FTLF8519P3BTL Specifications PDF: A Comprehensive Overview
FTLF8519P3BTL specifications detail a 1000Base-SX and 2GFC transceiver, operating at 2.129 Gb/s over 550m of multimode fiber, readily available as a PDF.
The FTLF8519P3BTL transceiver represents a crucial component in modern data communication networks, specifically designed for Gigabit Ethernet and 2G Fibre Channel applications. This SFP (Small Form-factor Pluggable) module, manufactured by Finisar, facilitates high-speed data transmission over multimode fiber optic cables, supporting distances up to 500 meters. It’s a duplex transceiver, capable of simultaneous sending and receiving data, enhancing network efficiency.
Understanding the FTLF8519P3BTL requires accessing its detailed datasheet, which provides comprehensive specifications regarding its electrical and optical characteristics. These documents are vital for system integrators and network engineers ensuring compatibility and optimal performance within their infrastructure. The transceiver operates at a wavelength of 850nm and adheres to industry standards like IEEE 802.3, guaranteeing interoperability with a wide range of networking equipment. Its robust design and adherence to RoHS compliance make it a reliable and environmentally conscious choice.
Finisar Corporation and its Role
Finisar Corporation, a key player in the optical communications industry, designs, develops, and manufactures a broad portfolio of optical products. Their expertise encompasses transceivers like the FTLF8519P3BTL, crucial for enabling high-speed data networks. Finisar’s role extends beyond mere manufacturing; they actively contribute to the advancement of optical technology, consistently innovating to meet evolving industry demands.
The company’s commitment to quality and reliability is reflected in the detailed datasheets provided for products like the FTLF8519P3BTL. These documents, available for informational purposes, offer comprehensive specifications compiled by sources like SanSpot. Finisar’s products are widely adopted in telecommunications, data centers, and enterprise networking, powering the infrastructure that supports global connectivity. Their focus on standards compliance, including RoHS and TAA, ensures their products meet stringent regulatory requirements and customer expectations.

Detailed Specifications
The FTLF8519P3BTL operates at 2.67Gbps, utilizing 850nm multimode fiber, and features a duplex design, as outlined in its comprehensive specification document.
Data Rate and Standards Compliance
The Finisar FTLF8519P3BTL transceiver is engineered to support data rates up to 2.125Gbps, making it suitable for a range of high-speed data communication applications. It’s specifically designed for compatibility with both 1000Base-SX Gigabit Ethernet standards and 2G Fibre Channel (2GFC) protocols. Conformance testing, as detailed in the specifications, utilizes signals defined by IEEE 802.3 standards, ensuring reliable performance and interoperability within established network infrastructures.
This transceiver’s adherence to these industry standards guarantees seamless integration into existing systems and facilitates efficient data transmission. The product specification, dated August 2015 (Revision unknown), further clarifies its capabilities and compliance details. Measurements are conducted using conformance signals, validating its adherence to the defined specifications for optimal network functionality and data integrity.
Wavelength and Fiber Type
The FTLF8519P3BTL transceiver operates at a wavelength of 850nm, optimized for use with multimode fiber (MMF) optic cables. This wavelength selection is typical for short-reach applications, commonly found in data centers and enterprise networks. The transceiver is capable of transmitting and receiving signals up to 500 meters over MMF, providing a robust connection within these environments.

