USB to RS-232 Adapter (1 m)
UC232A1
- Supports RS-232 serial interface
- Proven performance in anti-electromagnetic interference (anti-EMI) capability for stable transmission performance
- Full compliance with USB specifications
- A trustworthy connectivity solution recommended and adopted by leading enterprises worldwide
Multi-System Support
The UC232A1 is compatible with multiple operating systems, such as macOS, Linux, and Windows 7/8/10.
Stable Performance, Fast Transmission
The UC232A1 offers USB 2.0 connectivity and is equipped with a robust cable that ensures proven anti-EMI performance for reliable signal transmission at speeds of up to 921.6 Kbps baud rate.
Broadly Compatible with Serial Devices
The UC232A1 allows your PC or laptop to control and communicate with various RS232 serial devices such as modem, network switch, PLC controller, printer, scanner, POS and so on.
Product Comparison
The UC232 lineup is well-suited for a variety of applications including industrial automation, IT networking, and control systems.
*Notes: Models equipped with FTDI chip provide better signal transmission with legacy Windows OS.
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Package Contents
- 1x USB-to-Serial Converter
- 1x User Instructions
The UC232A series USB-to-RS232 serial port converter is the ideal accessory for laptop and desktop computers that do not have a COM or DB9 serial port. Supporting both PC and Mac systems with baud rates up to 921.6 Kbps for rapid performance, it offers a convenient connectivity solution for industrial automation systems, scientific instruments, point of sale systems, and other specialized industrial and consumer applications.
The UC232A now supports mobile devices as a computing host (Android 3.2 and above). The UC232A SDK is available for download in the Support and Downloads section. To download the mobile demo app from the Google Play store, please click on or scan this QRCode.
NOTICE
If your Linux kernel is between v2.6.15 ~ v5.4 and your device has a new chipset version, please update the Linux driver
Note: This driver works with 2021 or later chipset version device only.
Use the link below to identify which chipset version your device is
https://eservice.aten.com/eServiceCx/Common/FAQ/view.do?id=18695
- Supports RS-232 serial interface
- Proven performance in anti-electromagnetic interference (anti-EMI) capability for stable transmission performance
- Full compliance with USB specifications
- Up to 921.6 Kbps data transfer rate
- OS Compatibility: Windows, Mac, and Linux
- Works with cellular phones, PDAs, digital cameras, modems, and ISDN terminal adapters
- A trustworthy connectivity solution recommended and adopted by leading enterprises worldwide
User Manual
| File Name | Release Date |
| uc232a-uc232a1-uc232af-user-manual-w.pdf (976.69 KB) | 2025-05-02 |
Quick Start Guide
UC232A-UC232A1-UC232AF-USB to RS-232 Adapter-qsg.pdf (2.58 MB)CAD Drawing
UC232A_A1-ASM-V01_WEB-20180517.pdf (43.03 KB)Software & Drivers
| ОS | Description | Ver. | Release Date | File Name |
| Android Software | ||||
| Android | Android 3.2 to 14 | v1.1.101 | 2025-07-01 | uc232-series-android-sdk-v1.1.101.zip |
| Android | Android 3.2 | v1.0.061 | 2016-03-28 | uc232a_android_aten_sdk_v1.0.061.zip |
| Linux Software & Driver | ||||
