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StarTech.com USB to Fiber Optic Converter 100Mbps SC US100A20FXSC
StarTech.com·MPN: US100A20FXSC

StarTech.com USB to Fiber Optic Converter 100Mbps SC US100A20FXSC

The StarTech.com US100A20FXSC USB to Fiber Optic Converter enables IT professionals to establish secure and reliable 100Mbps fiber network connections through any available USB-A 2.0 port, extending network reach up to 2000 meters.

  • Fiber Connectivity: Provides a 100BaseFX SC optical transceiver, ensuring secure and interference-free data transmission over long distances for critical business applications.
  • Universal Compatibility: Supports Windows, Mac, and Linux operating systems, allowing flexible deployment across diverse IT environments without driver complexities.
  • Extended Reach: Connects to fiber networks up to 2000 meters away, enabling reliable network access in large facilities or remote operational areas.
  • VLAN Tagging: Supports IEEE 802.1Q VLAN tagging, facilitating network segmentation and enhanced security for sensitive data traffic.
$161.44
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Manufacturer Warranty Included

Product Overview

The StarTech.com US100A20FXSC is a purpose-built USB 2.0 to fiber optic converter, providing a robust 100Mbps Ethernet network connection via a 100BaseFX SC optical transceiver. This device is engineered to deliver secure and reliable fiber connectivity where traditional copper Ethernet is impractical or insecure.

Designed for broad compatibility, this converter supports Windows 10/11, Mac OS X, and Linux, along with Windows Server 2008/2012/2016, ensuring seamless integration into diverse enterprise IT infrastructures. Its plug-and-play functionality and support for VLAN tagging (IEEE 802.1Q) enhance network manageability and security.

  • Secure Fiber Access: Establishes a 100Mbps fiber optic connection, protecting sensitive data from electromagnetic interference and unauthorized tapping, crucial for compliance and data security.
  • Broad OS Support: Compatible with Windows, Mac, and Linux, ensuring versatile deployment across various workstations and server environments for maximum operational flexibility.
  • Long-Distance Networking: Extends network reach up to 2000 meters over fiber, enabling reliable connectivity for remote offices, large campuses, or industrial sites.
  • Network Segmentation: Features VLAN tagging (IEEE 802.1Q) support, allowing IT teams to segment network traffic for improved security, performance, and resource allocation.
  • Operational Value: Provides a durable and compliant solution (CE, RoHS) for critical network access, reducing long-term maintenance costs and ensuring consistent uptime for business operations.

This StarTech.com converter is an indispensable tool for IT professionals needing secure, high-integrity network access in demanding operational settings.

Technical Specifications

1Performance & Business Impact
Network Speed100 Mbps
Fiber Cabling Technology100BASE-FX
Max Operating Distance2000 m / 6562 ft
VLAN TaggingIEEE 802.1Q
Wake-on-LAN (WoL)Yes
2Connectivity & I/O
Host ConnectionUSB 2.0 Type-A
Network Port1 x SC Fiber Optic
Connectivity TechnologyWired
3Physical & Environmental
Dimensions (W x D x H)140 mm x 170 mm x 20 mm / 5.5 in x 6.7 in x 0.8 in
Weight108 g / 0.24 lbs
Product ColorBlack
Housing MaterialPlastic
Operating Temperature0 to 60 °C (32 to 140 °F)
Operating Humidity5 - 90% RH (non-condensing)
4Lifecycle, Warranty & Compliance
Warranty2-Year Limited Warranty
In-Box ContentsUSB to Fiber Optic Converter, Quick-Start Guide
Compliance CertificationsCE, RoHS
Supported Operating SystemsWindows 7/8/8.1/10/11, macOS 10.9+, Linux, Windows Server 2008/2012/2016

