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Finisar FTLF8519P3BTL 10Gbps SFP+ short-reach optical transceiver

Finisar FTLF8519P3BTL 10Gbps SFP+ short-reach optical transceiver

Product Overview

The Finisar FTLF8519P3BTL is a high-performance 10Gbps SFP+ short-reach optical transceiver designed for data center and enterprise environments. Operating at an 850nm wavelength (VCSEL laser), it delivers reliable transmission up to 300 meters over OM3 multi-mode fiber (MMF) or 400 meters over OM4 MMF, compliant with the 10GBASE-SR standard. The BTL suffix indicates an extended commercial temperature range (0°C to +85°C), making it ideal for harsh, high-temperature environments.

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Key Specifications

Parameter	Details
Part Number	FTLF8519P3BTL
Data Rate	10.5 Gbps (10GBASE-SR, 10G Ethernet)
Wavelength	850 nm (VCSEL laser)
Transmission Distance	Up to 300m (OM3 MMF) / 400m (OM4 MMF)
Fiber Type	Multi-mode fiber (MMF, 50/125 μm)
Connector	Duplex LC
Form Factor	SFP+ (SFF-8431 compliant)
Power Supply	3.3V DC
Operating Temperature	Extended range: 0°C to +85°C
Laser Class	Class 1
Manufacturing Location	Made in Malaysia
Compliance	IEEE 802.3ae (10GBASE-SR), SFF-8431, RoHS

Compatibility & Supported Brands/Equipment

This module is 100% MSA-compliant and compatible with all major networking hardware brands that support SFP+ 10GBASE-SR interfaces, including:

1. Core Enterprise & Data Center Brands

Brand	Compatible Equipment Series
Cisco	Catalyst 3650/3850/9300, Nexus 3000/5000/7000, ASR 1000, UCS C-Series
HPE (Aruba)	Aruba 2930F/3810/5400R, HPE FlexFabric 5900/7900
Juniper Networks	QFX5100, EX4300/EX4600, MX240/MX480
Arista Networks	7050X/7060X, DCS-7050
Dell EMC (PowerSwitch)	S4048-ON, S5200, S6000, PowerEdge Servers
Huawei	CloudEngine 6800/7800, S5700/S6700, NE40E
MikroTik	CCR1009/CCR1036/CCR2004, CRS317/CRS328
Fortinet	FortiGate 600E/900D/3600E, FortiSwitch 548D/6400
Palo Alto Networks	PA-2200/PA-3200/PA-5200 Series Firewalls
Cradlepoint	5G Enterprise Routers with SFP+ uplink ports

2. Telecom & Service Provider Equipment

Nokia (Alcatel-Lucent): 7750 SR, 7250 IXR, 7360 ISAM
Ericsson: Router 6000/6500 Series
ZTE: ZXR10 5900/8900, ZXCTN 6000
NEC: UNIVERGE SV9500, IX Series Routers

3. Key Compatibility Notes

Extended Temperature Support: Engineered for operation in extreme environments, including outdoor telecom shelters, industrial networks, and high-density data centers.
Plug-and-Play: Works seamlessly with all MSA-compliant switches/routers without custom firmware.
Multi-Vendor Interoperability: Fully compliant with 10GBASE-SR standard, ensuring interoperability across different vendor equipment in the same network.

Key Features

10Gbps High-Speed Performance

Delivers line-rate 10Gbps throughput, supporting 10GBASE-SR Ethernet for high-density server and switch connections.
Short-Reach MMF Optimization

Specifically engineered for 850nm VCSEL transmission over multi-mode fiber, ideal for rack-to-rack and server-to-top-of-rack (ToR) connections within data centers.
Extended Temperature Range

Withstands 0°C to +85°C operation, making it suitable for harsh environments where standard 0-70°C modules are insufficient.
Hot-Pluggable SFP+ Design

Fully hot-swappable for tool-free installation and replacement, minimizing network downtime during maintenance or upgrades.
Digital Optical Monitoring (DOM)

Provides real-time monitoring of optical power, temperature, voltage, and laser bias current, enabling proactive network management and troubleshooting.
Carrier-Grade Reliability

Built to Finisar's telecom-grade standards, ensuring stable performance in mission-critical network environments.

