# Industrial Converter RS232 ROLINE 21.13.1140

**URL:** https://aio.lv/en/product--roline-21131140--1094239
**Data updated:** 2026-01-30 13:35 (EET)
**Category:** Network Media Converters
**Manufacturer:** ROLINE
**Manufacturer code:** 21.13.1140
**EAN:** 7611990176632
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 257.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 212.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--roline-21131140--1094239

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The ROLINE Industrial Converter RS232 to Multimode Optical Fiber enables reliable data transmission over long distances. It features ST connectors and supports various baud rates, ensuring compatibility with a wide range of devices. This converter is ideal for industrial applications where robust communication is essential. Its compact design and ease of installation make it a practical choice for enhancing network connectivity.

## Long description

The ROLINE Industrial Converter RS232 to Multimode Optical Fiber provides a reliable link between two RS-232 serial devices using multimode fiber. It offers transparent conversion of RS-232 data and all control signals, supports all standard baud rates without user configuration, and uses ST fiber connectors for consistent optical connections. The converter is designed for industrial installation with a compact, fanless metal housing and DIN-rail mounting.
Advantages
The device protects RS-232 lines with surge, ESD and isolation measures, supports a wide input voltage range and wide operating temperature, and delivers industrial-level emission and immunity performance. Its terminal block and DC plug power connector options and rugged construction make it suitable for cabinet or enclosure mounting in industrial environments.
Suitable for
Extending RS-232 connections over long distances via multimode fiber
Industrial cabinets and control enclosures with DIN-rail mounting
Applications requiring protection against surges and ESD on serial lines
Environments with wide temperature or variable power input
Key specifications
Signal type: RS-232 transparent conversion (data and control signals)
Optical interface: Multimode fiber with ST connectors
Baud rate: Supports all RS-232 standard baud rates without configuration
Power input: 7–30 V DC, maximum power consumption 2.4 W
Power connectors: Terminal block and DC plug (6.3 mm/2.0 mm)
Operating temperature: -20 °C to +70 °C
Housing: Fanless rugged metal enclosure with DIN-rail mount
How to use
Mount the converter on a DIN rail inside the cabinet or enclosure, connect RS-232 devices to the serial port, and attach multimode fiber cables to the ST connectors. Provide power using a compatible 7–30 V DC supply through the terminal block or DC plug. The unit automatically handles baud rates and RS-232 control signals, so no configuration is required for standard operation.
Usage recommendations
For reliable operation in industrial installations, use a DIN-rail power supply within the specified voltage range and follow proper fiber handling procedures. Ensure grounding and cable routing minimize exposure to strong EMI sources and verify fiber connector cleanliness before connection.

## FAQ

### How much does the Industrial Converter RS232 ROLINE 21.13.1140 cost, and is it available for purchase?

The price is 257.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 29 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 14.07.2026 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

## Image

https://aio.lv/img/cache/product/1094239/64143623_large.webp