FTLF1436P3BCL Finisar SFP+ 25G Optical Transceiver

Product Highlights of Finisar FTLF1436P3BCL SFP+ Transceiver

The Finisar FTLF1436P3BCL represents a pinnacle of optical transceiver engineering, delivering 25 Gigabit Ethernet connectivity over single-mode fiber infrastructure with a 10-kilometer reach. As part of Finisar's esteemed portfolio of SFP+ form-factor modules, this transceiver is specifically designed to address the growing bandwidth demands of modern data centers, enterprise networks, and telecommunications backbones.

General Specifications

• Manufacturer: Finisar
• Model Number: FTLF1436P3BCL
• Product Type: Optical Transceiver Module

Technical Highlights

• Form Factor: SFP+ hot-swappable design
• Transmission Speed: 8 Gbps data throughput
• Fiber Mode: Single-mode fiber (SMF)
• Reach Capability: Up to 10 km
• Operating Wavelength: 1310 nm
• Connector Interface: Duplex LC connector

Performance Attributes

• Supports bit rates up to 25.78 Gb/s
• Hot-pluggable footprint for flexible deployment
• Integrated digital diagnostic monitoring functions
• Utilizes 1310 nm DFB laser transmitter
• RoHS-6 compliant and environmentally safe

Connectivity and Media

• Compatible with 9/125 µm single-mode fiber
• Ensures reliable transmission over extended distances
• Duplex LC interface for stable optical connections

Design and Build Quality

• Metal housing reduces electromagnetic interference (EMI)
• Compact footprint optimized for dense networking environments
• Lead-free construction for eco-friendly compliance

Power and Environmental Conditions

• Operates on a single 3.3V power supply
• Commercial temperature range: 0°C to 70°C
• Low power consumption for efficient performance

Finisar FTLF1436P3BCL SFP+ Transceiver Module

The Finisar FTLF1436P3BCL 25GBase-LR Single-Mode Fiber SFP+ Transceiver Module is engineered to deliver reliable, high-speed optical connectivity across long-distance network infrastructures. Designed for enterprise, telecommunications, cloud computing, and data center environments, this optical transceiver supports 25 Gigabit Ethernet transmission over single-mode fiber links with distances reaching up to 10 kilometers. Featuring a 1310nm laser wavelength and duplex LC optical interface, the module provides a highly efficient solution for organizations requiring scalable bandwidth, low latency communication, and dependable network performance.

As modern networking environments continue to evolve toward higher bandwidth requirements, the Finisar FTLF1436P3BCL provides a practical migration path from legacy 10GbE deployments to advanced 25GbE infrastructures. The transceiver combines compact form factor advantages with exceptional optical performance, making it suitable for aggregation switches, top-of-rack networking, enterprise core networks, and cloud-scale data center architectures.

Designed for 25 Gigabit Ethernet Connectivity

The Finisar FTLF1436P3BCL is optimized for 25GBase-LR applications where high throughput and reliable long-distance communication are essential. Operating at data rates up to 25.78Gbps, the transceiver supports modern Ethernet standards while delivering consistent signal integrity across extensive fiber runs.

Compared with traditional 10 Gigabit networking technologies, 25 Gigabit Ethernet offers significantly improved bandwidth efficiency while utilizing a similar infrastructure footprint. This allows organizations to maximize switch port density and reduce overall network complexity while achieving greater performance.

Enhanced Bandwidth Efficiency

The increased throughput provided by 25G technology enables organizations to support bandwidth-intensive applications such as virtualization, cloud computing, software-defined networking, artificial intelligence workloads, distributed storage systems, and high-performance computing environments. The Finisar FTLF1436P3BCL facilitates these applications through dependable optical transmission and optimized signal processing.

Scalable Infrastructure Deployment

Organizations deploying scalable data center architectures benefit from the module's ability to support expanding workloads without requiring significant modifications to existing fiber infrastructure. The 25GBase-LR specification enables straightforward scalability while maintaining network consistency and operational efficiency.

Single-Mode Fiber Technology

One of the defining characteristics of the Finisar FTLF1436P3BCL transceiver is its support for single-mode fiber communication. Single-mode fiber technology is specifically designed for long-distance transmission by allowing optical signals to travel through a narrow core with minimal dispersion and attenuation.

The module supports transmission distances of up to 10 kilometers, making it suitable for inter-building connectivity, campus networking, metropolitan access networks, enterprise backbone infrastructure, and distributed data center deployments.

Advantages of Single-Mode Optical Transmission

Single-mode fiber provides superior transmission performance compared with multimode alternatives when long-distance communication is required. The reduced modal dispersion ensures that optical signals maintain integrity across extended distances, allowing higher bandwidth operation and more reliable data delivery.

The Finisar FTLF1436P3BCL leverages these characteristics to provide stable connectivity even in demanding networking environments where uptime and performance are critical operational requirements.

Reduced Signal Loss

Optical attenuation remains minimal over long distances, allowing the transceiver to maintain strong signal levels while reducing the need for intermediate amplification equipment. This contributes to lower deployment costs and simplified network architectures.

1310nm Optical Wavelength Optimization

The module operates using a 1310nm optical wavelength, which is widely recognized as an industry-standard transmission window for long-reach single-mode optical communication. This wavelength offers an excellent balance between attenuation performance and optical component efficiency.

The use of 1310nm technology enables reliable transmission over extended distances while maintaining signal quality and minimizing optical impairments that could affect network performance.

Optimized Signal Integrity

Operating at 1310nm allows the transceiver to achieve stable optical performance across various deployment environments. This wavelength range minimizes chromatic dispersion effects commonly associated with long-distance optical transmission and contributes to consistent communication reliability.