Applications

High-Temperature Data Centers: Reliable 10G connectivity in densely packed server rooms or industrial data centers.
Industrial Telecom Deployments: 10G links in outdoor telecom shelters, factory automation networks, and remote sites.
Enterprise Campus Backbones: Connecting wiring closets to core switches over multi-mode fiber.
High-Density Server Connections: 10GBASE-SR links for virtualization hosts and storage area networks (SANs).

Our Services

For optical transceivers, we offer new original, high-quality compatible, and economical refurbished options to fit different project budgets. All modules go through the same strict testing process to ensure stable performance, plug-and-play compatibility, and reliable long-term operation.

Full range of options:

New original: 100% genuine, brand new, with full manufacturer quality assurance.
Compatible modules: Cost-effective, fully tested, compatible with Cisco, Huawei, Ericsson, Nokia, Juniper, HP, H3C, Arista, Dell and other major brands.
Refurbished / second-hand: Economical, functionally tested, durable for daily use.

Strict quality control: Each optical transceiver is professionally tested before shipment, including optical power, compatibility (with Cisco, Huawei, Ericsson, Nokia, etc.), DDM function, and long-duration stability testing.

Worry-free after-sales: Warranty provided; any quality-related issues under normal use are covered for return or replacement.

About Us

Skyward Telecom, also known as Skywardtel, was established in 2009. We have always adhered to the principle ofintegrity first, with a mission to help engineers, integrators, and enterprises obtain high-quality, cost-effective communication products.

Specializing in optical transceivers, telecom modules, base station equipment, and connectivity solutions, we focus on providing multi-brand compatible optical modules (Cisco, Huawei, Ericsson, Nokia, Juniper, HP, etc.) and have served clients in more than 80 countries worldwide, earning consistent market recognition for reliability, price competitiveness, and professional technical support.

FAQ

Who are we?

We are based in Guangdong, China, founded in 2009. Our products are sold to Northern Europe, Western Europe, Eastern Europe, North America, South America, Middle East, Africa, Asia, Oceania, and other global markets. We focus on optical transceivers, telecom modules, base station equipment, and communication accessories, with a professional team of 80-100 people.

How can we guarantee quality?

All optical transceivers undergo professional optical performance testing before shipment. - Compatibility verification on major brand equipment (Cisco, Huawei, Ericsson, Nokia, Juniper, HP, H3C, Arista). - 100% inspection for each module to ensure stable, error-free operation. - Strict quality control for new, compatible, and refurbished products.

What can you buy from us?

1G / 1.25G / 2.5G / 10G / 25G / 40G / 100G optical transceivers (SFP, SFP+, SFP28, QSFP+, QSFP28) - New original, compatible (Cisco/Huawei/Ericsson/Nokia compatible), and refurbished optical modules - Multi-brand compatible transceivers for base stations, switches, and data centers - Telecom accessories, fiber cables, connectors, and base station components

Why should you buy from us not from other suppliers?

Professional focus on optical transceivers and telecom equipment, with years of industry experience. - Multiple supply options: original, compatible (for major brands), refurbished. - Strict testing for every module, ensuring compatibility with Cisco, Huawei, Ericsson, Nokia, etc. - Competitive wholesale pricing and stable stock. - Global delivery, fast shipping, and professional technical support. - Integrity-based operation, trusted by customers worldwide.

What services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF, EXW, FCA, DDP Accepted Payment Currency: USD, EUR, GBP, HKD, CNY Accepted Payment Type: T/T, Credit Card, PayPal, MoneyGram Language Support: English, Chinese, Spanish, Arabic, French, Portuguese, German, Russian, Japanese, Korean, Hindi, Italian Welcome to contact us for the best bulk price and latest stock availability.

Welcome to contact us to get super surprising price

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