40 GBPS QSFP LR SM DF 1310nm LC 20 km

40Gbps QSFP+ LR Optical Transceiver – 1310nm, Single Mode, LC Connector, 20km Range

The 40 GBPS QSFP LR SM DF 1310nm  optical transceiver is a high-performance and cost-effective solution for high-speed optical networking. Designed for long-distance data transmission over single-mode fiber (SMF), this transceiver provides a reliable, scalable, and energy-efficient means of enabling 40 Gigabit Ethernet (40GbE) connectivity. Using a 1310nm wavelength and LC duplex connectors, it delivers up to 20km transmission distance while maintaining signal quality and low latency.

This transceiver module is a perfect fit for data centers, telecommunications networks, large enterprise networks, and carrier-grade infrastructure where long-range 40G connections are required.

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Key Features

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1. 40 Gbps High-Speed Transmission

The transceiver supports a total bandwidth of 40 Gigabits per second, ideal for today’s data-intensive operations including:

• High-performance computing

• Cloud infrastructure and virtualization

• Big data analytics

• Video streaming and large-scale content delivery

Compliant with IEEE 802.3ba 40GBASE-LR4 standards, it ensures interoperability with all standard 40G networking equipment.

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2. Long-Reach Capability – Up to 20 km

This QSFP+ LR module is engineered for long-distance transmission with a maximum reach of 20 kilometers over single-mode fiber (SMF). It is ideal for:

• Campus-wide fiber deployments

• Metro and access networks

• Data center interconnections between buildings or facilities

The 20km range makes it a reliable solution for medium-to-long haul fiber optic communication.

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3. 1310nm Wavelength DFB Laser

Operating on a 1310nm center wavelength, this module uses distributed feedback (DFB) laser technology to ensure:

• Low signal attenuation

• Reduced dispersion over long distances

• Stable and precise optical signal transmission

This wavelength is standard for long-range SMF communication and supports excellent signal integrity.

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4. LC Duplex Optical Interface

The transceiver features a standard LC duplex connector, which offers:

• Easy connection with common optical fiber infrastructure

• Low insertion loss and stable connection

• Compatibility with a wide range of fiber patch cords and devices

This design ensures quick deployment and seamless integration.

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5. QSFP+ Hot-Pluggable Form Factor

With a compact QSFP+ form factor, the module is hot-swappable, enabling:

• Quick replacement and upgrades without powering down equipment

• Space-saving installation for high-density environments

• Easy maintenance in large networks

This form factor is widely adopted across major switch and router platforms.

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6. Digital Diagnostics Monitoring (DDM)

Built-in Digital Optical Monitoring (DOM) allows real-time tracking of:

• Optical power levels

• Laser bias current

• Module temperature

• Supply voltage

These diagnostics enhance network visibility, allowing for proactive maintenance and fault detection.

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7. Low Power Consumption

Designed to be energy-efficient, the module consumes minimal power per bit transmitted. This results in:

• Lower operational costs

• Reduced heat output, leading to longer equipment lifespan

• Better efficiency in high-density deployments

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8. Wide Compatibility and Compliance

This transceiver is compliant with multiple industry standards and specifications:

• IEEE 802.3ba (40GBASE-LR4)

• SFF-8436 QSFP+ MSA

• RoHS compliant

• FDA and IEC-60825-1 Class 1 laser safety standard

It ensures seamless integration with switches and routers from major networking vendors like Cisco, Juniper, Arista, Huawei, and others.

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Use Case Scenarios

• Data Center Interconnect (DCI): Linking two data centers across cities or within large campuses
• Telecom Backbone Networks: High-speed, long-range connections in urban and semi-urban areas
• Enterprise WAN Infrastructure: Interconnect different office locations or buildings over fiber
• Research & Education Networks: Connect labs, buildings, and institutions over a central fiber network

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Why Choose 40Gbps QSFP+ LR SM DF 1310nm LC 20km?

This transceiver is designed to meet modern bandwidth demands with speed, distance, and reliability. Its robust construction and support for long-reach transmission make it ideal for evolving IT infrastructure. Whether you’re expanding a data center, enhancing campus networks, or enabling metro Ethernet services, the QSFP+ 40GbE LR 20km transceiver is a future-proof investment.

With excellent performance, energy efficiency, and interoperability, this optical module is a top choice for professionals seeking reliable, high-speed fiber connectivity for critical networking needs.