Quote in under 60 seconds
AI-verified compatibility
Live inventory across 200+ brands
FedRAMP · HIPAA · FERPA
AI-assembled cross-tower solutions
StarTech.com Gigabit Ethernet Single Mode SC Fiber Media Converter 40km ET91000SM402
StarTech.com·MPN: ET91000SM402

StarTech.com Gigabit Ethernet Single Mode SC Fiber Media Converter 40km ET91000SM402

The StarTech.com ET91000SM402 Gigabit Ethernet Single Mode SC Fiber Media Converter extends a 1000 Mbps Ethernet connection up to 40 kilometers over single-mode SC fiber, ensuring reliable long-distance network segments.

  • Extended Reach: Connects Gigabit Ethernet networks up to 40 km (25 miles) over single-mode SC fiber, enabling reliable data transmission across large campuses or between distant buildings.
  • Gigabit Performance: Supports full 1000 Mbps Ethernet speeds, maintaining high-bandwidth data flow for critical business applications without performance bottlenecks.
  • Simplified Deployment: Features Plug and Play installation and Auto MDI/MDI-X, reducing setup time and minimizing the need for specialized IT intervention.
  • Core Functionality: Converts 1000Base-T to 1000Base-LX/SX, providing essential physical layer connectivity for integrating copper-based networks with fiber optic infrastructure.
$378.80
In StockSale
Secure Checkout
Fast Fulfillment
Manufacturer Warranty Included

Product Overview

The StarTech.com ET91000SM402 is a purpose-built Gigabit Ethernet fiber media converter designed to extend network segments up to 40,000 meters over single-mode SC fiber, supporting 1000Base-T to 1000Base-LX/SX conversion. This external, wired device features one RJ-45 Ethernet LAN port and one SC fiber port, operating at a 1310 nm wavelength.

Engineered for operational value, this converter boasts a Mean Time Between Failures (MTBF) of 65,000 hours, ensuring long-term reliability for continuous network uptime. Its Plug and Play functionality, combined with RoHS, CE, and FCC certifications, simplifies deployment while meeting essential environmental and regulatory standards.

  • 40km Fiber Extension: Extends Gigabit Ethernet connections up to 40,000 meters over single-mode SC fiber, enabling network expansion across large facilities or between geographically separated sites.
  • Full Gigabit Throughput: Delivers 1000 Mbps Ethernet data rates with full-duplex support, ensuring high-speed, bidirectional communication for bandwidth-intensive applications.
  • Auto MDI/MDI-X: Automatically detects and configures the correct cable type, simplifying installation and reducing potential wiring errors for IT teams.
  • Robust Reliability: Features a 65,000-hour MTBF, providing a highly stable and dependable network link that minimizes service interruptions and associated operational costs.
  • Operational Value: Offers a durable and compliant solution for integrating copper and fiber networks, reducing infrastructure complexity and extending the lifespan of existing network investments.

Choose the StarTech.com ET91000SM402 for a reliable, long-distance fiber optic solution that extends your Gigabit Ethernet network with proven performance and simplified management.

Technical Specifications

1Performance & Business Impact
Maximum Data Transfer Rate2000 Mbit/s (Full Duplex)
Maximum Transfer Distance40,000 m / 24.8 miles
Mean Time Between Failures (MTBF)65,000 hours
Ethernet Interface TypeGigabit Ethernet (1000Base-T)
Fiber Output Interface1000Base-LX, 1000Base-SX
2Connectivity & I/O
Ethernet LAN (RJ-45) Ports1 port
Fiber Optic Ports1 SC port
Connectivity TechnologyWired
Auto MDI/MDI-XYes
3Physical & Environmental
Dimensions (W x D x H)95 x 160 x 20 mm / 3.74 x 6.30 x 0.79 inches
Weight600 g / 1.32 lbs
Product ColorBlack
Operating Temperature0 - 60 °C (32 - 140 °F)
Operating Relative Humidity10 - 90%
4Lifecycle, Warranty & Compliance
WarrantyLimited Lifetime Warranty
In-Box ContentsFiber Media Converter, Universal Power Adapter (NA/EU/UK/AU), Instruction Manual
Compliance CertificationsRoHS, CE, FCC
Plug and PlayYes

Full Specifications

Manufacturer Data
Network7
Maximum data transfer rate2000 Mbit/s
Converter input interface1000Base-T
Converter output interface1000Base-LX, 1000Base-SX
Ethernet interface typeGigabit Ethernet
Ethernet LAN data rates1000 Mbit/s
Auto MDI/MDI-XYes
Duplex systemFull, Half
Ports & interfaces5
Connectivity technologyWired
Ethernet LAN (RJ-45) ports1
Fiber ports quantity1
Fiber optic connectorSC
DC-in jackYes
Power4
Output voltage12 V
Output current1 A
Power consumption (typical)4 W
External power adapterYes
Performance4
Maximum transfer distance40000 m
Wavelength1310 nm
Fiber mode structureSingle-mode
Mean time between failures (MTBF)65000 h
Features3
InternalNo
Plug and PlayYes
Product colourBlack
Weight & dimensions1
Weight600 g
Certificates2
Compliance certificatesRoHS
CertificationCE, FCC
Packaging content1
ManualYes
Operational conditions1
Operating temperature (T-T)0 - 60 °C
Packaging data1
Package width140 mm
Logistics data1
Harmonized System (HS) code85176990
Other features1
Dimensions (WxDxH)95 x 160 x 20 mm
Downloads1
Product Datasheet
Download

What This Solves

Long-Distance Network Extension

Organizations with geographically dispersed buildings or large campus environments often struggle to maintain high-speed network connectivity over copper's limited reach. This product converts Gigabit Ethernet to single-mode fiber, extending network segments up to 40 kilometers to bridge these significant distances.

Campus networks, distributed branch offices, industrial facilities with remote outbuildings, metro-area infrastructure

Fiber-to-Copper Integration

Many businesses have mixed network infrastructures, requiring frictionless integration between existing copper-based Ethernet equipment and new or legacy fiber optic backbones. The converter provides a transparent physical layer translation, allowing standard RJ-45 devices to connect directly to single-mode fiber optic cables.

Data center operators, co-location facilities, enterprise infrastructure teams, network upgrade projects

Enhanced Network Reliability

Maintaining consistent network uptime is critical for business operations, and long copper runs are susceptible to interference and signal degradation. By leveraging single-mode fiber, this converter ensures a more stable and interference-resistant connection over extended distances, contributing to overall network resilience.

Mission-critical infrastructure, financial trading companies, healthcare systems, any organization prioritizing network stability

Key Features

Maximum transfer distance: 40,000 m

Extends Gigabit Ethernet networks up to 40 kilometers, enabling reliable connectivity across vast distances for distributed operations.

Maximum data transfer rate: 2000 Mbit/s (Full Duplex)

Supports full Gigabit speeds for both send and receive, ensuring high-bandwidth applications perform optimally without bottlenecks.

Fiber mode structure: Single-mode SC

Utilizes single-mode fiber with SC connectors, providing a cost-effective and high-performance solution for long-haul data transmission.

Mean time between failures (MTBF): 65,000 h

Delivers exceptional operational reliability and uptime, minimizing network disruptions and reducing maintenance overhead for IT teams.

Auto MDI/MDI-X: Yes

Simplifies network installation by automatically detecting and configuring the correct cable type, reducing setup complexity and potential errors.

Industry Applications

Manufacturing & Industrial

Connects remote factory floor equipment or warehouse management systems to central IT infrastructure over long distances, ensuring operational continuity.

Education & Research

Extends campus networks to distant academic buildings or research labs, ensuring high-speed data access across the institution for students and faculty.

Government & Public Sector

Links municipal offices, public safety facilities, or distributed agency branches over extended fiber runs for secure and reliable data exchange.

Real Estate & Construction

Provides reliable network backbones for large commercial properties or multi-building developments, supporting building management systems and tenant connectivity.

Frequently Asked Questions

What type of fiber optic cable is compatible with this media converter?

This media converter is designed for use with single-mode fiber optic cables, specifically those terminated with SC connectors, to achieve its maximum 40 km extension distance.

Can this converter be used in both half-duplex and full-duplex network environments?

Yes, the StarTech.com ET91000SM402 supports both full and half-duplex systems, ensuring broad compatibility with various Ethernet network configurations and devices.

Is an external power adapter required for this device, and is it included?

Yes, this media converter requires an external 12V, 1A DC power adapter for operation, and an appropriate power adapter is included in the packaging.

What is the typical power consumption of this Gigabit Ethernet media converter?

The typical power consumption for the StarTech.com ET91000SM402 is 4 watts, making it an energy-efficient solution for extending network reach.

Warranty & Returns

Manufacturer Warranty

2 Year Warranty

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.

$378.80