UTN406 USB to RS-232 Signal Converter

RS232/422/485

Product Features

Chipset

1.1 / 2.0 / 3.0

System Support

Bi-Directional Data Transmission

Transfer Rate

Product Introduction

Product QA

File Download

Product Specifications

Chipset: Prolific
Solves the issue of newer computers and laptops lacking traditional RS-232 interfaces.
Provides 1 RS-232 port (D-sub 9-pin male/male connector).
Supports USB 1.1 specification (backward compatible with USB 2.0/3.0), with USB 1.1 transfer speeds up to 12Mbps.
RS-232 port supports a maximum data transfer rate of 230Kbps.
Supports hot-swappable devices and bi-directional data transmission.
Supports remote wake-up and power management.
Powered via USB, no external power adapter required.
Applications: Digital cameras, modems, ISDN-TA, barcode scanners, industrial testing instruments, Palm III/V, graphics tablets, POS (point-of-sale) systems, POS ordering systems, fingerprint recognition and security systems, industrial computers, LEGO robots, claw machine coin detection, and more.

Product Application

System Requirements

One Available USB Port
Operating System：Windows 98SE/Me/CE/2000/Server 2003/Server 2008/ Server 2012/XP/VISTA/7/8/8.1/10/11
MAC 8.6/9.x/10.x
Linux Redhat 7.3/8/9

Product List

UTN406 Unit x 1

Product warranty card x1

※The product specifications and accessories mentioned in the user manual are for reference only. Any changes will not be notified in advance. UPMOST reserves the right to modify product design, accessories, and drivers.

Q&A

How to Resolve the "Non-Wang Jiu Original PL2303, Please Contact Your Supplier" Message in Device Manager on Windows?

The "Non-Wang Jiu Original PL2303, Please Contact Your Supplier" message occurs because the driver was not installed correctly.

Troubleshooting Steps:

1.Uninstall and Delete Any PL-2303 Drivers

Please uninstall and remove any existing PL-2303 drivers from your computer.

2.Restart Your Computer

After uninstalling the drivers, restart your computer.

3.Download the Latest Driver

Click the link below to access [Related Downloads] and download the latest driver.

https://www.upmostgroup.com/tw/product/download/237/2285?type=227

4. After the download is complete, unzip the file and click on PL2303_Prolific_DriverInstaller_v1.8.0.exe to begin the installation.

How to Resolve the "This PL2303 Driver Does Not Support Windows 11 and Later Versions. Please Install the Correct Driver" Message After Updating Windows 11?

1. Click the Windows [Start] button, type [Device Manager], and press Enter.

2. Next, in Device Manager, locate the device showing the message "This PL2303 driver does not support Windows 11 and later versions, please install the correct driver."

3.Right-click on the device and select [Uninstall device].

4.Check the box for [Delete the driver software for this device], then click [Uninstall].

5. Finally, unplug and reconnect the device, and it should work properly.

※ If the issue persists after following the above steps, please restart your computer after [Uninstalling the device], and it should work properly.

※ In the future, if you update Windows 11 and the same message appears, simply repeat the above steps to resolve the issue.

File Download

Date

Type

Operating System

Description

File Download

2025.03.17

Driver

Details

Win 10 32-bit

Win 10 64-bit

Win 11 64-bit

13.1MB

ZIP

PL23XX_Prolific_DriverInstaller_v4300

2018.05.16

Product Catalog

Details

0.5MB

PDF

2022.11.04

Driver

Details

Win 7 32-bit

Win 7 64-bit

Win 8 32-bit

Win 8 64-bit

Win 10 32-bit

Win 10 64-bit

Win 11 64-bit

3.9MB

ZIP

for Window7_8_10_11 OS

v1.8.0

2021.12.07

Driver

Details

Win Server 2008 32-bit

Win Server 2008 64-bit

Win Server 2012 32-bit

Win Server 2012 64-bit

Win 7 32-bit

Win 7 64-bit

Win 8 32-bit

Win 8 64-bit

Win 8.1 32-bit

Win 8.1 64-bit

Win 10 32-bit

Win 10 64-bit

Win 11 64-bit

7.0MB

ZIP

for Windows

v3.8.18.0

2018.05.24

Driver

Details

Mac OS 10

6.9MB

ZIP

for Mac OS 10.9-10.13

v1.6.1

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goldennet

Product Specifications

Product Application

System Requirements

Product List