Name: FWLF1634RL46 Finisar 4.25Gbps 1000Base-ZX DWDM 80km Single-mode SFP
Brand: Finisar
SKU: FWLF1634RL46
Price: 1176.66 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The FWLF1634RL46 Finisar transceiver operates at 4.25Gbps to deliver reliable Gigabit Ethernet over single-mode fiber, reaching distances up to 80km. Designed for dense wavelength division multiplexing at 1540.56nm, it fits standard SFP slots and uses duplex LC connectors, making it a practical choice for telecom and enterprise networks requiring long-haul fiber connections.

General Information
Brand	Finisar
Part Number	FWLF1634RL46

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

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This Finisar SFP transceiver module enables data transmission over long distances, making it suitable for telecom and data center networks. Typically used in fiber optic communication systems, it supports 1000Base-ZX standard at 4.25Gbps, providing stable links over single-mode fiber up to 80 kilometers. Commonly deployed in environments needing extended reach such as metropolitan area networks (MANs) or large-scale enterprise backbones, this module fits into switches or routers with SFP slots. Network engineers and IT professionals benefit from its compatibility and straightforward installation. Key Features Supports 4.25Gbps data transfer rate suitable for Gigabit Ethernet DWDM technology enables dense wavelength multiplexing at 1540.56nm Single-mode fiber design ensures low signal loss over 80km distance Duplex LC connector ensures easy and secure fiber connections Hot-swappable form factor for minimal downtime during maintenance This transceiver is often integrated into telecom infrastructures to extend network reach without sacrificing signal integrity. It plays a key role in linking dispersed network segments where high data throughput is critical.

Use Cases
The FWLF1634RL46 Finisar 4.25Gbps SFP transceiver is ideal for telecom operators and large enterprise networks that require reliable long-distance fiber connectivity. It is particularly suited for environments where high-capacity, low-latency links over single-mode fiber are essential, such as metropolitan area networks and remote data centers. How It's Used: Connecting geographically dispersed data centers in enterprise IT environments to ensure seamless resource sharing. Enabling long-haul DWDM links in carrier-grade metro networks to maximize fiber infrastructure utilization. Supporting high-speed uplinks in campus networks where fiber runs exceed standard Ethernet distances. Providing reliable optical connections for remote office sites requiring stable, high-bandwidth communication back to corporate headquarters. Facilitating inter-building cabling in industrial or university campuses demanding extended reach and minimal signal degradation. This transceiver enhances network scalability by enabling extended fiber runs without compromising signal integrity, thus supporting operational efficiency in complex, multi-site environments. Its compatibility with standard SFP slots allows flexible integration within existing infrastructure while maintaining consistent high-performance connectivity.

FWLF1634RL46 Finisar 4.25Gbps 1000Base-ZX DWDM 80km Single-mode SFP

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases