here!

I’m your shopping assistant for PC builds, upgrades, and everything tech.

Got questions? Ask away!

Start a conversation

Hey!

How can we help you today?

Track a package

Cancel an order

Resolve a payment issueBilling, declined cards, and payment method update

My Account & SecurityUpdate passwords and security settings

Need more help?

Visit Help Center

Build Tools & Resources

Price Protection Deals

For your Business

$131^.99

Free 78-day Returns

Limit 99999 per customer.

Login to Make an Offer

Sold by Newegg

Shipped by Newegg

Price alert

Add to Wish List

Shop it at NeweggBusiness.

Main image of StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Alt view image 2 of 7 - StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Alt view image 3 of 7 - StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Alt view image 4 of 7 - StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Alt view image 5 of 7 - StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Alt view image 6 of 7 - StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Alt view image 7 of 7 - StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Shop All STARTECH Products

StarTech.com Gigabit Singlemode (SM) LC Fiber Media Converter, 10/100/1000 Mbps, 20km, RJ45 to LC, Full Metal, TAA Compliant

Be the first to review this product...

EXTEND ETHERNET OVER EXTRAORDINARY DISTANCES: Convert and extend a 10/100/1000 Mbps Ethernet signal to Gigabit single-mode LC fiber, up to 20km (12.4mi); For specialized edge, industrial / remote deployments requiring long-range, secure wired connectivity
RELIABLE PERFORMANCE & DIAGNOSTICS: Compatible with 1000BASE-T (IEEE 802.3ab) and 1000BASE-LX (IEEE 802.3z); Supports full/half duplex, 9K jumbo frames, auto-negotiation, and auto MDI/MDI-X; DIP switch enables Link Fault Passthrough (LFP) with LLCF/LLR
DURABLE, COMPACT DESIGN: All-metal chassis provides strong shielding and long-term durability, while the compact size fits easily into tight spaces; Built-in LED indicators make it easy to monitor link, power, and activity at a glance
INSTALL FLEXIBLY IN ANY ENVIRONMENT: Plug-and-play media converter supports wall, DIN rail, or chassis mounting for secure placement in server rooms or network closets; Includes a 5V DC power adapter for consistent operation
THE IT PRO'S CHOICE: Engineered for edge, on-prem, and aerospace/defense applications requiring compliant connectivity; TAA certified and lab-tested for mission-critical reliability and backed by free lifetime 24/5 multilingual technical support

Overview

Specs

Reviews

Any questions? Ask Celeste^SM will help you find out quickly.

Try me now

Server Racks
Display and Video Adapters
Computer Cards and Adapters
Cables
Data Storage
Networking
Docking Stations

StarTech.com the IT

Convert and extend a Gigabit Ethernet connection up to 20km (12.4 miles) using single-mode LC fiber cable.

Gigabit Ethernet Copper-to-Fiber Media Converter, SM LC, 20km

Built for Versatility and Performance

Convert 10/100/1000 Mbps RJ-45 to Gigabit LC fiber using a media converter that complies with IEEE 802.3 standards. It supports full/half duplex, auto-negotiation, MDI/MDI-X, and 9K jumbo frames for high-performance networking in mixed copper-fiber environments.

Gigabit Ethernet Copper-to-Fiber Media Converter, SM LC, 20km

Smart Diagnostics and Rugged Design

Built with a compact full metal chassis, this converter includes LED indicators for power and link activity, plus a DIP switch to enable Link Fault Passthrough (LFP) with LLCF/LLR for easier network troubleshooting and reliability.

Gigabit Ethernet Copper-to-Fiber Media Converter, SM LC, 20km

Flexible Installation for Any Network Setup

Deploy in minutes with plug-and-play setup and multiple mounting options including wall-mount, DIN-rail, or media chassis installation. It includes a 5V DC, 2A power adapter, making it ideal for server rooms or network closets.

IT Pro Performance hdmi splitter extended display two monitors

StarTech.com the IT

Convert and extend a Gigabit Ethernet connection up to 20km (12.4 miles) using single-mode LC fiber cable.

