Usb Adapter Rs232 Rs485 Rs422s of 2025
Best Choice1
StarTech.com22% OffStarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter - Industrial USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection, TAA
Main highlights- WIDELY COMPATIBLE: To connect industrial grade equipment to any terminal, the USB to multiple DB9 male serial converter supports current and legacy Windows, Linux, macOS, as well as embedded platforms
- RUGGED & RELIABLE: This industrial metal USB to serial adapter hub adds 8 RS-232/422/485 ports & 1 USB 2.0 port w/ 15kV ESD surge protection (level 4), IP30 rating & locking connectors on all ports
- MOUNTING OPTIONS: This metal mountable 8-port serial hub w/ 6ft (1.8 m) screw-lock USB cable incl. installs securely to a desk, wall or DIN rail using the built-in mounting ears & incl. DIN brackets
- FLEXIBLE POWER: This serial hub can be powered with either the 12V screw-locking power adapter or the 5V USB input, while each serial port (pin 9) can be set to 5V, 12V (power adapter required), or 0V
- 8 SERIAL PORTS: The ports on this USB to serial converter can be individually configured to RS232, RS422 or RS485 (2wire/4wire) at baud rates up to 921.6Kbps for devices like barcode scanners/printers
9.8Exceptional
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Value for Money2
StarTech.comSTARTECH.COM 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention
Main highlights- USB-powered; No additional external power adapter required
- Includes a bracket for wall mounting the USB to Serial adapter
- Features rugged screw-lock USB port to ensure cords are not accidentally disconnected
- Both ports can function simultaneously with mixed or matched communication protocols
- Backwards compatible with USB 1.1
9.7Exceptional
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3
DTechDTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
Main highlights- rs485 serial to usb converter is with high performance quality processor chip (FTDI-chipset FT232) and I/O auto conversion circuitry which makes RS 485 to USB convertor one of the most reliable dongle on the market
- USB to RS485/RS422 converter It easily lets you connect RS485 or RS422 device directly to your Laptop PC computer USB port (built with LED Troubleshooting Indicators)
- USB to RS485 cable adapter is Ideal for industrial environment -provides 600w surge protection and 15KV ESD isolated protection on signal pins to protect costly and often sensitive control equipment against electrical damage
- There are no IRQ and COM port conflicts, since the port do not require any additional IRQ, DMA, memory as resources on the system; RS485 for Half duplex and RS422 for Full duplex communication
- 1.5 ft serial RS-422 RS-485 to USB adapter cable supports windows 11 10 8 7, Mac and more; plug-and-play, No power supply needed
9.5Excellent
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4
DTechDTech 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 7 XP Mac (1.5ft)
Main highlights- Type A USB to serial adaptor cord with breakout connector is ideal for laptop computer, router, GPS, programming machine, printer, scanner, label writer, modem, digital camera, palm PC, LED INFO display equipment, controller CNC, PLC control, SCADA, etc
- RS232 RS485 serial to USB adapter supports multiple systems windows 11 10 8 7, Mac osx, Linux; plug and play, no power supply needed; 2 wire RS485 Half duplex (485A Positive, 485B Negative), and 4 wire RS422 Full duplex data communication
- High performance CP2102 chip and I/O auto conversion circuitry makes it a reliable serial RS232 to USB converter dongle; LED lights helps you check the connection status easily
- 3 protocols in 1 cable RS232 RS485 RS422: Multifunctional USB to serial adapter easily let you connect RS-232, RS-485 or RS-422 device directly to computer via USB port
- 1.5ft shielded RS485 R232 USB to serial cable is ideal for industrial environment - 600w surge protection to protect costly and often sensitive control equipment against electrical damage
9.2Excellent
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5
wavesharewaveshare FT232RNL USB to RS232/485/422/TTL Interface Converter, Industrial Isolation
Why we love it
Reliable and stable communication.
Easy installation and setup.
Robust protection features.
