FTLC1154RDPL Finisar 100GBASE-LR4 QSFP28 Transceiver

Finisar 100GBASE-LR4 QSFP28 Transceiver

The FTLC1154RDPL Finisar 100GBASE-LR4 QSFP28 Transceiver is a high-performance optical module designed for reliable data transmission over long distances. It ensures efficient connectivity for modern networking infrastructures.

Manufacturer Information

• Brand: Finisar
• Model Number: FTLC1154RDPL
• Category: Optical Transceiver

Technical Specifications

Form Factor & Compatibility

• Hot-swappable QSFP28 design
• Supports advanced networking systems

Performance Features

• Delivers up to 103.1 Gb/s aggregate data rate
• Power consumption below 3.5W
• Adaptive CTLE for signal optimization
• Single 3.3V power input

Compliance & Reliability

• RoHS-6 certified for environmental safety
• Commercial operating temperature range: 0°C to 70°C

Connectivity Options

Fiber Optic Capabilities

• Maximum transmission distance: 10 km on single-mode fiber (SMF)
• 4x25Gb/s DFB-based LAN-WDM transmitter

Electrical Interface

• 4x25G retimed electrical interface
• Duplex LC connectors for secure connections

Finisar FTLC1154RDPL 100GBASE-LR4 Transceiver Overview

The Finisar FTLC1154RDPL 10KM 100GBASE-LR4 QSFP28 Optical Transceiver is engineered to deliver high-performance 100 Gigabit Ethernet connectivity across single-mode fiber infrastructure. Designed for modern data centers, enterprise core networks, and service provider environments, this 100GBASE-LR4 QSFP28 optical module ensures reliable long-distance transmission up to 10 kilometers while maintaining low power consumption and exceptional signal integrity.

As part of the 100G QSFP28 optical transceiver category, this module supports advanced networking architectures that demand high bandwidth, low latency, and scalable infrastructure. It is fully compliant with IEEE standards and integrates seamlessly into switches, routers, and network interface cards that support QSFP28 form factors. The FTLC1154RDPL model is optimized for high-density deployments where space efficiency, thermal performance, and energy efficiency are critical.

100GBASE-LR4 QSFP28 Optical Transceiver

The 100GBASE-LR4 QSFP28 transceiver technology is built around wavelength division multiplexing to transmit four separate 25Gbps channels over a single pair of single-mode fibers. These four wavelengths are multiplexed into a single optical signal for transmission and demultiplexed at the receiving end, ensuring efficient use of fiber infrastructure while achieving 100Gbps aggregate throughput.

QSFP28 Form Factor and High-Density Networking

The QSFP28 form factor provides a compact and hot-pluggable solution for 100G Ethernet connectivity. Compared to earlier CFP and CFP2 modules, QSFP28 transceivers offer significantly reduced power consumption and physical footprint, making them ideal for high-density switch environments. The Finisar FTLC1154RDPL 100G QSFP28 LR4 transceiver is specifically designed for integration into modern top-of-rack, aggregation, and core switches.

With support for four electrical lanes operating at 25Gbps each, QSFP28 modules enable efficient high-speed data transfer while reducing port congestion. The compact size allows network administrators to deploy up to 32 or more 100G ports in a single 1U switch, significantly increasing network capacity without expanding rack space.

100GBASE-LR4 Standard and IEEE Compliance

The FTLC1154RDPL optical transceiver complies with IEEE 802.3ba 100GBASE-LR4 standards, ensuring interoperability with a wide range of networking equipment. The LR4 specification supports transmission distances of up to 10 kilometers over single-mode fiber, making it suitable for campus networks, metro connections, and inter-data center links.

This compliance ensures consistent performance characteristics such as wavelength range, optical power levels, receiver sensitivity, and dispersion tolerance. Adherence to industry standards simplifies deployment in heterogeneous network environments and guarantees compatibility with equipment from leading networking vendors.

Key Details of Finisar FTLC1154RDPL

Transmission Distance and Fiber Compatibility

The Finisar FTLC1154RDPL 100GBASE-LR4 QSFP28 module supports transmission distances of up to 10 kilometers over single-mode fiber. This capability makes it ideal for extended reach connectivity between buildings, data center campuses, and metropolitan network segments. The module utilizes LC duplex connectors and operates over standard G.652 single-mode fiber infrastructure.

Single-mode fiber compatibility ensures minimal signal attenuation and optimal long-distance performance. The module’s optical budget is carefully engineered to maintain reliable communication even in demanding network environments.

Optical Wavelength and Multiplexing Technology

This 100G QSFP28 LR4 transceiver employs four LAN-WDM wavelengths centered around 1295 nm to 1310 nm. By multiplexing four 25Gbps channels onto a single fiber pair, the module maximizes bandwidth efficiency while minimizing fiber requirements. The integrated wavelength division multiplexing technology reduces infrastructure costs and simplifies fiber management.

The use of LAN-WDM also ensures high signal quality and improved tolerance to dispersion, which is critical for long-distance optical transmission over single-mode fiber links.

