FTLF8519P2BNL Finisar 1000base-sx SFP Transceiver Module - 1 x 1000base-sx

The Finisar FTLF8519P2BNL SFP Transceiver Module is designed to provide high-speed data transfer for your networking needs. With a data transfer rate of 1 x 1000base-sx, this transceiver module ensures fast and efficient communication between devices.

General Information

• Manufacturer: Finisar
• Part Number: FTLF8519P2BNL
• Device Type: Transceiver Module

Technical Highlights

• Compact SFP footprint for versatile deployment
• Engineered for Gigabit Ethernet connectivity
• Equipped with 1 x LC Duplex port
• Supports 1000Base-SX standard for reliable data transfer

Media & Performance

• Compatible with 50/125 µm multimode fiber
• Also supports 62.5/125 µm multimode fiber

Networking Standards

• Optimized for Gigabit Ethernet applications
• Designed to deliver 1000Base-SX network technology

Form Factor

• Hot-pluggable design for quick installation and replacement
• Compact build ensures space-efficient integration

Usage Scenarios

• Ideal for data networking environments
• Suited for optical communication systems

Finisar FTLF8519P2BNL Multi-Mode Fiber Transceiver Module

The Finisar FTLF8519P2BNL is a high-performance Small Form-Factor Pluggable (SFP) optical transceiver module engineered for Gigabit Ethernet and Fiber Channel networking environments requiring reliable short-range optical connectivity. Designed to operate over multi-mode fiber infrastructure, this transceiver supports data transmission rates up to 2.125Gbps while utilizing an 850nm VCSEL laser source and duplex LC optical interface. The module is optimized for enterprise networking, storage area networks, campus backbones, data center interconnects, and mission-critical communication systems where consistent throughput and signal integrity are essential.

Advanced Optical Networking Architecture

The FTLF8519P2BNL transceiver is built around industry-standard optical networking technologies that enable seamless integration into a wide range of networking equipment. The module utilizes a compact SFP form factor, allowing network administrators to maximize port density while maintaining flexibility for upgrades and maintenance operations. Its hot-pluggable design enables insertion and removal without shutting down network equipment, minimizing downtime and simplifying deployment.

By employing an 850nm Vertical Cavity Surface Emitting Laser (VCSEL) transmitter, the module delivers efficient optical performance with low power consumption. The optical receiver is designed to maintain signal quality across supported transmission distances, helping ensure stable communication between connected devices.

1000Base-SX Gigabit Ethernet

One of the primary applications of the Finisar FTLF8519P2BNL is 1000Base-SX Gigabit Ethernet networking. This optical standard is widely used in enterprise LAN environments where high-speed communication between switches, routers, servers, and network appliances is required. The module enables Gigabit Ethernet connectivity over multi-mode fiber cabling, providing significantly greater distance capabilities compared to traditional copper-based Ethernet connections.

The 1000Base-SX standard leverages short-wavelength laser technology operating at 850nm, making it ideal for intra-building communications, campus environments, and data center deployments. The transceiver ensures compatibility with standard Gigabit Ethernet implementations while maintaining dependable optical performance.

Fiber Channel Applications

In addition to Ethernet networking, the FTLF8519P2BNL supports Fiber Channel applications up to 2.125Gbps. This capability makes the module suitable for storage networking infrastructures that require low-latency communication between servers and storage resources. Fiber Channel environments benefit from the module’s reliable optical transmission characteristics and stable signal delivery.

Storage Area Networks frequently require consistent performance under demanding workloads. The transceiver’s optical design contributes to maintaining data integrity while supporting continuous storage traffic generated by enterprise applications, virtualization platforms, backup systems, and database operations.

Multi-Rate Performance Capabilities

The module supports multiple operating speeds, allowing it to function across diverse networking environments. This flexibility enables organizations to deploy the transceiver in systems operating at various data rates without sacrificing interoperability. Multi-rate support simplifies infrastructure planning and helps extend the useful lifespan of networking equipment.

Whether deployed in Gigabit Ethernet networks or Fiber Channel storage environments, the transceiver delivers dependable performance while meeting stringent networking requirements.

850nm VCSEL Technology

Efficient Optical Signal Generation

The Finisar FTLF8519P2BNL utilizes advanced VCSEL technology to generate optical signals. VCSEL lasers are widely recognized for their efficiency, reliability, and suitability for short-range optical communication applications. Their compact design contributes to reduced power consumption while maintaining strong optical output characteristics.

VCSEL-based transmitters are commonly preferred in enterprise and data center deployments due to their proven operational stability and ability to support high-speed communication across multi-mode fiber links.

Benefits of VCSEL-Based Transmission

VCSEL technology offers several operational advantages within optical networking infrastructures. The laser architecture supports efficient modulation characteristics, helping maintain signal quality across supported distances. This enables reliable communication while reducing operational complexity.

The laser source contributes to consistent network performance, making the transceiver suitable for continuous operation in demanding enterprise environments where uptime and reliability are critical considerations.

Optimized for Multi-Mode Fiber Infrastructure

The transceiver is specifically designed for operation over multi-mode fiber cabling systems. Multi-mode fiber remains a widely deployed medium in enterprise networks, data centers, educational institutions, healthcare facilities, and government environments due to its cost-effectiveness and support for high-speed communications over moderate distances.

By leveraging existing multi-mode fiber infrastructure, organizations can deploy the FTLF8519P2BNL without requiring extensive cabling upgrades, thereby reducing implementation costs and accelerating deployment timelines.

500-Meter Transmission Distance Capability

Extended Reach over Multi-Mode Fiber

The Finisar FTLF8519P2BNL supports transmission distances of up to 500 meters over suitable multi-mode fiber cabling. This reach capability makes the module an excellent solution for interconnecting equipment across enterprise campuses, office buildings, server rooms, and network distribution centers.

