# StarTech.com USB to Fiber Optic Converter 100Mbps USB 2.0 100Base-FX SC Female Duplex Multimode Fiber 2Km

**URL:** https://aio.lv/en/product--startech-us100a20fxsc--10973990
**Data updated:** 2025-09-28 05:22 (EEST)
**Category:** Network Cards
**Manufacturer:** StarTech
**Manufacturer code:** US100A20FXSC
**EAN:** 0065030874663
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 210.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 174.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-us100a20fxsc--10973990

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The StarTech.com USB to Fiber Optic Converter allows for wired connectivity with a maximum data transfer rate of 1000 Mbit/s. It supports 100Base-FX SC Female Duplex Multimode Fiber and is compatible with a distance of up to 2Km. The compact design makes it ideal for various networking applications.

## Long description

Connect to a 100Mbps fiber optic network using a laptop or tablet USB-A port with the StarTech.com USB to Fiber Optic Converter (US100A20FXSC). This compact USB 2.0 adapter provides a 100Base-FX SC optical transceiver for multimode fiber links up to 2 km, and is compatible with Windows and Mac. The converter is USB-powered and designed to deliver fiber-to-the-desk connectivity that reduces electronic interference common to copper Ethernet.
Advantages
The adapter enables a secure fiber network connection through a standard USB-A port without requiring internal installation. Its SC duplex multimode optical transceiver supports 100Base-FX links to a maximum range of 2 km. The unit is USB-powered for easy portability and operates with certified drivers for Windows and Linux, allowing plug-and-play setup after driver installation. Using fiber reduces risk of electromagnetic interference and helps protect sensitive data compared with copper cabling.
Suitable for (tasks / use cases)
Connecting a laptop or tablet to a multimode fiber network where only USB-A ports are available
Temporary or mobile fiber-to-the-desk (FTTD) connections
Environments requiring protection from electromagnetic interference
Network troubleshooting or device testing with 100Base-FX links
Key specifications
Brand: StarTech.com
Model: US100A20FXSC
Interface: USB 2.0 (Type-A) host, SC female duplex fiber port
Network standard: 100Base-FX (100 Mbps over fiber)
Maximum fiber range: up to 2 km (multimode)
Connectivity technology: Wired (fiber)
Supported OS: Windows, Mac, Linux (certified drivers)
Weight: 0.108 kg
Colour: Black
How to use
Plug the converter into an available USB-A (USB 2.0) port on your laptop or tablet. Install the appropriate certified driver for your operating system (Windows or Linux/Mac where supported). Connect a multimode SC duplex fiber cable between the converter and your fiber network. The adapter is powered from the USB port and will establish a 100Base-FX Ethernet link once drivers are installed and the fiber connection is active.
Usage recommendations
Use certified multimode SC duplex fiber cabling and verify link compatibility with your network equipment. Ensure drivers are the current versions from StarTech.com for best interoperability. For mobile or temporary deployments, keep the adapter protected from physical damage and disconnect when not in use to avoid strain on the fiber connector.

## Specifications

| Feature | Value |
|---|---|
| Master (outer) case height | 355 mm |
| Master (outer) case width | 310 mm |
| Master (outer) case length | 590 mm |
| Products per master (outer) case | 80 pc(s) |
| Harmonized System (HS) code | 85176990 |
| Sustainability compliance | Yes |
| Sustainability certificates | RoHS, CE |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Interface | Fiber |
| Host interface | USB |
| Internal | No |
| Fiber ports quantity | 1 |
| Fiber optic connector | SC |
| USB version | 2.0 |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 1000 Mbit/s |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.3x, IEEE 802.1Q |
| Chipset | ASIX Electronics - AX88772C |
| Maximum operating distance | 2000 m |
| Fiber ethernet cabling technology | 100BASE-FX |
| VLAN tagging | Yes |

### Performance

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Cable length | 0.195 m |
| Wake-on-LAN ready | Yes |
| Windows operating systems supported | Windows 8.1 Pro, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 7 Ultimate, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 7 Home Premium x64, Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 10 x64, Windows 7 Professional |
| Mac operating systems supported | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.9 Mavericks |
| Linux operating systems supported | Y |
| Server operating systems supported | Windows Server 2008, Windows Server 2012, Windows Server 2016 |

### Design

| Feature | Value |
|---|---|
| LED indicators | Power, Link, Activity |
| Housing material | Plastic |
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.108 kg |
| Package weight | 52 g |
| Height | 20 mm |
| Width | 140 mm |
| Depth | 170 mm |
| Package depth | 270 mm |
| Package height | 30 mm |
| Package width | 52 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 5 - 90 |
| Storage temperature (T-T) | -10 - 70 |
| Operating temperature (T-T) | 0 - 60 |

### Packaging content

| Feature | Value |
|---|---|
| Quick start guide | Yes |

## FAQ

### How much does the USB to Fiber Optic Converter StarTech.com US100A20FXSC cost, and is it available for purchase?

The price is 210.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 45 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 13.07.2026 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 StarTech 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 StarTech 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: connectivity technology, interface, host interface, maximum data transfer rate, weight, networking standards, 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 USB to Fiber Optic Converter StarTech.com US100A20FXSC?

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/10973990/61396652_large.webp