX RX LED Indicators and Terminal Board : Electronics
![Amazon.com: Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments : Electronics Amazon.com: Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments : Electronics](https://m.media-amazon.com/images/I/41I8tps-TiL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA139%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments : 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 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)
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: 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: Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments : Electronics Amazon.com: Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments : Electronics](https://m.media-amazon.com/images/I/61gPi2PJddL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Waveshare USB to RS232 / RS485 / TTL Industrial Isolated Converter with Original FT232RL Embedded Protection Circuits and Aluminium Alloy Enclosure for Industrial Control Equipments : Electronics
![Amazon.com: OLYCOM One Pair Serial to Fiber Converter RS232 RS485 RS422 Optic Modem 1310nm SC Connector Dual Fiber for PC Hub Switch : Electronics Amazon.com: OLYCOM One Pair Serial to Fiber Converter RS232 RS485 RS422 Optic Modem 1310nm SC Connector Dual Fiber for PC Hub Switch : Electronics](https://m.media-amazon.com/images/I/61n5SSyKj9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: OLYCOM One Pair Serial to Fiber Converter RS232 RS485 RS422 Optic Modem 1310nm SC Connector Dual Fiber for PC Hub Switch : Electronics
![Amazon.com: Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server(USR-W610) : Electronics Amazon.com: Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server(USR-W610) : Electronics](https://m.media-amazon.com/images/I/61IpOxS+2IL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server(USR-W610) : 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._AC_UF1000,1000_QL80_.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: 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: Coolwell Waveshare RS485 to Ethernet Converter Industrial RS232/ RS485 to RJ45 Converer Dual Serial Ports Bi-Directional Rransparent Data Transmission : Electronics Amazon.com: Coolwell Waveshare RS485 to Ethernet Converter Industrial RS232/ RS485 to RJ45 Converer Dual Serial Ports Bi-Directional Rransparent Data Transmission : Electronics](https://m.media-amazon.com/images/I/51i+65+1LRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Coolwell Waveshare RS485 to Ethernet Converter Industrial RS232/ RS485 to RJ45 Converer Dual Serial Ports Bi-Directional Rransparent Data Transmission : 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.jpg)
Amazon.com: DTECH RS232 to RS485 / RS422 Serial Communication Data Converter Adapter Mini-Size : Electronics
![Amazon.com: UOTEK RS232 RS485 to Fiber Optical Converter, RS232 RS485/422 to Fiber Optics Industrial Grade RS232/485/422 to Optical Fiber Modem SC (UT-277SM-SC) : Electronics Amazon.com: UOTEK RS232 RS485 to Fiber Optical Converter, RS232 RS485/422 to Fiber Optics Industrial Grade RS232/485/422 to Optical Fiber Modem SC (UT-277SM-SC) : Electronics](https://m.media-amazon.com/images/I/61fUGKAXEhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: UOTEK RS232 RS485 to Fiber Optical Converter, RS232 RS485/422 to Fiber Optics Industrial Grade RS232/485/422 to Optical Fiber Modem SC (UT-277SM-SC) : Electronics
![Amazon.com: LFHUKEJI RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter(Passive) : Electronics Amazon.com: LFHUKEJI RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter(Passive) : Electronics](https://m.media-amazon.com/images/I/51d+zewzrIL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LFHUKEJI RS232 to RS485, RS-232 Female to RS-485/RS-422 485/422 Female Adapter Converter(Passive) : 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: 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/41HivPwXoSL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA19%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.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: 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 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._AC_UF894,1000_QL80_.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: 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: ARAIERD 4 Port Serial Device Server RS232 RS485 to Ethernet TCP/IP Converter 400Mhz Ethernet Serial Adapter with DC 12V Power Adapter Support Modbus Gateway for Industrial Automation : Electronics Amazon.com: ARAIERD 4 Port Serial Device Server RS232 RS485 to Ethernet TCP/IP Converter 400Mhz Ethernet Serial Adapter with DC 12V Power Adapter Support Modbus Gateway for Industrial Automation : Electronics](https://m.media-amazon.com/images/I/51de1ULCX0L._AC_UF894,1000_QL80_.jpg)
Amazon.com: ARAIERD 4 Port Serial Device Server RS232 RS485 to Ethernet TCP/IP Converter 400Mhz Ethernet Serial Adapter with DC 12V Power Adapter Support Modbus Gateway for Industrial Automation : 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_UF1000,1000_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: 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)