Stable Long-Distance Performance

The optical characteristics of the 1310nm wavelength support dependable transmission across 10-kilometer links while maintaining compliance with Ethernet networking standards. Organizations benefit from predictable network behavior and reduced transmission errors.

Compatibility with Existing Infrastructure

Many enterprise and service provider optical networks are built around 1310nm transmission technologies. The Finisar FTLF1436P3BCL integrates seamlessly into these environments, simplifying deployment and infrastructure expansion projects.

Duplex LC Connector Architecture

The Finisar FTLF1436P3BCL incorporates a duplex LC optical connector interface, providing separate transmit and receive optical paths. The LC connector remains one of the most widely adopted optical connectivity standards within enterprise and data center environments due to its compact design and dependable performance.

High-Density Network Deployments

The small form factor of LC connectors supports high-density switch and router installations where maximizing port utilization is a key objective. Network administrators can deploy large numbers of optical connections while preserving valuable rack space and maintaining organized cable management practices.

Secure Optical Connections

The duplex LC interface ensures secure fiber attachment and stable optical alignment, helping maintain consistent signal transmission and reducing the risk of accidental disconnections during routine maintenance procedures.

SFP+ Form Factor Benefits

The SFP+ form factor provides a compact, hot-swappable solution for high-speed optical networking applications. The Finisar FTLF1436P3BCL utilizes this industry-standard design to ensure compatibility with a broad range of networking platforms and equipment vendors.

Compact Design for Modern Networks

Data centers and enterprise networking environments increasingly require high port densities to support growing traffic demands. The compact dimensions of the SFP+ form factor allow network equipment manufacturers to maximize interface counts without increasing hardware footprints.

Efficient Space Utilization

The reduced size of the transceiver contributes to more efficient rack utilization and improved airflow management within network cabinets and equipment rooms.

Data Center Connectivity Applications

The Finisar FTLF1436P3BCL is particularly well suited for modern data center deployments where high-speed connectivity and long-distance optical communication are essential. Data center operators require reliable network infrastructure capable of supporting massive volumes of east-west and north-south traffic.

Leaf-Spine Architecture Support

Many contemporary data centers utilize leaf-spine networking architectures to provide low-latency communication between servers, storage resources, and application platforms. The transceiver supports these environments by delivering high-performance optical links between network layers.

Server Aggregation Networks

The module enables efficient aggregation of server traffic into high-capacity switching infrastructures. Its 25GbE capability provides sufficient bandwidth for modern virtualization clusters, cloud services, and application hosting environments.

Storage Network Integration

High-performance storage environments benefit from the module's low-latency optical communication capabilities. Reliable connectivity supports rapid data access, replication processes, backup operations, and storage virtualization initiatives.

Enterprise Network Infrastructure Deployment

Enterprise organizations frequently require secure, high-bandwidth communication between buildings, campuses, branch locations, and centralized data centers. The Finisar FTLF1436P3BCL provides a practical solution for these connectivity requirements through its long-reach optical capabilities.

Campus Backbone Connectivity

Large educational institutions, healthcare facilities, government organizations, and corporate campuses often deploy fiber backbone networks spanning multiple locations. The transceiver supports these environments by enabling high-speed communication across extended distances.

Centralized Resource Access

Organizations can centralize applications, storage systems, and computing resources while providing efficient access across geographically dispersed locations connected through optical infrastructure.

Optical Performance Characteristics

The Finisar FTLF1436P3BCL is engineered to deliver exceptional optical performance under demanding operational conditions. Precision optical components and advanced manufacturing processes contribute to reliable signal transmission and long-term operational stability.

High Receiver Sensitivity

The transceiver incorporates advanced optical receiver technology capable of accurately detecting incoming optical signals even after transmission across long-distance fiber links. Enhanced sensitivity supports improved network reliability and reduced packet loss.

Reliable Signal Detection

Accurate signal interpretation helps maintain communication integrity while minimizing transmission errors that could impact application performance.

Stable Data Throughput

Consistent optical reception contributes to predictable bandwidth availability and dependable network operation across diverse deployment scenarios.

Energy-Efficient Network Operation

Energy efficiency remains an important consideration in modern networking environments. The Finisar FTLF1436P3BCL is designed to provide high-performance optical communication while maintaining efficient power utilization.

Reduced Power Consumption

Optimized optical components and efficient electronic circuitry help minimize energy requirements while sustaining full operational performance. Lower power consumption contributes to reduced operating costs and improved sustainability initiatives.

Data Center Efficiency Benefits

Large-scale deployments involving hundreds or thousands of optical interfaces benefit significantly from efficient power management. Reduced energy consumption can lower cooling requirements and improve overall infrastructure efficiency.

Thermal Performance Optimization

Efficient power utilization supports lower operating temperatures, contributing to improved equipment reliability and extended service life.

Compatibility with Modern Networking Equipment

The Finisar FTLF1436P3BCL is intended for integration with compatible switches, routers, network interface cards, security appliances, and optical transport equipment supporting SFP+ transceiver technology. Its standards-based design simplifies deployment within diverse networking ecosystems.

Switch and Router Integration

The module can be deployed within enterprise switching platforms, aggregation devices, distribution layer infrastructure, and service provider networking equipment requiring 25GbE optical connectivity.

Flexible Network Expansion

Organizations can expand network capacity while leveraging existing optical infrastructure investments. The transceiver supports scalable growth strategies without introducing unnecessary complexity.

Seamless Infrastructure Modernization

As network requirements evolve, the Finisar FTLF1436P3BCL provides a reliable foundation for upgrading connectivity speeds while preserving compatibility with established fiber cabling environments and structured network architectures.