Finisar FTL4C1QL1L 40Gbps QSFP+ optical transceiver
Product Overview
Key Specifications
| Parameter | Details |
|---|---|
| Part Number | FTL4C1QL1L |
| Data Rate | 40 Gbps (40GBASE-LR4 Lite, 4x10G lanes) |
| Wavelength | 1310 nm LAN-WDM (four parallel channels) |
| Transmission Distance | Up to 2 km over single-mode fiber (SMF, 9/125 μm) |
| Fiber Type | Single-mode fiber (SMF) |
| Connector | MPO/MTP-12 (parallel optics) |
| Form Factor | QSFP+ (SFF-8436 compliant) |
| Power Supply | 3.3V DC |
| Operating Temperature | Extended commercial grade (0°C to +85°C, "L Temp") |
| Laser Class | Class 1 |
| Manufacturing Location | Made in Malaysia |
| Compliance | IEEE 802.3ba-2010 (40GBASE-LR4 Lite), SFF-8436, RoHS |
Key Features
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40Gbps High-Density Performance
Delivers 40Gbps throughput using four parallel 10G lanes, enabling high-bandwidth connections for data center spine/leaf switches and core routers.
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LR4 Lite & Extended Temperature Design
Optimized for 2km SMF transmission at 1310nm, with an extended temperature range (0°C to +85°C) making it suitable for warmer data centers or outdoor telecom 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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Low Power Consumption
Energy-efficient design supports high-density deployments in data centers, reducing cooling and operational costs.
Applications
- Data Center Interconnects (DCI): 40G links between data center buildings or campus facilities up to 2km apart, especially in high-temperature environments.
- High-Density Switch Uplinks: 40G uplinks for core and aggregation switches in enterprise and cloud data centers.
- Campus Backbone Networks: Connecting geographically dispersed campus buildings over single-mode fiber.
- Cloud Service Provider Networks: High-bandwidth 40G connections for cloud computing and storage infrastructure.
Our Services
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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.
About Us
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