Db9 Rs485 Usbs of 2025
Best Choice1
StarTech.comStarTech.com 4 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 4 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 4-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
- 4 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
9.9Exceptional
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Value for Money2
StarTech.comStarTech.com 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation, TAA (ICUSB422IS)
Main highlights- Supports DB9 and terminal block connector
- RS422/485 Baud rate up to 921.6 Kbps
- RS-485 mode supports Auto Transceiver Turn Around (ATTA)
- Provides one RS422/485 port while powering the device through USB
- Compatible with both USB 2.0 and USB 1.1
9.7Exceptional
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3
UOTEKUOTEK 4.9Ft USB to RS485 RS422 RS232 Converter USB-A RS-232 RS-485 RS-422 Cable Serial DB9 Connector Full Half Duplex UT-8890
Main highlights- Working mode: 232 full duplex, asynchronous work, point-to-point or multi-point, 2-port half duplex, 4-port full duplex
- Transmission distance: RS-232 end 5 meters, USB port no more than 5 meters; RS-485/422 end 1200 meters (9600bps when), USB port no more than 5 meters
- Standard: Compliant with USBV.1, 1.0, 2.0 standard and ELA RS-485, RS-422S standard
- Interface protection: Surge protection, ±15KV electrostatic protection
- Direction control: Data flow direction automatic control technology, automatic control of data transmission direction
9.4Excellent
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4
JUXINICEDB9 Serial Cable RS232/RS485/RS422 Extension Cable, DB9 Male to Bare Wire Cable Marked 3 Foot, D-USB 9-pin Port Terminal Male Adapter Connector Distribution Board, No Soldering Required - Black
Main highlights- Multiple communication protocols：DB9 cable Straight-through wiring (i.e. pin 1 to pin 1) design per industry standards, Supports RS232/RS485/RS422 and other communication protocols. 9 Wires Core color : 1-black, 2-brown, 3-red, 4-orange, 5-yellow, 6-green, 7-blue, 8-gray, 9-white
- DB9 pin connector are copper core gold-plated, with good plug resistance and contact. DB9 bare wire adopts black PVC molded and injection molded shell
- DB9 male connector to bare wire ,Each wires end is equipped with red cold crimping terminals（Red copper material）and Clear Cable Marker for 1 to 9, which are firmly crimped and do not fall off , Easy to use
- DB9 connector is used for automatic control equipment, PLC controllers, touch screens, programmers, data converters, servo motors, automatic control equipment, industrial control equipment, cash register, tax control machine, computer, etc.
- DB9 Serial Cable wrapped with aluminum foil+high-density woven mesh to form double-layer shielding, with strong anti-interference ability. 9 wires cores are made of 26AWG tinned copper, OD 6.0mm.
9.1Excellent
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5
waveshareUSB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection
Main highlights- Transmission distance up to 1.2km--- The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300-921600bps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB.
- Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance.
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic.
- Multi system Support: Supports Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc.
- Industrial USB to RS485 bidirectional converter with original FT232RL and SP485EEN chip. Due to its stable communication, it is an ideal choice for industrial control equipments and/or applications with high communication requirement.
9.0Excellent
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6
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
8.8Very Good
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7
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
8.7Very Good
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8
Tripp LiteTripp Lite 4 Port USB to Serial Adapter, RS-422/RS-485, FTDI with COM Retention, USB-B to DB9 F/M (U208-004-IND)
Main highlights- Independent dip switches: the u208-004-ind’s Serial ports can be set to automatically detect an RS-422 or rs-485 device by adjusting their dip switch settings.
- Compatibility: the wall-mountable USB to Serial converter USB-powered, so no bulky or obtrusive external power supply is required. System requirements include Windows XP or later, Mac OS X 10.4 or later, Linux 2.6.31 or later or a computer with an available USB port. Perfect for activating surveillance cameras, access panels and other security equipment.
- 4-Port USB to Serial converter: this USB to Serial converter turns your computer's USB port into four DB9 ports capable of connecting RS-422 and RS-485 Serial devices, such as modems, handheld scanners and GPS systems. No external power source is needed.
8.6Very Good
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9
SystemBaseSystemBase - Made In Korea - USB to 1port R422 RS485 USB Serial Cable (USB to RS422 RS485 Adapter), USB 2.0, DB9 Male, Cable 1.96ft(0.6m) Latching USB Connector Applied (Multi-1/USB Combo)
Main highlights- ±15kV Surge protection
- USB to 1port Serial Adapter (RS422/485 to USB cable)
- USB 2.0(Full speed), Cable Length 1.96ft(0.6m)
- Display communication status via TX/RX LED
- Communication Speed up to 921.6kbps
8.5Good
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10
SystemBaseSystemBase - Made In Korea - USB to 2ports R422 RS485 USB Serial Cable (USB to RS422 RS485 Adapter), USB 2.0, DB9 Male, Cable 1.96ft(0.6m) Latching USB Connector Applied (Multi-2/USB Combo)
Main highlights- ±15kV Surge protection
- USB to 2ports Serial Adapter (RS422/485 to USB cable)
- USB 2.0(Full speed), Cable Length 1.96ft(0.6m)
- Display communication status via TX/RX LED
- Communication Speed up to 921.6kbps
8.4Good
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