Name: FWLF1634RL37 Finisar 4.25Gbps 1000Base-ZX DWDM 80km Single-mode SFP
Brand: Finisar
SKU: FWLF1634RL37
Price: 1176.66 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The FWLF1634RL37 Finisar transceiver module serves as a reliable component for extending 1Gbps Ethernet connections over single-mode fiber. It fits into SFP slots on network devices and translates electrical signals into optical ones at 1547.72nm wavelength, supporting data transmission up to 80km. This module is a practical choice for network setups requiring stable, long-distance fiber connections without adding complexity.

General Information
Brand	Finisar
Part Number	FWLF1634RL37

Technical Information
Form Factor	SFP
Media	SMF
Type	DFB
Protocols	1000Base-ZX
Connector	LC Duplex

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The FWLF1634RL37 is a fiber optic transceiver designed to transmit data at 4.25Gbps, following the 1000Base-ZX standard for long-range communication. It's commonly used in enterprise networks, telecommunications, and data centers where reliable high-speed connections over long distances are needed. Built for single-mode fiber infrastructure, this module operates effectively over distances up to 80 kilometers, making it suitable for connecting remote sites or linking devices across a wide campus or metropolitan area network. Network engineers and IT professionals often rely on this transceiver to maintain stable and efficient fiber connections. Key Features High data throughput tailored for Gigabit Ethernet applications Supports DWDM wavelengths around 1547.72nm for dense channel deployment Compatible with duplex LC connectors to fit standard fiber cables Designed to maintain signal integrity over long single-mode fiber spans Ideal for integration into existing network hardware supporting SFP modules This transceiver is frequently deployed in telecom networks and data center interconnects where long distance and high bandwidth are critical. Its precise wavelength and robust design help reduce interference and maintain clear communication lines in complex fiber environments.

Use Cases
The FWLF1634RL37 Finisar transceiver module is commonly deployed in enterprise and service provider networks requiring reliable long-distance fiber optic connections. It is well-suited for environments where 1Gbps Ethernet links must be extended across campus backbones or metropolitan areas, particularly when stable performance over single-mode fiber is essential. How It's Used: Connecting data center racks spread across multiple buildings in large enterprises. Extending fiber links between remote office locations within a metropolitan area network (MAN). Supporting long-reach connections in service provider networks for point-to-point data transport. Enabling fiber backbone connections for campus network infrastructures requiring high stability and low latency. Facilitating virtualization and storage cluster communications over extended distances in enterprise IT environments. This module helps maintain efficient network scalability by providing consistent, long-distance data transmission without intermediate signal regeneration. Its integration into existing SFP slots enables seamless upgrades to fiber infrastructure while preserving operational continuity in critical network segments.

FWLF1634RL37 Finisar 4.25Gbps 1000Base-ZX DWDM 80km Single-mode SFP

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases