# Fast Ethernet Converter ROLINE RC-100FX/ST

**URL:** https://aio.lv/en/product--roline-21131070--430863
**Data updated:** 2025-12-28 21:18 (EET)
**Category:** Network Media Converters
**Manufacturer:** ROLINE
**Manufacturer code:** 21.13.1070
**EAN:** 7611990167753
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 112.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 92.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--roline-21131070--430863

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The ROLINE RC-100FX/ST Fast Ethernet Converter allows seamless conversion from RJ-45 to ST fiber connections. With a data transfer rate of 100 Mbit/s, it ensures efficient network performance. The loop-back feature provides easy testing and troubleshooting, making it ideal for both professional and home networking environments.

## Long description

The ROLINE RC-100FX/ST Fast Ethernet Converter provides media conversion between STP (shielded twisted pair) and multimode ST fiber, enabling connection of RJ-45 Ethernet devices to ST fiber links. It supports 100 Mbit/s data transfer, includes a loop-back test feature for diagnostics, and is powered via the supplied external power adapter. The compact grey housing measures 72.5 x 108 x 23 mm.
Advantages
This converter allows seamless conversion from RJ-45 to ST multimode fiber, supporting mixed cabling environments that combine shielded copper and fiber optic segments. It supports a maximum fiber reach of up to 2000 m when used with 50/125 µm multimode fiber and provides a built-in loop-back for simple testing and troubleshooting. The unit is powered by the included 7.5 V DC, 500 mA external power supply.
Suitable for
Extending 100 Mbit/s Ethernet networks over multimode ST fiber
Connecting RJ-45 devices to ST fiber infrastructure
Mixed cabling environments combining STP copper and multimode fiber
Basic network testing and troubleshooting using the loop-back feature
Key specifications
Product: ROLINE RC-100FX/ST Fast Ethernet Converter
Data rate: 100 Mbit/s
Ports: 1 x RJ-45 (Ethernet LAN), 1 x ST fiber
Fiber type: Multimode (50/125 µm)
Maximum fiber distance: up to 2000 m (with 50/125 µm fiber)
Power supply: external 7.5 V DC, 500 mA (included)
Colour: grey
Dimensions (W x L x H): 72.5 x 108 x 23 mm
Contents: converter, power supply, manual
How to use
Connect the RJ-45 Ethernet cable from your network device to the converter's LAN port and attach the ST multimode fiber cable to the ST fiber connector. Plug the supplied 7.5 V DC, 500 mA power adapter into the unit and an electrical outlet. Verify link/activity indicators on connected devices and use the loop-back feature if you need to perform a basic continuity or diagnostic test.
Usage recommendations
Use 50/125 µm multimode ST fiber to achieve the stated maximum distance of up to 2000 m. Ensure proper handling and cleaning of ST connectors to maintain signal quality. Place the converter in a dry, ventilated location and avoid exposing it to extreme temperatures or moisture.

## Specifications

### Network

| Feature | Value |
|---|---|
| Data transfer rate | 100 Mbit/s |

### Ports & interfaces

| Feature | Value |
|---|---|
| Ethernet LAN (RJ-45) ports | 1 |

## FAQ

### How much does the Fast Ethernet Converter ROLINE RC-100FX/ST cost, and is it available for purchase?

The price is 112.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 118 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 16.07.2026 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: ethernet lan (rj-45) ports, 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/430863/54590111_large.webp