Name: FTRJ-8519 Finisar 2.125Gbps 1000Base-SX 850nm Duplex LC SFP Module
Brand: Finisar
SKU: FTRJ-8519
Price: 63.48 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The FTRJ-8519 Finisar module is designed as a gigabit SFP transceiver that fits into network switches or routers. It handles short-range multi-mode fiber links using an 850nm wavelength laser, making it suitable for connections within buildings or across campus networks. Its duplex LC interface simplifies fiber cable management while ensuring solid connectivity.

General Information
Brand	Finisar
Part Number	FTRJ-8519

Technical Information
Form Factor	SFP
Media	MMF
Type	VCSEL
Protocols	1000Base-SX
Connector	LC Duplex

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
This Finisar FTRJ-8519 transceiver module enables high-speed data transfer over multi-mode fiber networks. It's built for gigabit Ethernet setups requiring reliable short-range connections within buildings or data centers. The 850nm short wave laser and LC duplex connector make it a common choice for network administrators managing fiber infrastructures. Key Features Supports data rates up to 2.125Gbps for smooth network performance Complies with the 1000Base-SX standard, ideal for multi-mode fiber Effective transmission distance of up to 550 meters in typical environments Uses LC duplex connectors for easy and secure fiber connections Compatible with various switches and routers supporting SFP modules This transceiver is often found in enterprise networks or campus environments where fiber cabling is used to reduce interference and allow longer runs than copper. It helps maintain stable and efficient connections in demanding data exchange scenarios without the need for frequent replacements.

Use Cases
The FTRJ-8519 Finisar 2.125Gbps SFP module is commonly deployed in enterprise networking environments where short-range multi-mode fiber connections are required. It is ideal for IT teams managing campus networks, data centers, or office buildings that need reliable gigabit Ethernet links without extending beyond typical intra-building distances. How It's Used: Connecting network switches within data center racks to facilitate high-speed server communications. Establishing backbone links between wiring closets across office floors in enterprise buildings. Supporting virtualization environments by providing stable gigabit connections to storage clusters over multi-mode fiber. Enabling gigabit uplinks in SMB networks to enhance bandwidth without fiber replacement. Linking edge computing nodes within campus environments where short-distance fiber connectivity is critical. This module enhances network design flexibility by allowing efficient integration of multi-mode fiber infrastructure, supporting scalability and consistent performance for gigabit Ethernet deployments within confined physical layouts.

FTRJ-8519 Finisar 2.125Gbps 1000Base-SX 850nm Duplex LC SFP Module

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases