Name: FWLF1634RL39 Finisar 4.25Gbps 1000Base-ZX DWDM SFP 80km LC Duplex
Brand: Finisar
SKU: FWLF1634RL39
Price: 1176.66 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The FWLF1634RL39 Finisar transceiver module supports 1Gbps Ethernet transmission over single-mode fiber in DWDM networks. It fits into common SFP ports and operates at a specific wavelength of 1546.12nm, targeting long-distance links up to 80km. This module is a practical choice for expanding fiber networks where space and compatibility matter.

General Information
Brand	Finisar
Part Number	FWLF1634RL39

Technical Information
Form Factor	SFP
Media	SMF
Type	DFB
Protocols	1000Base-ZX,Gigabit Ethernet,1000BASE-X
Connector	LC Duplex

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This Finisar SFP transceiver module enables reliable 1Gbps Ethernet communication over long distances using single-mode fiber. It's commonly used in telecom and data center environments where DWDM (Dense Wavelength Division Multiplexing) technology is required to maximize fiber capacity. Built for network engineers and IT professionals, it fits into standard SFP slots on switches and routers to extend network reach without signal degradation. The module's 80km transmission range supports intercity or campus connections effectively. Key Features Compatible with 1000Base-ZX standard for Gigabit Ethernet Precise wavelength of 1546.12nm ensures minimal interference in DWDM setups Single-mode fiber design allows long-distance data transfer up to 80km Duplex LC connectors simplify fiber connections and maintenance Low power consumption helps reduce operating costs This SFP transceiver is often found in service provider networks and enterprise backbones where DWDM integration is essential. It helps increase fiber infrastructure efficiency by allowing multiple wavelengths on a single fiber strand. Users benefit from stable connections and straightforward installation without complex tuning.

Use Cases
The FWLF1634RL39 Finisar transceiver is ideal for IT environments requiring high-reliability, long-distance fiber connections. It is particularly suited for enterprise and service provider networks that deploy Dense Wavelength Division Multiplexing (DWDM) to maximize fiber infrastructure efficiency over extended reaches. How It's Used: Connecting geographically dispersed data centers with high-speed 1Gbps links to support replication and backup workflows. Enabling service providers to provision scalable DWDM optical channels for metropolitan and regional network expansions. Linking enterprise campus networks across multiple buildings where fiber span exceeds standard multimode limits. Supporting remote office connectivity for businesses requiring reliable, long-haul Ethernet services over single-mode fiber. Integrating with virtualization clusters that demand consistent low-latency fiber connections across distant nodes. This transceiver module facilitates operational scalability by leveraging DWDM technology to carry multiple wavelengths on a single fiber, thus optimizing fiber usage in complex network topologies. Its compatibility with standard SFP slots and extended reach supports evolving network architectures without extensive infrastructure changes.

FWLF1634RL39 Finisar 4.25Gbps 1000Base-ZX DWDM SFP 80km LC Duplex

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases