Finisar FTL4E1QE1C 40Gbps QSFP+ extended-reach optical transceiver
Product Overview
The Finisar FTL4E1QE1C is a high-performance 40Gbps QSFP+ extended-reach optical transceiver designed for long-haul single-mode fiber (SMF) applications. Operating under the 40GBASE-ER4 standard, it uses four LAN-WDM channels centered at 1310nm to deliver reliable transmission up to 40 kilometers over standard single-mode fiber. This hot-pluggable module is optimized for metro, regional, and long-haul network deployments.
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Key Specifications
| Parameter | Details |
|---|---|
| Part Number | FTL4E1QE1C |
| Data Rate | 40 Gbps (40GBASE-ER4, 4x10G lanes) |
| Wavelength | 1310nm LAN-WDM (four parallel channels) |
| Transmission Distance | Up to 40 km over single-mode fiber (SMF, 9/125 μm) |
| Fiber Type | Single-mode fiber (SMF) |
| Connector | Duplex LC |
| Form Factor | QSFP+ (SFF-8436 compliant) |
| Power Supply | 3.3V DC |
| Operating Temperature | Commercial grade (0°C to +70°C) |
| Laser Class | Class 1 |
| Manufacturing Location | Made in Malaysia |
| Compliance | IEEE 802.3ba-2010 (40GBASE-ER4), SFF-8436, RoHS |
Key Features
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40Gbps Long-Haul Performance
Delivers line-rate 40Gbps throughput over 40km SMF, supporting 40GBASE-ER4 Ethernet for metro, regional, and long-haul network connections.
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LAN-WDM 1310nm Optimization
Uses four low-loss 1310nm LAN-WDM channels to minimize signal attenuation over 40km single-mode fiber links, ideal for extended-reach deployments.
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Hot-Pluggable QSFP+ Form Factor
Fully hot-swappable for tool-free installation and replacement, minimizing network downtime during maintenance or upgrades.
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Digital Optical Monitoring (DOM)
Provides real-time monitoring of optical power, temperature, voltage, and laser bias current for each channel, enabling proactive network management and troubleshooting.
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Carrier-Grade Reliability
Built to Finisar's telecom-grade standards, ensuring stable performance in mission-critical service provider and enterprise network environments.
Applications
- Metro and Regional Data Center Interconnects (DCI): 40G links between geographically dispersed data centers over 40km single-mode fiber.
- Service Provider Long-Haul Networks: Extending 40G Ethernet services to remote customer sites across cities or regions.
- Enterprise Campus Backbones: Connecting geographically dispersed campus buildings over long distances.
- Core Router Uplinks: 40G long-haul uplinks for core and aggregation routers in service provider networks.
Our Services
Faster delivery | Worldwide shipping | Alternative supply | Sample service | Test and warranty | In-Stock (Most products) | Quality Assured | Customization | Competitive Pricing | Cost-effective modules
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:
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New original: 100% genuine, brand new, with full manufacturer quality assurance.
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Compatible modules: Cost-effective, fully tested, compatible with Cisco, Huawei, Ericsson, Nokia, Juniper, HP, H3C, Arista, Dell and other major brands.
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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.
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