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Black USB Type-A to DB-9 serial adapter cable with mode selector, 3.94 ft

ATEN

ATEN UC485 USB to RS-422/485 Serial Adapter Cable 3.94 ft 921.6 kbit/s

SKU CH-1X7P-6W399 MPN UC485

Connects notebooks, cameras or alarms via USB 2.0 to RS-422/485 serial devices at 921.6 kbit/s over a 3.94 ft cable

  • Compatible phone brandsNotebook Camera Alarm
  • Compatible phone modelsNotebook Camera Alarm
  • Adapter connectorUSB
  • Product typeData Transfer Cable
  • Connect notebooks, cameras or alarms via a 3.94 ft USB 2.0 Type A to DB-9 cable
  • Select RS-422 or RS-485 mode with the built-in switch for flexible serial communication
  • Achieve up to 921.6 kbit/s data transfer for reliable device control
  • Lightweight 0.20 lb design with WEEE and RoHS certification for eco-friendly operation
  • Includes terminal adapter and user instructions for immediate setup

USB-to-serial adapter for industrial devices

The ATEN UC485 connects notebooks, cameras or alarm panels to RS-422/485 networks through a standard USB 2.0 port. It ships with a DB-9 male connector and a terminal adapter so installers can wire directly to screw terminals. The 3.94 ft black cable keeps the link tidy inside cabinets or on test benches. Environmentally certified to WEEE and RoHS standards.

Mode selector sets RS-422 or RS-485 operation

A hardware switch on the adapter chooses between the two serial modes without driver changes. The link supports data rates up to 921.6 kbit/s for fast telemetry or configuration tasks. Both endpoints are male — Type A USB on the host side and DB-9 on the field side. One pack contains the adapter, terminal block and user instructions.

Low-power draw suits laptop and embedded use

The adapter draws bus power only, adding roughly 0.20 lb to the cable run. No external supply or cooling is required during continuous operation. The compact moulded shell fits alongside other USB ports without blocking adjacent sockets. Compliance markings confirm lead-free construction and WEEE registration.

How it compares

Measured against everything we stock in Charging Stations & Cables, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 77% of the 9,983 comparable items (median $18.99).

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Specifications

Product
Brand nameATE
Product typeData Transfer Cable
Ports & slots
Adapter connectorUSB
Size & build
Shipping weight0.45 kg
Package size160 × 119 × 61 mm
Compatibility
Compatible phone brandsNotebook Camera Alarm
Compatible phone modelsNotebook Camera Alarm

Questions about this item

What does the 921.6 kbit/s rate mean for a real notebook connection?

The adapter supports up to 921.6 kbit/s serial throughput, so a notebook can communicate with RS-422 or RS-485 equipment at that speed when the driver and application are configured accordingly.

How does the USB 2.0 Type-A interface limit the adapter in practice?

The USB 2.0 Type-A plug provides the power and data path; the serial side is capped at 921.6 kbit/s, so the USB bus is not the bottleneck.

What clearance does the 3.94 ft cable and DB-9 connector need to fit?

The cable is 3.94 ft long and ends in a standard 9-pin DB-9 male connector, so allow enough depth for the connector body plus strain relief behind the equipment panel.

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