Updated: 17 Feb 2025

db9 rs485 usbs

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Updated: 17 Feb 2025

#1

Best Choice
StarTech.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

9.9

StarTech.com

-25%

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Main highlights

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

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

-25%
#2

Value for Money
StarTech.com 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation, TAA (ICUSB422IS)

9.7

StarTech.com

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Main highlights

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
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#3
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)

9.6

DTech

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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

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
#4
DB9 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

9.3

JUXINICE

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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 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 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.
#5
UOTEK 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

9.0

UOTEK

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Main highlights

Working mode: 232 full duplex, asynchronous work, point-to-point or multi-point, 2-port half duplex, 4-port full duplex

Standard: Compliant with USBV.1, 1.0, 2.0 standard and ELA RS-485, RS-422S standard

Direction control: Data flow direction automatic control technology, automatic control of data transmission direction
#6
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 7 XP Mac (1.5ft)

8.7

DTech

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Main highlights

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

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
#7
DTech USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux

8.4

DTech

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Main highlights

Portable female serial to USB adapter is with USB-Powered design requires no bulky power supply with superior performance, offering an easy connectivity for serial plug devices

Built as FTDI serial RS232 to USB cable for Windows 11, 10, 8, 7, Mac OS8 or higher, Linux 2.4.0 and later (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI)

(NOT USB to VGA cable) RS232 USB to DB9 female serial port cable allows you to connects a PC without serial port to a serial device because it adds a 9 pin port to laptop or desktop via USB port
#8
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet

8.2

DTech

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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
#9
Tripp Lite USB to RS485/RS422 FTDI Serial Adapter Cable, COM Retention, USB-A to DB9 M/M, Compatible with Windows, Mac and Linux, 30 in. (U209-30N-IND)

8.0

Tripp Lite

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Main highlights

SERIAL ADAPTER: This 30-inch USB to RS485 adapter cable turns your computer’s USB port into an RS422 or RS485 serial port and avoids the expense of upgrading your reliable serial devices.

HIGH SPEED & USB POWERED: Supports data transfer speeds up to 230 Kbps—double the speed of a built-in serial port. USB-powered, so no bulky or obtrusive external power supply is required.

COM RETENTION + FTDI CHIPSET: The hot-swappable USB to RS422 adapter with built-in FTDI chipset offers COM retention. Automatically reassigns COM values to each port to avoid additional configuration.
#10
Tripp Lite 2 Port USB to Serial Adapter, RS-422/RS-485, FTDI with COM Retention, USB-B to DB9 F/M (U208-002-IND)

7.9

Tripp Lite

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Main highlights

Independent dip switches: the u208-002-ind’s Serial ports can be set to automatically detect an RS-422 or rs-485 device by adjusting their dip switch settings.

Com retention: This USB to RS-485 adapter with built-in fetid Chipset offers COM retention. It automatically reassigns the same COM port values to each port, so when the cable is disconnected or the system is rebooted, no additional configuration is needed. The cable auto-detects and auto-switches RS-422 and RS-485 devices.

2-Port USB to Serial converter: this USB to Serial converter turns your computer's USB port into two 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.

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db9 rs485 usbs

StarTech.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

9.9

Main highlights

StarTech.com 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation, TAA (ICUSB422IS)

9.7

Main highlights

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)

9.6

Main highlights

DB9 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

9.3

Main highlights

UOTEK 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

9.0

Main highlights

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 7 XP Mac (1.5ft)

8.7

Main highlights

DTech USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux

8.4

Main highlights

DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet

8.2

Main highlights

Tripp Lite USB to RS485/RS422 FTDI Serial Adapter Cable, COM Retention, USB-A to DB9 M/M, Compatible with Windows, Mac and Linux, 30 in. (U209-30N-IND)

8.0

Main highlights

Tripp Lite 2 Port USB to Serial Adapter, RS-422/RS-485, FTDI with COM Retention, USB-B to DB9 F/M (U208-002-IND)

7.9

Main highlights

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