Full Specifications

Manufacturer Data
Network6
Maximum data transfer rate1000 Mbit/s
Networking standardsIEEE 802.1Q, IEEE 802.3x
Fiber ethernet cabling technology100BASE-FX
Wake-on-LAN readyYes
VLAN taggingYes
Maximum operating distance2000 m
Ports & interfaces6
Connectivity technologyWired
Host interfaceUSB
InterfaceFiber
Fiber ports quantity1
Fiber optic connectorSC
USB version2.0
Weight & dimensions4
Width140 mm
Depth170 mm
Height20 mm
Weight108 g
Design5
Product colourBlack
InternalNo
ChipsetASIX Electronics - AX88772C
Plug and PlayYes
LED indicatorsActivity, Link, Power
System requirements1
Windows operating systems supportedWindows 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 10 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 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, 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 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
Operational conditions1
Operating temperature (T-T)0 - 60 °C
Sustainability1
Sustainability complianceYes
Packaging data1
Package width52 mm
Technical details1
Compliance certificatesCE, RoHS
Logistics data1
Harmonized System (HS) code85176990
Other features1
Housing materialPlastic
Downloads2
Product Datasheet128 KB
Download
User Manual202 KB
Download

What This Solves

Secure Field Diagnostics

Field technicians often need to connect diagnostic laptops to secure fiber networks in data centers or industrial sites. This converter provides a direct, secure 100Mbps fiber link, enabling rapid troubleshooting and system access without compromising network integrity.

IT operations teams, network engineers, facilities management, industrial control system operators

Temporary Secure Workstations

For temporary office setups or secure zones where wireless or copper Ethernet is prohibited or unreliable, a fiber connection is essential. This adapter allows any USB-A equipped laptop to join a 100Mbps fiber network, ensuring secure and stable data exchange for critical tasks.

Government agencies, legal firms, financial institutions, temporary project teams

Extending Network Reach

In large campus environments or warehouses, copper Ethernet often hits distance limitations, while fiber offers extended reach and immunity to interference. This converter enables laptops to connect to distant fiber segments, providing reliable network access across expansive operational areas.

University campuses, logistics companies, large manufacturing facilities, distributed office networks

Key Features

USB 2.0 Host Interface

Connects easily to any modern laptop or tablet with a USB-A port, providing instant fiber network access without requiring specialized hardware.

100BaseFX SC Fiber Optic Connector

Delivers secure, high-integrity 100Mbps fiber connectivity, protecting data from EMI and physical tapping for mission-critical applications.

Maximum Operating Distance 2000 m

Extends network reach significantly beyond copper limits, enabling reliable connectivity in large facilities or geographically dispersed operational areas.

VLAN Tagging (IEEE 802.1Q)

Allows for network segmentation and traffic prioritization, enhancing security and optimizing performance for different business applications.

Plug and Play Operation

Ensures quick and effortless deployment across Windows, Mac, and Linux systems, minimizing setup time and reducing IT support overhead.

Industry Applications

Government & Public Sector

Enables secure, EMI-resistant fiber network access for field agents or temporary deployments, protecting sensitive government data from interception.

Manufacturing & Industrial

Provides reliable fiber connectivity to industrial control systems and OT networks, ensuring data integrity in environments with high electromagnetic interference.

Healthcare & Life Sciences

Facilitates secure and compliant access to patient records and medical imaging systems over fiber, minimizing data breach risks in clinical settings.

Legal & Professional Services

Offers secure network access for legal professionals handling confidential client data, ensuring privacy and compliance during on-site investigations or temporary office setups.

Frequently Asked Questions

What types of fiber optic cables are compatible with this converter?

This converter is designed for 100BaseFX networks and typically works with both multi-mode and single-mode fiber optic cables, utilizing an SC connector for reliable data transmission.

Does this device require any special drivers for installation?

No, the StarTech.com US100A20FXSC features Plug and Play functionality, allowing for automatic driver installation on most Windows, Mac, and Linux operating systems, simplifying deployment.

Can this converter be used to extend a network connection over long distances?

Yes, this converter supports a maximum operating distance of 2000 meters over fiber, making it ideal for extending network connectivity in large buildings or between distant points.

Is this converter suitable for secure network environments?

Absolutely, fiber optic connections are inherently more secure than copper, being immune to electromagnetic interference and harder to tap, making this converter suitable for environments requiring high data security.

Warranty & Returns

Manufacturer Warranty

2 Years

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$161.44