Name: FTL4C3QE1C Finisar 40Gbps QSFP+ 40GBase-LR4 10km Single-mode Duplex LC
Brand: Finisar
SKU: FTL4C3QE1C
Price: 1304.19 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Finisar 40Gbps QSFP+ transceiver module provides a reliable solution for extending 40G network connections over single-mode fiber. It fits into QSFP+ interfaces and supports transmission distances up to 10 kilometers, making it suitable for data centers and carrier networks requiring stable, high-speed optical links.

General Information
Brand	Finisar
Part Number	FTL4C3QE1C

Technical Information
Form Factor	QSFP+
Media	SMF
Type	4 x LAN WDM EML
Power Consumption	3.5 W (typ), 4.5 W (max)
Protocols	40GBase-LR4,40Gbps,IEEE 802.3ba
Connector	LC Duplex
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This Finisar transceiver module enables high-speed 40Gbps data transmission over single-mode fiber connections. It's built for long-distance network links, commonly used in data centers and enterprise backbones where reliable, high-capacity optical connections are needed. Network engineers and IT professionals often integrate these modules to extend their fiber reach without compromising signal quality. Key Features Delivers consistent 40GBase-LR4 performance for up to 10 kilometers Designed to fit standard QSFP+ slots with a duplex LC interface Operates efficiently at the 1310nm wavelength for stable long-haul communication Supports single-mode fiber for reduced signal loss over distance Compatible with various network switches and routers supporting 40Gbps links Typically deployed in large-scale data centers or telecom networks, this transceiver supports seamless integration for long-range optical connections. Its use helps maintain high-speed throughput while minimizing upgrade complexity across existing fiber infrastructures.

Use Cases
The Finisar 40Gbps QSFP+ 40GBase-LR4 transceiver is tailored for environments demanding robust high-speed optical connectivity over long distances. It is ideal for IT infrastructure where single-mode fiber runs span up to 10 kilometers, such as data centers and telecom carrier networks with large-scale, distributed deployments. How It's Used: Connecting aggregation switches in multi-building data center campuses requiring 40G bandwidth over single-mode fiber. Supporting long-haul 40G links in metropolitan carrier networks for efficient service delivery. Enabling high-throughput interconnects in virtualized storage clusters separated by extended distances. Providing backbone connectivity between core network nodes in enterprise WAN environments. Extending high-speed edge computing platforms linked via QSFP+ ports across dispersed facilities. This transceiver facilitates scalable network architectures by delivering consistent 40Gbps optical performance across significant distances, supporting operational continuity and bandwidth growth in complex IT and telecom environments.

FTL4C3QE1C Finisar 40Gbps QSFP+ 40GBase-LR4 10km Single-mode Duplex LC

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases