# USB 2.0 to RS422/485 Adapter ROLINE 12.02.1004

**URL:** https://aio.lv/en/product--roline-12021004--1082817
**Data updated:** 2025-12-29 05:36 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** ROLINE
**Manufacturer code:** 12.02.1004
**EAN:** 7611990194841
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 168.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 139.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--roline-12021004--1082817

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The ROLINE USB 2.0 to RS422/485 Adapter provides reliable communication between USB and RS422/485 devices. It features isolation for enhanced safety and is designed for DIN rail mounting, making it ideal for industrial applications. The adapter supports a wide range of baud rates and is compatible with various operating systems, ensuring versatility and ease of use.

## Long description

ROLINE USB 2.0 to RS422/485 Adapter ROLINE 12.02.1004 converts a USB port into an isolated RS422/RS485 serial interface for reliable connection of serial devices to a PC. The adapter supports asynchronous serial communication, offers 3000 VDC optical isolation and is designed for DIN rail mounting. It includes a 5‑pin terminal block and a Mini USB type B connector, and comes with a USB cable, driver CD and manual.
Advantages
The adapter provides optical isolation to protect equipment and reduce interference, supports data transfer rates up to 115 Kbit/s and offers 15 KV ESD protection plus surge protection for RS‑422/485 signals. DIP switches allow configuring terminal resistance and echo mode, while status LEDs indicate link and activity. Power is supplied via the Mini USB type B connector and the unit is compatible with USB 2.0/1.1/1.0 and a range of Windows operating systems.
Suitable for
Connecting RS422 or RS485 industrial devices to a PC via USB
DIN rail installations in control cabinets and automation racks
Applications requiring electrical isolation between PC and serial equipment
Environments where ESD and surge protection are needed
Key specifications
Model: ROLINE 12.02.1004
Interface: USB 2.0 (compatible with USB 1.1 / 1.0)
Serial modes: RS‑422 / RS‑485, asynchronous serial communication
Isolation: 3000 VDC (optical)
Data rate: up to 115 Kbit/s
Connectors: 5‑pin terminal block (TX+, TX-, RX+, RX-, SGND), 1× Mini USB type B
Protection: 15 KV ESD protection on signals, RS‑422/485 surge protection
Settings: Terminal resistance and Echo mode via DIP switches
Indicators: Status LEDs
Mounting: DIN rail
Power: via Mini USB type B (54 mA)
Contents: Converter, USB cable, driver CD, manual
How to use
Mount the adapter on a DIN rail and connect the PC using the supplied Mini USB type B cable. Install the appropriate driver from the included CD or download the up‑to‑date driver for your Windows version. Wire the serial device to the 5‑pin terminal block following the signal labeling (TX+, TX-, RX+, RX-, SGND). Configure terminal resistance and Echo mode with the DIP switches as required by the connected device and set the serial parameters (baud rate up to 115 Kbit/s, parity, data bits, stop bits) in the host application.
Usage recommendations
For reliable communication in industrial environments, keep USB cable runs under recommended lengths, ensure correct wiring of differential pairs, and verify DIP switch settings for line termination and echo control. Use the provided surge and ESD protection features to reduce risk in electrically noisy installations.

## Specifications

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

## FAQ

### How much does the USB 2.0 to RS422/485 Adapter ROLINE 12.02.1004 cost, and is it available for purchase?

The price is 168.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 68 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 08.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can USB 2.0 to RS422/485 Adapter ROLINE 12.02.1004 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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.

## Image

https://aio.lv/img/cache/product/1082817/64136375_large.webp