# Media converter Lightwin LWC-10/100-SF-S20-A — 10/100Base-TX to 100Base-LX Singlemode, 20 km

**URL:** https://aio.lv/en/product--lightwin-lwc-10100-sf-s20-a--3782052
**Data updated:** 2025-12-29 13:48 (EET)
**Category:** Network Media Converters
**Manufacturer:** Lightwin
**Manufacturer code:** LWC-10/100-SF-S20-A
**EAN:** 9120046984209
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 46.27 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lightwin-lwc-10100-sf-s20-a--3782052

## 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

Lightwin LWC-10/100-SF-S20-A is a media converter that connects copper Ethernet (10/100Base-TX) to singlemode fiber (100Base-LX) over distances up to 20 km. It enables integration of fiber links into existing LANs, supports standard 10/100 Mbps interfaces, and is intended for extending network reach, improving electromagnetic immunity, and linking remote switches or equipment.

## Long description

Lightwin LWC-10/100-SF-S20-A is a media converter that links copper Ethernet (10/100Base-TX) with singlemode fiber (100Base-LX) for distances up to 20 km. The device enables integration of fiber-optic segments into existing LANs, provides standard 10/100 Mbps connectivity and is designed to extend network reach, improve immunity to electromagnetic interference and connect remote switches or network devices.
Advantages
The media converter supports both 10 and 100 Mbps Ethernet on the copper side and converts to 100Base-LX singlemode fiber, allowing long-distance point-to-point links up to 20 km. Its compact design simplifies deployment in rack or desktop environments and it requires minimal configuration, making it suitable for adding fiber segments without major network changes.
Suitable for
Extending LAN connections between buildings or floors up to 20 km
Connecting remote switches, servers or surveillance systems over singlemode fiber
Improving network reliability in environments with high electromagnetic interference
Key specifications
Model: Lightwin LWC-10/100-SF-S20-A
Copper interface: 10/100Base-TX (RJ45)
Fiber interface: 100Base-LX, singlemode
Maximum fiber distance: 20 km
Brand: Lightwin
MPN: LWC-10/100-SF-S20-A
EAN: 9120046984209
How to use
Install the media converter near the copper network device and connect the RJ45 cable to the 10/100Base-TX port. Terminate the singlemode fiber to the 100Base-LX port using the correct connector type and polarity. Power the unit and verify link/activity LEDs on both ports. Configure connected switches or endpoints as required for 10/100 Mbps operation; the converter operates transparently at layer 1 and does not require additional protocol settings.
Usage recommendations
Place the converter in a ventilated area away from high-temperature sources, use appropriate singlemode fiber and transceivers compatible with 100Base-LX, and test link integrity after installation. For redundant links or critical services consider using managed fiber equipment or link protection schemes in addition to this media converter.

## FAQ

### How much does the Lightwin LWC-10/100-SF-S20-A media converter cost, and is it available for purchase?

The price is 55.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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: 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 Lightwin 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 Lightwin 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/3782052/51472468_large.webp