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4 Oct, 2025
Shop›USB Cables & Adapters›StarTech.com 6ft (1.8m) 1-Port Professional RS422/485 USB Serial Cable Adapter with COM Retention, USB to RS422 Adapter - TAA
StarTech.com 6ft (1.8m) 1-Port Professional RS422/485 USB Serial Cable Adapter with COM Retention, USB to RS422 Adapter - TAA
£54.71
£65.65 inc. VAT
Low Stock(37)MPN: ICUSB422
🚚 Next-day delivery £4.95
Quantity:1
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Key Features
StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention (ICUSB422)
Serial adapter
USB
RS-422/485
Product Overview
AI-generated summary
StarTech’s 6ft USB-to-RS422/485 adapter is the kind of “just get it working” tool that’s genuinely useful in a UK workshop or small IT estate—especially if you need COM port retention so legacy software keeps behaving. The RS422/485 angle matters because this isn’t for casual USB-to-serial gadgetry; it’s aimed at industrial gear, PLCs, panels, and serial devices where signal robustness and predictable port mapping actually save time during commissioning.
At ~£54 ex‑VAT, I think it’s good value *if* you specifically need an RS422/485 interface in the first place and you don’t want to fight drivers or reconfigure old apps every time. It’s ideal for technicians doing occasional device integration, or for businesses with a handful of serial endpoints who want a reliable adapter rather than betting on cheaper no-name alternatives. The only real “why not” is if you’re doing high-volume throughput or need something more integrated—this is a cable adapter, not a full industrial gateway—and if you only need basic RS232, you’ll likely be paying for capabilities you don’t use. Also, make sure your device truly expects RS422/485 signalling; if the protocol/termination isn’t right, no adapter will save you.
Specifications
Ports & interfaces
Connector 1DB9 M
Connector 2USB-A FM
Connector 1 genderMale connector
Connector 2 genderFemale connector
Connector 1 form factorStraight
Performance
Product colourBlack
Compatible operating systemsWindows CE (4.2, 5.0, 6.0), XP Embedded, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10, 11
Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
macOS 10.6 to 10.15, 11.0, 12.0, 13.0
Linux Kernel 3.0.x+
Weight & dimensions
Weight100 g
Packaging data
Package width40 mm
Package depth230 mm
Package height160 mm
Package weight220 g
Other features
Minimum system requirementsWin 98SE/ ME/ 2000/ XP(32/64bit)/ 2003(32/64bit)/ Vista(32/64bit)/ 2008(32/64bit)/ CE(4.2/5.2/6.0)
Mac 9.8/OS X
Linux 2.4.x +
Dimensions (WxDxH)41.5 x 1778 x 22.1 mm
Logistics data
Products per master (outer) case30 pc(s)
Master (outer) case width430 mm
Master (outer) case length500 mm
Master (outer) case height260 mm
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