Power Consumption and Thermal Efficiency

The Finisar FTLC1154RDPL is designed with energy efficiency in mind, typically operating within the low power envelope required for QSFP28 modules. Reduced power consumption translates into lower operational costs and improved thermal management within high-density switch environments. Efficient thermal design ensures stable performance even under continuous heavy traffic loads.

Optimized heat dissipation contributes to long-term reliability and reduces the risk of thermal-related network disruptions. This makes the module suitable for mission-critical enterprise and service provider deployments.

Applications of 100G QSFP28 LR4 Optical Transceivers

Data Center Interconnect

In modern data centers, high-speed connectivity between aggregation switches and core routers is essential to handle virtualization, cloud computing, and large-scale storage traffic. The Finisar FTLC1154RDPL 10KM 100GBASE-LR4 QSFP28 Optical Transceiver provides the bandwidth required for east-west traffic and spine-leaf architectures.

Data center interconnect applications benefit from the module’s 10-kilometer reach, allowing connectivity between geographically separated facilities. This capability supports disaster recovery strategies, load balancing, and high-availability network architectures.

Enterprise Core and Aggregation Networks

Large enterprises with distributed campuses require robust backbone connectivity to ensure seamless communication between departments and branch offices. The 100GBASE-LR4 QSFP28 transceiver supports backbone aggregation layers where high throughput and low latency are critical. It enables smooth transmission of large datasets, video conferencing streams, and cloud-based applications.

The ability to maintain stable performance over longer distances makes it suitable for multi-building enterprise networks and campus fiber backbones.

Service Provider and Metro Networks

Telecommunications providers and internet service providers depend on reliable high-speed optical modules for metro and regional network segments. The Finisar FTLC1154RDPL QSFP28 transceiver supports high-bandwidth links between central offices and aggregation nodes. Its 10KM reach aligns with many metropolitan network requirements, enabling scalable broadband services and high-capacity routing infrastructure.

Advantages of Choosing Finisar FTLC1154RDPL QSFP28 Transceiver

Proven Optical Engineering Expertise

Finisar is recognized globally for its innovation in optical communication technologies. The FTLC1154RDPL model reflects extensive research and development in photonics and high-speed networking. Its design emphasizes precision manufacturing, stringent quality control, and compliance with global optical communication standards.

This reputation ensures network operators receive a dependable solution that performs consistently in demanding environments.

Hot-Pluggable and Easy Deployment

The QSFP28 design allows hot-pluggable installation without shutting down network equipment. This simplifies maintenance and upgrades, reducing downtime and operational disruptions. Network administrators can replace or upgrade modules quickly while maintaining service continuity.

Plug-and-play functionality streamlines deployment processes, especially in large-scale data center environments where efficiency is critical.

Digital Diagnostic Monitoring Support

The Finisar FTLC1154RDPL supports digital diagnostic monitoring through the I2C interface. This feature enables real-time monitoring of parameters such as optical output power, input power, module temperature, and supply voltage. Administrators can proactively detect potential issues and maintain optimal network performance.

Advanced monitoring capabilities enhance network reliability and simplify troubleshooting in complex infrastructures.

Compatibility and Integration Considerations

Interoperability with Leading Network Equipment

The 100GBASE-LR4 QSFP28 optical transceiver is designed for interoperability with a wide range of switches and routers that support QSFP28 ports. Compatibility with major networking platforms ensures seamless integration into existing infrastructure without extensive configuration changes.

Standardized electrical and optical interfaces enable consistent performance across different vendor ecosystems.

Scalability for Future Network Expansion

Deploying Finisar FTLC1154RDPL 100G QSFP28 LR4 modules supports long-term scalability. As network traffic continues to grow due to cloud adoption, big data analytics, and IoT applications, 100G infrastructure forms a robust foundation for future expansion. These modules can coexist alongside higher-speed links in hybrid architectures, providing flexibility during phased upgrades.

Optimization in High-Speed Optical Networks

Low Latency and High Signal Integrity

The module’s advanced optical design ensures low latency and stable signal transmission. Precise laser control and receiver sensitivity contribute to reduced bit error rates and improved overall network performance. This is essential for latency-sensitive applications such as real-time analytics and financial trading platforms.

Enhanced Reliability for Mission-Critical Environments

Reliability is a key requirement in enterprise and carrier-grade networks. The FTLC1154RDPL QSFP28 100G LR4 transceiver undergoes rigorous testing to meet environmental and operational standards. Its durable construction and high-quality components ensure long service life and consistent throughput performance.

Role of 100G QSFP28 LR4 Modules in Modern IT Infrastructure

Supporting Cloud Computing and Virtualization

Cloud computing environments demand massive bandwidth to handle virtual machine migration, storage replication, and distributed workloads. The 100GBASE-LR4 QSFP28 optical transceiver supports these requirements by providing high-capacity links between servers, storage systems, and core switches. This facilitates efficient workload distribution and minimizes bottlenecks.

Enabling Big Data and High-Performance Computing

Big data analytics platforms and high-performance computing clusters rely on ultra-fast data exchange. The Finisar FTLC1154RDPL module ensures consistent high-speed connectivity, enabling faster data processing and improved computational efficiency. Its 10KM reach supports distributed computing environments across multiple facilities.