9.0Excellent
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6
DTECHDTECH 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)
Main highlights- USB to RS485/RS422 converter It easily lets you connect RS485 or RS422 device directly to your Laptop PC computer USB port
- USB to RS485 cable adapter is with high performance quality processor chip (FTDI-chipset FT232) and I/O auto conversion circuitry which makes RS 485 to USB convertor one of the most reliable dongle on the market
- There are no IRQ and COM port conflicts, since the port do not require any additional IRQ, DMA, memory as resources on the system; RS485 for Half duplex and RS422 for Full duplex communication
- RS485 Serial to USB adapter is ideal for industrial environment -provides 600w surge protection and 15KV ESD isolated protection on signal pins to protect costly and often sensitive control equipment against electrical damage
- 4ft USB serial RS-485 RS-422 adapter cable supports windows 11 10 8 7, Mac and more; plug-and-play, No power supply needed
8.9Very Good
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7
DTechDTECH RS232 to RS485 RS422 Serial Communication Data Converter Adapter Mini-Size
Main highlights- Unique serial charge pump drive technology, no external power supply, the real three-wire communication (TXD,RXD,GND). No need serial port initialization
- Supports baud rates up to 115.2 Kbps; Automatic sense serial signal rate
- Supports a maximum connection distance of 4000ft (1200m)
- Pro grade RS232 to RS485 / RS422 converter. It easily lets you connect any RS485 or RS422 device directly to COM port
- Best solution for the communication between serial port and RS485 or RS422 device
8.8Very Good
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8
JESSINIE19% OffJESSINIE FT2232HL Dual Channel UART USB Universal Serial Adapter FIFO SPI I2C JTAG RS232 RS422 RS485 Compatible with UHCI OHCI EHCI Host Controller
Main highlights- USB 2.0 High Speed (480Mbits/Second) and Full Speed (12Mbits/Second) compatible.
- The FT2232H USB to Serial Adapter Single chip USB to dual serial / parallel ports with a variety of configurations, Entire USB protocol handled on the chip. No USB specific firmware programming required.
- Single channel synchronous FIFO mode for transfers upto 40 Mbytes/Sec, CPU-style FIFO interface mode simplifies CPU interface design, MCU host bus emulation mode configuration option, Fast Opto-Isolated serial interface option.
- Independent Baud rate generators, RS232/RS422/RS485 UART Transfer Data Rate up to 12Mbaud. (RS232 Data Rate limited by external level shifter), USB to parallel FIFO transfer data rate up to 8 Mbyte/Sec.
- Dual Multi-Protocol Synchronous Serial Engine (MPSSE) to simplify synchronous serial protocol (USB to JTAG, I2C, SPI or bit-bang) design, Dual independent UART or FIFO or MPSSE ports.
8.7Very Good
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9
waveshareUSB to RS232/485/422/TTL Converter Adopt Original FT232RNL Chip, Industrial Isolated USB Converter with Multiple Protection, Support Multi Communication Interface Conversion and Multi System
Main highlights- USB to RS232/485/422/TTL Interface Converter, onboard original FT232RNL chip, supports multiple communication interface conversion: USB to RS232, USB to RS485, USB to RS422, USB to TTL, fast communication, stable & reliable, better compatibility
- Supports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, etc. multi system
- Safer isolated design, multiple protection, onboard unibody power supply isolation, unibody digital isolation, TVS (Transient Voltage Suppressor), self-recovery fuse and protection diodes etc.
- Onboard TTL serial 3.3V/5V voltage translator, config the TTL level via switch, 3 LEDs for indicating the power and transceiver status, high quality USB-B and RS232 connectors, smoothly plug/pull
- Aluminium alloy enclosure, supports wall-mount and rail-mount installations, solid and beautiful, easy to install
8.6Very Good
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10
BUELECBUELEC Industrial High Speed USB to RS232/RS485/RS422/TTL 4 in 1 Converter,Magnetic Isolated,Built-in 3000V Dual Isolation Power Module,Two-Way Independent Data Transmission,FT4232 Chipset
Main highlights- BUELEC USB Converter Support Windows,Linux,MAC,Android,Windows CE
- BUELEC USB Converter Power supply instructions,sending instructions,receiving instrutions
- BUELEC USB Converter Output interface Standard TTL, RS-232(Full-duplex),RS-485(Half-duplex),RS-422(Full-duplex)
- BUELEC USB Converter Isolation voltage Using ADI high performance magnetic decoupling isolation program
- BUELEC USB Converter Baud rate TTL(110~5Mbps),RS-232(110~1Mbps),RS-485/422(300~8Mbps),
Using ADI high performance magnetic decoupling isolation program
8.5Good
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