# Converter RS232-RS485 ROLINE 12.02.1028

**URL:** https://aio.lv/en/product--roline-12021028--1094217
**Data updated:** 2025-12-29 05:40 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** ROLINE
**Manufacturer code:** 12.02.1028
**EAN:** 7611990117161
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 71.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--roline-12021028--1094217

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The ROLINE RS232-RS485 Converter enables seamless communication between RS232 and RS485 devices. It features a compact grey design and is ideal for industrial applications. This converter does not include galvanic isolation, making it suitable for short-distance connections. It supports a wide range of baud rates and is easy to install, ensuring reliable data transmission in various environments.

## Long description

The ROLINE RS232-RS485 Converter (model 12.02.1028) provides a compact and robust solution to connect RS232 equipment to RS485 networks. Housed in a grey plastic casing, the converter supports full-duplex data transfer over four lines and converts only the data lines. It requires an external mains adapter (included) for power and is intended for short-distance, non-galvanically isolated connections in industrial or office environments.
Advantages
The converter supports adjustable DCE/DTE configuration and full duplex transfer across four lines, enabling flexible integration with various serial devices. A 25-pin socket on the RS232 side ensures compatibility with standard RS232 connectors while the robust plastic housing provides mechanical protection. The unit is supplied with a 9V DC, 300mA power adapter and manual for quick setup.
Suitable for
Connecting RS232 devices to RS485 networks in short-distance installations
Industrial control systems and automation equipment requiring full-duplex communication
Office equipment and legacy serial devices integration
Key specifications
Interface conversion: RS232 to RS485
Model: ROLINE 12.02.1028
Full duplex transfer over 4 lines
DCE/DTE adjustable
RS232 connector: 25-pin socket
Power supply: external mains adapter 9V DC, 300mA (included)
Product colour: Grey
Galvanic isolation: none (suitable for short-distance connections)
How to use
Connect the RS232 device to the 25-pin RS232 socket and wire the RS485 lines according to your network topology. Configure the converter for DCE or DTE as required by the connected equipment. Plug in the supplied 9V DC, 300mA adapter to power the unit. Verify signal direction and baud rate settings on both ends to ensure reliable full-duplex communication.
Usage recommendations
Use the converter for short-distance links and within the same ground potential since the device does not provide galvanic isolation. Ensure correct DCE/DTE setting and match baud rates for stable data transfer. Avoid harsh electrical environments or long cable runs where isolation would be necessary.

## Specifications

### Other features

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 19 x 75 x 54 |

### Features

| Feature | Value |
|---|---|
| Product colour | Grey |

## FAQ

### How much does the Converter RS232-RS485 ROLINE 12.02.1028 cost, and is it available for purchase?

The price is 86.99 € (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 15.07.2026 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. 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 ROLINE 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 ROLINE 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: 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 Converter RS232-RS485 ROLINE 12.02.1028?

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/1094217/64143572_large.webp