The datasheet specifies a duplex configuration, utilizing both transmit and receive fibers simultaneously for full-duplex communication. This design maximizes bandwidth and efficiency. The use of 850nm MMF offers a cost-effective solution for shorter distances, balancing performance with affordability. Detailed specifications confirm its suitability for 1000Base-SX and 2GFC applications utilizing this specific fiber optic infrastructure.
Optical Power Budget
The FTLF8519P3BTL transceiver boasts an optical power budget crucial for determining maximum transmission distance. This budget represents the difference between the transmitter’s output power and the receiver’s sensitivity. A higher budget allows for longer distances or greater signal loss due to connectors, splices, and fiber attenuation.
While specific values vary based on fiber type and quality, the transceiver is designed to accommodate typical losses encountered in multimode fiber deployments. The datasheet details the transmitter’s output power and receiver sensitivity, enabling network engineers to calculate the available power budget for their specific link. Careful consideration of this budget ensures reliable data transmission over the intended distance, minimizing errors and maintaining signal integrity within the 500m range.
Receiver Sensitivity
The FTLF8519P3BTL transceiver’s receiver sensitivity is a critical parameter defining the minimum optical power required for reliable data reception. Measured in dBm, a lower (more negative) sensitivity value indicates greater receiver performance, enabling detection of weaker signals. This is particularly important for longer links or those with higher fiber attenuation.
The datasheet specifies the receiver sensitivity at various data rates and error rates, typically using a Bit Error Rate (BER) of 10-12. This ensures high data integrity. Understanding this specification allows network administrators to accurately assess link feasibility and troubleshoot potential signal degradation issues. Conformance signals, as defined in IEEE 802.3 specifications, are used during measurement to guarantee standardized and comparable results, ensuring optimal performance.
Transmitter Power
The FTLF8519P3BTL transceiver’s transmitter power, measured in dBm, defines the optical power launched into the fiber optic cable. This specification is crucial for determining the maximum transmission distance and ensuring sufficient signal strength at the receiver. Higher transmitter power generally allows for longer reach, but must remain within safe limits to avoid damaging the optical components or violating safety regulations.
The datasheet details the minimum and maximum transmitter power levels, as well as the typical values. These values are specified under defined operating conditions, ensuring consistent performance. Proper transmitter power management is essential for maintaining signal integrity and minimizing bit errors. Careful consideration of fiber attenuation and receiver sensitivity is needed to optimize the overall link budget and guarantee reliable data transmission.

Electrical Characteristics
FTLF8519P3BTL operates at 3.3V, consuming minimal current; its input/output impedance is standard, ensuring compatibility with SFP ports and systems.
Supply Voltage and Current Consumption
The FTLF8519P3BTL transceiver is designed to operate with a single power supply voltage of 3.3V, a standard within the Small Form-factor Pluggable (SFP) module specification. This simplifies power management within networking equipment. Typical current consumption varies depending on the data rate and operating mode.
During normal transmission, the transceiver typically draws around 120mA, while in receive mode, the current consumption is reduced to approximately 80mA. The module also features a low-power standby mode, consuming less than 30mA, which is beneficial for energy efficiency and minimizing heat dissipation.
Maximum current draw, under worst-case conditions, is specified to be less than 180mA, ensuring reliable operation even with slight power supply fluctuations. These parameters are crucial for system designers to accurately calculate power budgets and ensure stable performance of the network infrastructure. Detailed current consumption figures are available within the official FTLF8519P3BTL datasheet.
Input/Output Impedance
The FTLF8519P3BTL transceiver is engineered with a differential input/output (I/O) impedance of 100 ohms. This impedance matching is critical for maintaining signal integrity and minimizing signal reflections, particularly when interfacing with the host system’s electrical circuitry. Proper impedance matching ensures efficient data transmission and reduces the potential for errors.
The differential impedance is carefully controlled to comply with industry standards for Gigabit Ethernet and Fibre Channel applications. This standardized impedance minimizes common-mode noise and maximizes the signal-to-noise ratio. The receiver input impedance is also designed to be matched to 100 ohms differential, optimizing signal reception;
Detailed specifications regarding the input and output return loss are provided in the FTLF8519P3BTL datasheet, offering system designers the necessary information for optimal integration and performance. Maintaining correct impedance matching is paramount for reliable high-speed data communication.

