# USB to RS422/RS485 Adapter ATEN UC485-AT

**URL:** https://aio.lv/en/product--aten-uc485-at--624747
**Data updated:** 2026-01-03 12:45 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** ATEN
**Manufacturer code:** UC485-AT
**EAN:** 4719264645914
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 53.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 44.62 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aten-uc485-at--624747

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The ATEN USB to RS422/RS485 Adapter (1.2M) allows for easy connection of RS422/RS485 devices to a USB port. With a cable length of 1.2 meters and a USB Type-A connector, it offers flexibility and convenience. The adapter is RoHS certified, ensuring it meets environmental standards. Weighing only 121g, it is lightweight and portable, making it ideal for various applications.

## Long description

The ATEN UC485 USB to RS422/RS485 Adapter (UC485-AT) is an industrial-grade cable adapter that adds an RS-422/RS-485 serial port to a PC or laptop via a USB Type-A connection. The adapter includes a DB-9 terminal interface and a removable terminal adapter for easy wiring. It is powered directly from the USB port and does not require an external power supply. The cable length is 1.2 meters, the unit is RoHS certified and weighs 0.121 kg.
Advantages
This ATEN USB to RS422/RS485 adapter provides plug-and-play connectivity for RS-422 and RS-485 devices using a standard USB Type-A port. Its compact, lightweight design with a 1.2 m cable simplifies installation and portability. The adapter draws power from the USB connection, eliminating the need for additional power adapters. The included terminal adapter and DB-9 connector support straightforward integration with industrial serial equipment.
Suitable for (tasks / use cases)
Connecting RS-422 or RS-485 industrial devices to a PC or laptop
Field service and diagnostic work with serial equipment
Integration of legacy serial instruments into modern USB-only systems
Factory automation and control system interfaces
Key specifications
Model: ATEN UC485-AT
Connectors: USB Type-A to DB-9 (with terminal adapter)
Cable length: 1.2 m
Weight: 0.121 kg
Colour: Black
Standards: RoHS certified
How to use
Connect the USB Type-A plug to an available USB port on your PC or laptop. Attach the DB-9 connector or the supplied terminal adapter to the RS-422/RS-485 device wiring as required by your installation. The adapter is powered via the USB port and typically requires no external power. Install any necessary drivers if your operating system does not automatically recognise the adapter, then configure the serial port settings (baud rate, parity, stop bits) in your communication software to match the connected device.
Usage recommendations
For reliable communication, verify grounding and wiring polarity for RS-422/RS-485 lines and use appropriate cable shielding in electrically noisy environments. Ensure correct serial parameters in your software and keep the cable length within recommended system limits for RS-422/RS-485 networks.

## Specifications

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 338 mm |
| Master (outer) case width | 315 mm |
| Master (outer) case gross weight | 8080 g |
| Master (outer) case length | 490 mm |
| Products per master (outer) case | 40 pc(s) |
| Master (outer) case net weight | 4840 g |
| Harmonized System (HS) code | 84733080 |

### Features

| Feature | Value |
|---|---|
| Cable length | 1.2 m |
| Product colour | Black |
| Connector 1 | USB Type-A |
| Connector 2 | DB-9 |
| Connector 1 form factor | Straight |
| Connector 2 form factor | Straight |
| Connector 1 gender | Male |
| Connector 2 gender | Male |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.121 kg |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 187 g |
| Package depth | 119 mm |
| Package height | 160 mm |
| Package width | 59 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

## FAQ

### How much does the USB to RS422/RS485 Adapter ATEN UC485-AT cost, and is it available for purchase?

The price is 53.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 34 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 23.07.2026 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: Cash payment, 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connector 2, connector 1, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for USB to RS422/RS485 Adapter ATEN UC485-AT?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/624747/56571453_large.webp