Name: FCLF8521P2BTL Finisar 1000BASE-T Copper SFP 1Gbps Transceiver
Brand: Finisar
SKU: FCLF8521P2BTL
Price: 29.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Finisar FCLF8521P2BTL acts as a bridge to convert SFP ports into copper Ethernet interfaces, making it a practical choice for networks relying on copper cabling. Its role is to provide reliable and fast Gigabit connections in setups where fiber optics are not feasible or necessary.

General Information
Brand	Finisar
Part Number	FCLF8521P2BTL
Alternate Part Number	FCLF8521P2BTL-13-CT

Technical Information
Form Factor	SFP
Media	Cat 5e/6/6a (UTP)
Protocols	1000BASE-T, IEEE 802.3ab, Auto-Negotiation, Auto MDI/MDIX
Connector	RJ-45

Physical Characteristics
Weight	5.00
Condition	Refurbished

Product Description
The Finisar FCLF8521P2BTL is a 1000BASE-T copper SFP transceiver that enables Gigabit Ethernet connections over standard twisted-pair copper cables. It's often found in network switches and routers to provide flexible connectivity options without needing fiber optic infrastructure. Built for network administrators and IT professionals, this transceiver suits environments where existing copper cabling is preferred or required, such as office LANs or data centers with mixed cabling setups. Key Features Works with standard RJ-45 copper cables for easy integration Supports full-duplex Gigabit speeds to handle high bandwidth traffic Compatible with a wide range of SFP-enabled equipment Compact form factor saves space in network hardware Designed for low latency and reliable data transfer This transceiver is typically deployed in enterprise LANs, data centers, and telecommunications facilities where copper connections are still in use. It helps extend network reach and offers a cost-effective way to upgrade to Gigabit speeds without rewiring.

Use Cases
The Finisar FCLF8521P2BTL SFP module is ideal for network environments requiring the extension of Gigabit Ethernet over existing copper infrastructure. It suits IT administrators and network engineers looking to integrate copper cabling into fiber-dominated switch or router setups without extensive rewiring. How It's Used: Deploying Gigabit Ethernet connections in SMB offices where existing Cat5e/Cat6 cabling is prevalent. Integrating copper-based devices into data centers that predominantly use fiber optics for flexible port conversion. Supporting network edge devices in enterprise IT environments that require stable 1 Gbps links without fiber installation. Facilitating remote or branch office connectivity where copper cabling is cost-effective and readily available. Implementing copper interfaces in virtualization host clusters where mixed media connectivity is necessary for segmented traffic. This transceiver module enhances operational flexibility by enabling the use of copper media within fiber-optimized infrastructures, aiding scalability and simplifying network architecture adjustments without compromising throughput or performance.

FCLF8521P2BTL Finisar 1000BASE-T Copper SFP 1Gbps Transceiver

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases