# ATEN USB to RS232 Converter ku31-232 with 1.8 m cable and USB-C connector

**URL:** https://aio.lv/en/product--aten-ku31-232--3573627
**Data updated:** 2025-12-29 13:32 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** ATEN
**Manufacturer code:** ku31-232
**EAN:** 8592220013868
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 21.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aten-ku31-232--3573627

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

ATEN ku31-232 is a USB to RS232 converter with a 1.8 m integrated cable terminated in a USB-C connector. Designed to connect devices with RS232 serial ports to modern USB-C hosts, it supports serial communication for peripherals such as modems, industrial controllers, POS terminals and legacy equipment. The compact converter simplifies integration and provides a reliable wired connection for data transfer and device management.

## Long description

ATEN ku31-232 is a USB to RS-232 converter with an integrated 1.8 m cable and a USB-C connector. It enables connection of devices that use an RS-232 serial port to modern hosts with USB-C, providing a wired serial interface for tasks such as device programming, firmware upgrades and data communication with legacy equipment.
Advantages
The converter supports data rates up to 1 Mbps and is built around an FTDI FT232RL chipset, ensuring broad driver support and stable serial communication. It includes drivers (CD) for legacy systems, does not require IRQ configuration, and features a 9-pin D-sub (Canon) male connector. The integrated 1.8 m cable and compact design simplify installation with laptops and newer devices that have USB-C ports.
Suitable for
Connecting modems and serial printers to USB-C hosts
Programming and firmware updates of embedded devices
Connecting POS terminals, barcode readers and legacy PDAs
Industrial controllers and serial equipment integration
Key specifications
Interface: USB-C (host) to RS-232 (9-pin D-sub male)
Cable length: 1.80 m (integrated)
Chipset: FTDI FT232RL
Maximum data rate: up to 1 Mbps
Operating system support: Windows 98/ME/2000/XP/Vista/7/8/10 and macOS
Color: black
How to use
Connect the USB-C end of the ATEN ku31-232 to the host device. Attach the 9-pin D-sub male connector to the RS-232 serial port of the peripheral. Install drivers provided on the included CD or download the latest FTDI drivers from the FTDI website if required. After driver installation the serial port will appear to the host as a standard COM port for use with terminal software, programming tools or communication applications.
Usage recommendations
For reliable operation, ensure correct COM port settings (baud rate, parity, data bits and stop bits) that match the connected device. If using modern operating systems, download updated FTDI drivers from the manufacturer rather than relying on legacy CD media.

## FAQ

### How much does the ATEN USB to RS232 Converter ku31-232 cost, and is it available for purchase?

The price is 25.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ATEN products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ATEN service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3573627/51272599_large.webp