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Compact USB to RS-232 converter with isolation, USB-B female and 5.08 terminal block connectors

UOTEK

UOTEK UT-8102 USB to RS-232 Data Converter with Isolation

SKU CH-B6PQ-Y3QJC

Converts USB to two RS-232 ports with isolation, auto baud detection up to 115200bps and 3000A lightning protection on the serial side

  • First connectorUSB-B female
  • Second connector5.08 terminal block
  • Product typeConverter
  • Isolated RS-232 port withstands 8/20us 3000A lightning surges
  • Auto-detect baud rate from 300 to 115200bps with no driver setup
  • Operates from -40 to 85 °C at 5 to 95 % humidity
  • USB 1.1 and 2.0 compatible across Windows, Mac, Linux and CE
  • 08 mm terminal block gives secure screw-down wiring for industrial use

Industrial USB to RS-232 converter with isolation

The UT-8102 adds two RS-232 ports to any computer with a USB 1.1 or 2.0 port, using a USB-B female connector and 5.08 terminal blocks for wiring. It targets engineers and technicians who must link modern PCs to legacy PLCs, meters or industrial controllers that still rely on serial communication. The adapter works across Windows, Mac, Linux and Windows CE without extra drivers in most cases.

Isolation and auto-direction protect equipment

Optical isolation on the RS-232 side and 8/20 µs 3000 A lightning protection shield the host from ground loops and transient spikes common in factory environments. Automatic data-flow direction control removes the need for manual RTS/CTS toggling, while baud-rate auto-detection from 300 to 115200 bps lets the link adapt to whatever speed the remote device expects.

Terminal blocks and wide temperature range suit

Screw-terminal blocks accept twisted-pair or shielded cable directly, so no DB-9 gender changers or soldering are required inside panels. The unit operates from -40 to 85 °C at 5 to 95 % relative humidity, making it viable for outdoor enclosures or unheated plant floors where consumer-grade dongles would fail.

How it compares

Measured against everything we stock in Serial & Protocol Converters, at today’s prices. Recalculated every night.

Price $40.99
Pricier than about 71% of the 121 comparable items (median $19.99).

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Specifications

Product
Brand nameUOTEK
Model nameUT-8102
Product typeConverter
Ports & slots
First connectorUSB-B female
Second connector5.08 terminal block

Questions about this item

Will the 5.08 terminal block screws need periodic re-tightening?

The terminal block uses screw-down contacts that hold wires firmly; no scheduled tightening is required.

What limits the baud rate during continuous operation?

The converter auto-detects serial signals up to 115200 bps, and this ceiling is the first limit reached under sustained use.

How much heat does the adapter produce when running all day?

It operates from -40 to 85 °C with no fan, so heat output stays low enough for passive cooling in an enclosure.

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