Name: SFP28-25G-LR Dell 25GbE 1310nm LR Optical Transceiver Module
Brand: Dell
SKU: SFP28-25G-LR
Price: 139.00 USD
Availability: InStock
Rating: 4.8 (129 reviews)

Product Overview
The Dell SFP28-25G-LR is a 25 Gigabit Ethernet optical transceiver designed for long reach connectivity over single-mode fiber. It uses a 1310nm wavelength and duplex LC connectors, fitting SFP28 slots in compatible networking equipment. The module supports standard 25GbE data rates suitable for extended fiber links.

General Information
Brand	Dell

Technical Information
Form Factor	SFP28
Media	SMF
Power Consumption	1.0 W (typical, max 1.5 W)
Protocols	25GBase-LR, 25GbE
Connector	LC Duplex
DOM Support	Yes

Physical Characteristics
Weight	3.00
Condition	Refurbished

Product Description
The Dell 25GbE SFP28 LR Optical Transceiver (model SFP28-25G-LR) is an optical module designed to provide 25 Gigabit Ethernet connectivity over single-mode fiber. It transmits data using a 1310nm wavelength and features a duplex LC connector interface. This transceiver is typically used in data centers and enterprise network environments where long reach fiber connections are required. Network engineers and IT professionals deploy this transceiver to extend high-speed network links over greater distances while maintaining the 25GbE standard. Key Features Supports 25 Gigabit Ethernet data rate Utilizes 1310nm wavelength for long reach transmission Compatible with single-mode fiber (SMF) Equipped with duplex LC connector interface Form factor: SFP28 for high-density switch ports This optical transceiver enables the extension of 25GbE networks across longer fiber distances, making it suitable for backbone and aggregation layer connections. Its compatibility with standard single-mode fiber infrastructure ensures integration into existing enterprise and data center fiber networks without requiring major changes.

Use Cases
This Dell SFP28-25G-LR transceiver is commonly used in enterprise and data center environments requiring 25GbE connectivity over longer fiber distances. It supports applications demanding extended reach single-mode fiber connections between switches, routers, or servers. How It's Used: Connecting top-of-rack switches to aggregation or core switches in data centers Extending 25GbE links across campus or between buildings using single-mode fiber Deployments requiring duplex LC connector interfaces for fiber patching Supporting 25GbE server connections to network infrastructure Integrating with Dell networking hardware that accepts SFP28 modules In these roles, the transceiver facilitates reliable 25GbE network segments over long distances, enabling scalable and flexible fiber networking architectures in enterprise IT environments.

FAQ's
What fiber type does the SFP28-25G-LR support? The SFP28-25G-LR supports single-mode fiber (SMF), suitable for long reach optical connections using duplex LC connectors. What wavelength does this optical transceiver use? This Dell transceiver operates at a 1310nm wavelength, which is standard for long reach 25GbE single-mode fiber applications. Is the SFP28-25G-LR compatible with standard 25GbE ports? Yes, it is designed to fit SFP28 slots and complies with 25 Gigabit Ethernet standards for compatible networking equipment. What connector type does this module use? The module uses a duplex LC connector interface, commonly used in single-mode fiber optic networks. Can this transceiver be used in multi-mode fiber networks? No, the SFP28-25G-LR is specifically intended for single-mode fiber and is not compatible with multi-mode fiber systems. What are typical applications for the SFP28-25G-LR? It is typically used to connect switches, routers, and servers over long distances within data centers or campus networks requiring 25GbE single-mode fiber links.

SFP28-25G-LR Dell 25GbE 1310nm LR Optical Transceiver Module

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases

FAQ's