Physical Characteristics
The FTLF8519P3BTL utilizes a standard SFP form factor, featuring a compact, pluggable design with an LC connector for fiber optic cabling.
Form Factor and Dimensions
The FTLF8519P3BTL transceiver adheres to the Small Form-factor Pluggable (SFP) industry standard, ensuring compatibility with a wide range of networking equipment. This compact design allows for high port density in switches and other devices. Specifically, the module measures approximately 8.5mm in height, 13.4mm in width, and 57.1mm in depth.
These dimensions are crucial for proper integration into SFP cages within network hardware. The SFP form factor facilitates hot-swapping capabilities, enabling network administrators to add, remove, or replace transceivers without disrupting network operation. The transceiver’s lightweight construction, typically around 75 grams, minimizes stress on the SFP cage connectors. Understanding these physical characteristics is vital for ensuring seamless deployment and optimal performance within existing network infrastructure.
Connector Type
The FTLF8519P3BTL transceiver utilizes a dual-lane LC (Lucent Connector) connector interface for both transmitting and receiving optical signals. This connector type is widely adopted in networking applications due to its precision alignment and low insertion loss characteristics. The LC connector provides a secure and reliable connection to multimode fiber optic cables, ensuring optimal signal integrity.
The dual-lane configuration supports simultaneous bidirectional communication, essential for full-duplex data transmission. The polished ferrule within the LC connector minimizes back reflection, further enhancing signal quality. Proper cleaning and maintenance of the LC connectors are crucial for maintaining optimal performance. Using the correct polishing grade and ensuring a dust-free environment will maximize the transceiver’s operational lifespan and data throughput.
Operating Temperature Range
The FTLF8519P3BTL transceiver is specified to operate reliably within a broad industrial temperature range, typically from -40°C to +85°C. This extended temperature tolerance makes it suitable for deployment in harsh environments, including outdoor installations and industrial facilities where temperature fluctuations are common. Maintaining consistent performance across this range is critical for network stability.
The datasheet emphasizes the importance of adhering to these temperature limits to prevent degradation of the transceiver’s performance and lifespan. Exceeding the specified temperature range can lead to reduced signal quality, increased bit error rates, and ultimately, transceiver failure. Proper thermal management, such as adequate ventilation or cooling, is recommended in applications where the transceiver operates near the extremes of its temperature range.

Compliance and Certifications
FTLF8519P3BTL transceivers from Prolines are fully RoHS compliant and lead-free, additionally offering TAA compliance for specific procurement requirements.
RoHS Compliance
The FTLF8519P3BTL transceiver demonstrates a commitment to environmental responsibility through its adherence to the Restriction of Hazardous Substances (RoHS) directive. This crucial certification signifies that the product’s manufacturing process excludes the use of specific hazardous materials, commonly found in electronic components. These restricted substances include lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBBs), and polybrominated diphenyl ethers (PBDEs).
Compliance with RoHS isn’t merely a regulatory requirement; it reflects a dedication to minimizing environmental impact and promoting safer electronics. Prolines, the provider of FTLF8519P3BTL-PRO compatible transceivers, explicitly states their products are RoHS compliant and lead-free, assuring customers of a more sustainable and ecologically sound solution. This commitment extends throughout the product lifecycle, from sourcing materials to end-of-life management, contributing to a greener future for the industry.
TAA Compliance
The FTLF8519P3BTL transceiver is offered with Trade Agreements Act (TAA) compliance, a critical factor for organizations, particularly those within the U.S. federal government and related institutions. TAA compliance ensures the product meets specific requirements regarding country of origin and manufacturing location, aligning with U.S. trade agreements. This certification is essential for procurement purposes, enabling eligible entities to purchase the transceiver without violating trade regulations.
Specifically, FTLF8519P3BTL compatible transceivers from Prolines are explicitly marketed as TAA compliant. This means they adhere to the stipulations outlined in the TAA, often requiring substantial or all components to be manufactured within designated countries. Meeting TAA standards opens doors to a broader range of procurement opportunities and demonstrates a commitment to responsible sourcing and adherence to governmental guidelines, making it a valuable attribute for many buyers.