The ability to maintain signal quality across extended distances helps organizations establish reliable network connectivity between geographically separated infrastructure components while preserving network performance standards.

Campus Network Connectivity

Campus environments often require communication links between multiple buildings and network closets. The 500-meter reach capability of the transceiver allows administrators to establish robust optical connections without relying on intermediate networking equipment.

This simplifies network architecture while reducing potential points of failure and supporting streamlined network management strategies.

Data Center Interconnect Applications

Modern data centers frequently require optical links between server racks, aggregation switches, storage systems, and network core infrastructure. The FTLF8519P2BNL provides the transmission distance necessary to support these connections while maintaining efficient utilization of available fiber resources.

Duplex LC Optical Connector Interface

Industry-Standard Connectivity

The module incorporates a duplex LC optical connector interface, one of the most widely adopted connector standards in modern optical networking. LC connectors provide compact dimensions while supporting reliable optical alignment and low insertion loss characteristics.

The duplex configuration enables simultaneous transmission and reception of optical signals, facilitating full-duplex communication between connected devices.

Space-Efficient

LC connectors are considerably smaller than many legacy fiber connector formats. Their compact footprint supports higher port densities on networking equipment, enabling organizations to maximize available rack space while expanding network capacity.

The reduced connector size is particularly beneficial in high-density switching environments where efficient utilization of physical infrastructure is essential.

Reliable Optical Mating Performance

The connector interface is engineered to provide secure and consistent optical coupling. Reliable mating performance contributes to reduced signal loss and improved network stability, supporting long-term operational reliability across enterprise deployments.

Small Form-Factor Pluggable Design Advantages

High-Density Networking

The SFP form factor enables networking equipment manufacturers to design systems with high port densities while maintaining compact chassis dimensions. The Finisar FTLF8519P2BNL fully leverages these advantages, allowing organizations to expand optical connectivity without increasing rack space requirements.

High-density optical deployments are particularly important in modern enterprise networks where scalability and efficient resource utilization are critical operational objectives.

Hot-Pluggable Functionality

Hot-pluggable capability allows administrators to install, replace, or upgrade transceivers while networking equipment remains operational. This feature minimizes service disruptions and supports continuous network availability.

Maintenance procedures become significantly more efficient when transceivers can be exchanged without requiring equipment shutdowns or extensive reconfiguration processes.

Reduced Downtime During Upgrades

Network upgrades frequently involve replacing optical modules to accommodate changing connectivity requirements. The hot-swappable design of the FTLF8519P2BNL streamlines these procedures while helping organizations maintain business continuity.

Enterprise Network Deployment Scenarios

Core Network Infrastructure

The Finisar FTLF8519P2BNL is suitable for deployment within core networking environments where dependable Gigabit connectivity is required. Core switches, distribution switches, and routing platforms benefit from the module’s optical performance characteristics and interoperability capabilities.

Reliable optical communication at the network core contributes to efficient data flow throughout the organization while supporting mission-critical applications and services.

Server Connectivity Applications

Enterprise servers often require high-bandwidth optical connections to aggregation switches and network backbones. The transceiver provides the performance necessary to support server communication workloads while maintaining consistent network responsiveness.

Applications including virtualization, cloud computing, database services, and enterprise software platforms benefit from the stable connectivity enabled by optical networking technologies.

Storage Networking Environments

Storage infrastructures depend upon reliable communication between storage arrays, switches, and host systems. The Fiber Channel compatibility of the FTLF8519P2BNL makes it an effective solution for supporting storage traffic while maintaining data integrity and predictable performance characteristics.

Operational Reliability and Stability

Designed for Continuous Operation

The Finisar FTLF8519P2BNL is engineered for sustained operation in professional networking environments. Enterprise networks frequently operate around the clock, requiring components capable of delivering consistent performance over extended periods.

The module's optical and electronic subsystems are designed to maintain stable operation under demanding workloads, helping organizations achieve their network availability objectives.

Consistent Signal Integrity

Signal integrity remains a fundamental requirement for successful optical communications. The transceiver incorporates design elements that help preserve optical signal quality across supported transmission distances. Stable signal characteristics contribute to reliable data transfer and reduced communication errors.

Environmental Compatibility

Enterprise networking equipment is often deployed within controlled data center and telecommunications environments. The transceiver is designed to operate effectively within standard environmental conditions typically encountered in these professional installations, ensuring dependable performance across a broad range of deployment scenarios.

Interoperability and Standards Compliance

Standards-Based Networking

The FTLF8519P2BNL is developed to support established networking standards, enabling interoperability with compatible networking equipment from various manufacturers. Standards compliance helps simplify network integration and supports predictable deployment outcomes.

Organizations can confidently incorporate the module into existing infrastructures while maintaining compatibility with standard optical networking architectures.

Simplified Network Integration

Interoperability is a critical consideration when deploying optical networking components. The module's adherence to established SFP and networking standards facilitates straightforward integration into enterprise switches, routers, storage systems, and telecommunications equipment.

Flexible Infrastructure Expansion

As networking requirements evolve, organizations require scalable solutions that can adapt to changing demands. The Finisar FTLF8519P2BNL supports infrastructure growth by providing dependable optical connectivity within established multi-mode fiber environments. Its combination of Gigabit Ethernet support, Fiber Channel compatibility, 850nm VCSEL technology, duplex LC connectivity, 500-meter transmission reach, and hot-pluggable SFP architecture makes it a valuable component for enterprise networking, storage networking, campus connectivity, and data center applications requiring reliable short-range optical communication.