| Linux | v3.0 | 2022-08-05 | uc232a_linux_GC_v3.0.zip | |
| Linux | v2.1 | 2006-12-20 | uc_232a_linux.zip | |
| Linux (Red-Hat 7.3) | v1.1 | 2005-01-14 | UC-232A_redhat_7.3.zip | |
| Linux (Red-Hat 8) | v1.1 | 2005-01-14 | UC-232A_redhat_8.zip | |
| Linux (Red-Hat 9) | v1.1 | 2005-01-14 | UC-232A_redhat_9.zip | |
| Mac Software | ||||
| MacOS | Support Mac OS 15.0.2 | v2.2.5 | 2025-07-01 | uc232a-mac-setup-v2.2.5.zip |
| MacOS | Support macOS 13.2.1 | v1.8.0 | 2023-07-31 | uc232a_mac_setup_v1.8.0.zip |
| MacOS | Mac OSX 11 Big Sur | v1.7.0 | 2021-08-19 | uc232a_mac_setup_v1.7.0.zip |
| MacOS | Mac OS X 10.13 | v1.6.4 | 2018-10-31 | uc232a_mac_setup_v1.6.4.zip |
| MacOS | Mac OS X 10.10 | v1.6.1 | 2015-05-13 | uc232a_mac_setup_v1.6.1.zip |
| MacOS | Mac OS X 10.6_10.7_10.8_10.9 | v1.5.3 | 2014-10-16 | uc232a_mac_os_x_10.6_10.7_10.8_10.9.zip |
| MacOS | MacOS 10.4 Driver | v1.0 | 2007-05-18 | uc232a_mac10.4.zip |
| MacOS | Mac OS 8.6 / Mac OS 9.x | v1.2 | 2005-01-14 | UC-232A_mac8.6_9.hqx |
| MacOS X | v1.2 | 2005-01-14 | UC-232A_macX.zip | |
| Windows Legacy Software & Driver | ||||
| Windows 7, Windows 11, Windows 2008 R2, Windows 2016, Windows 2012 R2, Windows 10, Windows 8.1, Windows 8, Windows Vista, Windows XP | 32 bits / 64 bits | v1.1.102 | 2023-10-20 | uc232a-windows-setup-v1.1.102.zip |
| Windows 7, Windows 2008 R2, Windows 2016, Windows 2012 R2, Windows 8.1, Windows 8, Windows Vista, Windows 10 | 32 bits / 64 bits | v1.0.087 | 2021-08-06 | uc232a_windows_setup_v1.0.087.zip |
| Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 2012 R2, Windows 2016, Windows 2008 R2 | 32 bits / 64 bits | v1.0.086 | 2021-03-09 | uc232a_windows_setup_v1.0.086.zip |
| Windows 2008 R2, Windows 2016, Windows 2012 R2, Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista | 32 bits / 64 bits | v1.0.085 | 2020-10-20 | uc232a_windows_setup_v1.0.085.zip |
| Windows XP, Windows 2008 R2, Windows 2016, Windows 2012 R2, Windows 10, Windows 8, Windows 7, Windows Vista, Windows 8.1 | 32 bits / 64 bits | v1.0.084 | 2018-05-23 | uc232a_windows_setup_v1.0.084.zip |
| Windows Vista, Windows 2008 R2, Windows 2016, Windows 2012 R2, Windows 10, Windows 8.1, Windows 8, Windows 7, Windows XP | 32 bits / 64 bits | v1.0.083 | 2017-09-21 | uc232a_windows_setup_v1.0.083.zip |
| Windows 10, Windows 2008 R2, Windows 2012 R2, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP | 32 bits / 64 bits | v1.0.082 | 2016-01-27 | uc232a_windows_setup_v1.0.082.zip |
| Windows 8, Windows 2008 R2, Windows 2012 R2, Windows 8.1, Windows 7, Windows Vista, Windows XP | 32 bits / 64 bits | v1.0.081 | 2015-05-13 | uc232a_windows_setup_v1.0.081.zip |
| Windows XP, Windows Vista, Windows 7, Windows 8 | 32 bits / 64 bits | v1.0.079 | 2015-02-26 | uc232a_windows_setup_v1.0.079.zip |
| Windows XP, Windows 8, Windows 7, Windows Vista | 32 bits / 64 bits | v1.0.078 | 2013-06-21 | uc232a_windows_setup_v1.0.078.zip |
| Windows XP, Windows Vista, Windows 7 | 32 bits / 64 bits | v1.0.075 | 2011-03-30 | uc232a_win7_xp_vista_v1.0.075.zip |
| Windows Legacy Software & Driver - Legacy | ||||
| Windows 2000, Windows 98, Windows ME | 32 bits | v2.1 | 2006-12-20 | uc_232a_win.zip |
| Windows 95 | v1.3 | 2005-11-14 | UC-232A_win95.zip | |
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