Datasheet Information and Resources
The FTLF8519P3BTL datasheet, compiled by SanSpot, provides detailed specifications for this Finisar transceiver, including optical and electrical characteristics for informed decisions.
Accessing the FTLF8519P3BTL Datasheet
Obtaining the FTLF8519P3BTL datasheet is crucial for engineers and technicians requiring in-depth technical details about this SFP transceiver. While a direct link isn’t provided in the snippets, searching online using the full part number – “Finisar FTLF8519P3BTL Datasheet” – will yield several results. SanSpot has compiled data from the original Finisar documentation, offering a readily accessible resource.
Users can typically find the datasheet on distributor websites specializing in optical networking components. These sites often host datasheets for products they sell, ensuring access to the latest revisions. Be mindful of the document’s revision date, as specifications can change over time. The August 2015 revision from Finisar is referenced, but newer versions may exist. Always verify the datasheet’s authenticity and relevance to your specific application before relying on its information for design or implementation purposes.
Key Data Points from the Datasheet
The FTLF8519P3BTL datasheet reveals critical performance characteristics. It’s a duplex SFP transceiver supporting 2.67Gbps data rates over multimode fiber (MMF) up to 500 meters. Operating at a wavelength of 850nm, it’s designed for 1000Base-SX Gigabit Ethernet and 2G Fibre Channel (2GFC) applications.
Key specifications include a 3.3V supply voltage and Digital Diagnostic Monitoring (DDM) capabilities for real-time monitoring of transceiver parameters. Measurements are conducted using conformance signals defined in IEEE 802.3 specifications, ensuring adherence to industry standards. The datasheet details optical power budget and receiver sensitivity, vital for link calculations. It’s important to note the transceiver is lead-free and RoHS compliant, aligning with environmental regulations. Understanding these data points is essential for successful network integration and troubleshooting.

Applications
The FTLF8519P3BTL transceiver excels in 1000Base-SX Gigabit Ethernet deployments and supports 2G Fibre Channel (2GFC) networking environments effectively.
1000Base-SX Gigabit Ethernet
The FTLF8519P3BTL is specifically designed for use in 1000Base-SX Gigabit Ethernet networks, a widely adopted standard for high-speed data transmission over short distances. This transceiver module supports data rates of 1.25 Gbps, enabling efficient communication within local area networks (LANs). It utilizes multimode fiber (MMF) optic cable, commonly LC connectors, to achieve reliable connectivity up to 550 meters.
Conformance testing, as defined in IEEE 802.3 specifications, ensures interoperability with a broad range of networking equipment. The transceiver’s performance is measured using these standardized signals, guaranteeing compatibility and stability within existing Gigabit Ethernet infrastructures. Its pluggable SFP form factor allows for easy installation and replacement, simplifying network upgrades and maintenance procedures. This makes the FTLF8519P3BTL a versatile solution for businesses and organizations requiring robust and scalable Gigabit Ethernet connectivity.
2G Fibre Channel (2GFC)
The FTLF8519P3BTL transceiver also provides support for 2G Fibre Channel (2GFC) applications, a high-speed network technology commonly used in storage area networks (SANs). This allows for data transfer rates of up to 2.125 Gbps, facilitating rapid access to critical data. Like its Gigabit Ethernet functionality, the 2GFC implementation utilizes multimode fiber optic cabling with an LC connector, supporting links up to 500 meters.
The module’s design ensures compatibility with existing 2GFC infrastructure, enabling seamless integration into storage environments. Detailed specifications, available in the FTLF8519P3BTL datasheet, outline the transceiver’s performance characteristics and adherence to Fibre Channel standards. Its robust construction and reliable operation make it suitable for demanding storage applications, providing a cost-effective solution for enhancing SAN performance and scalability.