Name: FCLF-8521-3-HC Finisar 1.25Gb/s 1000BASE-T Copper RJ45 SFP Transceiver
Brand: Finisar
SKU: FCLF-8521-3-HC
Price: 70.74 USD
Availability: InStock
Rating: 4.8 (114 reviews)

Product Overview
The FCLF-8521-3-HC is a gigabit copper SFP transceiver that enables 1000Base-T connections using standard RJ-45 interfaces. It fits into SFP ports on switches or routers, allowing them to connect over copper Ethernet cabling up to 100 meters. This module is suited for environments that require a flexible mix of fiber and copper connectivity options, providing a straightforward means to maintain network performance without changing existing copper infrastructure.

General Information
Brand	Finisar

Technical Information
Form Factor	SFP
Media	Cat 5e/6/6a (UTP)
Protocols	1000Base-T, IEEE 802.3ab
Connector	RJ-45
DOM Support	No

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The FCLF-8521-3-HC is a compact SFP transceiver module designed to deliver reliable gigabit Ethernet connectivity through copper cabling. It’s commonly used in networking equipment where standard RJ-45 connections are needed alongside small form-factor interfaces. Often found in enterprise switches, routers, and media converters, this module supports users seeking to integrate copper-based connections within high-speed network environments. Built for IT professionals managing network infrastructure, it offers a straightforward solution for extending Ethernet links without sacrificing performance. Key Features Supports 1.25Gb/s Ethernet speeds over copper cabling Compatible with IEEE 802.3ab 1000Base-T standard Allows transmission distances up to 100 meters Compact SFP footprint for easy installation and hot-swapping Operates efficiently in standard network temperature ranges This module plays a practical role in bridging copper Ethernet with SFP-capable devices, providing a balance between flexibility and performance. Its design emphasizes reliability and ease of integration, making it a dependable component in various network topologies.

Use Cases
This transceiver module is typically deployed in networking setups where high-speed copper Ethernet links need to integrate seamlessly with devices supporting SFP modules. It serves well in environments like data centers, enterprise LANs, and edge computing nodes that maintain a mix of fiber and copper connections. How It's Used: Connecting enterprise switches to copper-based network segments within data centers Extending gigabit Ethernet to desktop switches in office environments using existing copper cabling Integrating with media converters to support copper-to-fiber transitions in campus networks Supporting network equipment in remote office locations where fiber is not available Facilitating flexible port configurations on routers and switches with SFP slots By enabling simple copper connections through an SFP form factor, this module aids in maintaining network scalability and operational efficiency. It ensures consistent performance and compatibility across mixed network environments without adding complexity.

Tech Atlantix

FCLF-8521-3-HC Finisar 1.25Gb/s 1000BASE-T Copper RJ45 SFP Transceiver

FCLF-8521-3-HC

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