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StarTech USB to Fiber Optic Converter 100Mbps USB 2.0 Network Adapter
SKU# AC23912, Model# US100A20FXSC

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SKU # AC23912 | Model # US100A20FXSC

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USB to Fiber Optic converter easy to use with USB-enabled computer & ideal for access to a fiber network/LAN - 100Mbps |100Base FX| 1x SC Female Duplex | ASIX AX88772C | 1x USB 2.0 Type A | Multi-Mode Fiber | 1310 nm | 2 km/1.2 mi | VLAN | USB Bus-Powered - Compact form factor & no power adapter means fewer cords - Integrated SC MM fiber connection for easy deployment - Windows 7/8/8.1/10 Windows Server 2008/2012/2106; MacOS X 10.9 to 10.14; Linux LTS Kernel 3.5 to 4.11.x - 2Yr Warranty

Manufacturer Warranty: 2 Years Limited Warranty
Manufacturer Contact Info:,

This USB to fiber-optic converter lets you utilize the USB 2.0 (Type-A) port on your laptop or tablet to provide a secure fiber network connection. Windows® and Mac compatible, the network adapter provides a 100Mbps Ethernet network connection and 100BaseFX SC optical transceiver.

Fiber-optic SC port

With an optical transceiver for 100Base-FX networks, the USB to fiber converter delivers network connectivity with a maximum range of 2 km over multimode fiber.

Secure fiber-to-the-desk connectivity

For reliable fiber connectivity, this USB to fiber-optic converter protects your network from problems with electronic interference - a common issue with copper Ethernet networks. Fiber-to-the-desk connectivity (FTTD) maximizes network security, reducing the risk of data leaks of sensitive information, without compromising network speed and reliability.

Easy portability

Compact and portable, this USB 2.0 to fiber-optic converter is powered directly from the USB port, making it easy to connect when you’re on the go.

Plug and play

Get up and running quickly. The USB fiber-optic converter supports certified drivers for Windows and Linux®. When you plug the adapter into a USB port, you simply install the drivers and the adapter is ready to transmit over a fiber network.

The US100A20FXSC is backed by a 2-year warranty and free lifetime technical support.

LED IndicatorsPower
Packaging Information
Package Height30 mm [1.2 in]
Package Length270 mm [10.6 in]
Package Width52 mm [2 in]
Shipping (Package) Weight52 g [1.8 oz]
Compatible Networks1000 Mbps (1 Gbps)
Max Distance2 km (1.2 mi)
Maximum Data Transfer Rate100 Mbps
Promiscuous ModeYes
TypeMulti Mode
Physical Characteristics
Cable Length195 mm [7.7 in]
Enclosure TypePlastic
Product Height20 mm [0.8 in]
Product Length170 mm [6.7 in]
Product Width140 mm [5.5 in]
Weight of Product108 g [3.8 oz]
Power SourceUSB-Powered
OS CompatibilityWindows® 7, 8, 8.1, 10
Windows® Server 2008, 2012, 2106
Mac OS X® 10.9 to 10.14
Linux® kernel 3.5 to 4.11.x, LTS versions only
What's in the Box
Included in Packagenetwork adapter
quick-start guide
LED IndicatorsLink/Activity
InterfaceFiber Ethernet
Industry StandardsIEEE802.3x 100BASE-FX
IEEE 802.1Q VLAN tagging
Chipset IDASIX Electronics - AX88772C
Bus TypeUSB 2.0
Storage Temperature-10° ~ 70°C (14° ~ 158°F)
Operating Temperature0°C ~ 60°C (32° ~ 140°F)
Humidity5% ~ 90% RH
Connector Type(s)USB Type-A (4 pin) USB 2.0 Female
Fiber Optic SC Female
Max Transfer Distance2 km (1.2 mi)

SKU # AC23912 | Model # US100A20FXSC

See an error? Click here and let us know