Gigabit Ethernet Copper-to-Fiber Media Converter, SM LC, 20km

Built for Versatility and Performance

Convert 10/100/1000 Mbps RJ-45 to Gigabit LC fiber using a media converter that complies with IEEE 802.3 standards. It supports full/half duplex, auto-negotiation, MDI/MDI-X, and 9K jumbo frames for high-performance networking in mixed copper-fiber environments.

Gigabit Ethernet Copper-to-Fiber Media Converter, SM LC, 20km

Smart Diagnostics and Rugged Design

Built with a compact full metal chassis, this converter includes LED indicators for power and link activity, plus a DIP switch to enable Link Fault Passthrough (LFP) with LLCF/LLR for easier network troubleshooting and reliability.

Gigabit Ethernet Copper-to-Fiber Media Converter, SM LC, 20km

Flexible Installation for Any Network Setup

Deploy in minutes with plug-and-play setup and multiple mounting options including wall-mount, DIN-rail, or media chassis installation. It includes a 5V DC, 2A power adapter, making it ideal for server rooms or network closets.

IT Pro Performance hdmi splitter extended display two monitors

Server Racks
Display and Video Adapters
Computer Cards and Adapters
Cables
Data Storage
Networking
Docking Stations

This Gigabit Ethernet to fiber media converter offers a reliable way to extend your network up to 20 km (12.4 mi) using single-mode LC fiber, providing increased range, enhanced security, and reduced interference compared to copper-based connections. It's TAA compliant and designed for government and commercial applications where long-distance and rack-mountable fiber access is needed. Convert 10/100/1000 Mbps RJ-45 to Gigabit LC fiber using a media converter that complies with IEEE 802.3 standards. It supports full/half duplex, auto-negotiation, MDI/MDI-X, and 9K jumbo frames for high-performance networking in mixed copper-fiber environments. Built with a compact full metal chassis, this converter includes LED indicators for power and link activity, plus a DIP switch to enable Link Fault Passthrough (LFP) with LLCF/LLR for easier network troubleshooting and reliability. Deploy in minutes with plug-and-play setup and multiple mounting options including wall-mount, DIN-rail, or media chassis installation. It includes a 5V DC, 2A power adapter, making it ideal for server rooms or network closets.

Product information

Brand	StarTech
Hardware Interface	Ethernet
Color	Black
Compatible Devices	Desktop, Router
Product Dimensions	2.8"L x 3.7"W x 3.7"H
Data Link Protocol	IEEE 802.3ab 1000BASE-T, IEEE 802.3z 1000BASE-LX, IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX
Data Transfer Rate	2 Gigabits Per Second
Item Weight	4.54 g
UPC	065030917087
Manufacturer	StarTech.com
Item model number	MCM1110SMLC20
Item Dimensions LxWxH	2.8 x 3.7 x 3.7 inches
Language	German
Date First Available	November 19, 2025

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
Read full details

Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

Return for refund until: January 31, 2027
Return for replacement until: January 31, 2027
This item is covered by Newegg.com's Extended Holiday Return Policy.
Read full return policy for details.

Manufacturer Contact Info

LOADING...

The StarTech.com Gigabit single-mode LC media converter bridges RJ45 Ethernet and single-mode fiber at 10/100/1000 Mbps, extending network connections up to 20 km—well suited to IT teams connecting remote sites, industrial edges, or other long-distance network links.

Recommended For

Network teams extending a Gigabit Ethernet link between buildings, remote facilities, or distant network closets over existing single-mode LC fiber, where copper Ethernet alone does not cover the route.
IT staff adding a copper Ethernet endpoint to a single-mode fiber connection at an edge, industrial, or remote site, with a matching fiber link and converter at the other end.
Government or commercial buyers who need a TAA-compliant standalone converter for a Gigabit fiber deployment.
Installers placing a compact converter in a network closet or equipment area who want local link indicators and Link Fault Passthrough for basic link troubleshooting.

Spec Summary

Attribute	Value
Best For	Singlemode LC fiber Ethernet conversion for desktop and router links, including remote or edge network placements
Connectivity And Compatibility	Optical interface for connecting desktop and router equipment
Power	Requires a 5 V DC supply
Mounting And Physical Design	DIN rail mounting; black enclosure measuring 2.8 × 3.7 × 3.7 inches
Included Components	One media converter, one universal power adapter, and product documentation
Model Identifiers	StarTech.com MCM1110SMLC20
Item Weight	0.01 lb