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Aten UC485-AT USB To RS-422/485 Adapter



The ATEN UC485 is a high quality industrial adapter cable designed to instantly add an RS-422/485 port to your PC or laptop via a USB port. The adapter is powered via the USB connection without needing an external power supply.

The UC485 adapter lets you use a single USB connection to create plug-and-play serial transfers without additional cables or complicated device installations. It lets you connect any RS-485 or RS-422 device to your computer's USB port, without experiencing computer lock-ups, I/O or driver problems. It is the ideal solution for connecting industrial devices such as laboratory machines, measuring equipment, automated systems, monitoring devices, and many more – where mission-critical applications are required.

Package Contents

  • 1x UC485 USB to RS-422/485 Adapter
  • 1x Terminal Adapter
  • 1x User Instructions


  • Converts a USB port to a Legacy RS-422 or RS-485 COM port
  • Fast COM Port Transmission – up to 921.6 Kbps
  • Package included DB-9 female to terminal block adapter for easy wiring
  • Supports Terminal / ECHO mode by mode selector
  • Supports Windows Vista / 7 and above, Mac and Linux
  • Plug-and-Play – no power supply needed





USB Port

1 x USB Type A Male (White)


1 x DB-9 Male (Silver)



Data Rate

Up to 921.6Kbps



Cable Length





Power Status / RS-422 (Orange), RS-485(Green)



Power Mode

Bus Powered



USB Specification

USB compliant





Operating Temperature


Storage Temperature



0–80% RH, Non-condensing



Physical Properties





0.09 kg ( 0.2 lb )

Dimensions (L x W x H)

9.53 x 4.10 x 2.20 cm


(3.75 x 1.61 x 0.87 in.)




For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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