Comprehensive Guide to SFP28 25G LR Transceivers
Mar 04, 20251 min read
With the increasing demand for high-speed data transmission in modern networks, the SFP28 25G LR transceiver has become a crucial component in various applications, including data centers, enterprise networks, and telecommunications. This guide provides a detailed overview of the SFP28 25G LR transceiver, its specifications, advantages, and application scenarios.
What is SFP28 25G LR ?
SFP28 25G LR Definition
The SFP28 25G LR is an optical module designed for long-distance data transmission, supporting a data transfer rate of 25Gbps. It uses single-mode fiber (SMF) with a transmission wavelength of 1310nm, and the maximum transmission distance can reach up to 10 kilometers.
The SFP28 25G LR optical module typically features a DFB (Distributed Feedback Laser) and a PIN photodetector, making it widely used in data centers, enterprise networks, and communication/interconnection applications that require long-distance transmission.
SFP28 25G LR Specification
The SFP28 25G LR transceiver uses a 1310nm wavelength with an LC duplex connector to provide 25GBase-LR throughput up to 10km over single-mode fiber (SMF). In addition to its low power consumption and high-speed performance, it also offers interoperability, laying the foundation for next-generation network upgrades.
The following are its key specifications:
Product Specification | SFP28 25G LR |
Form Type | SFP28 |
Wavelength | 1310nm |
Connector | Duplex LC |
Media | SMF |
Power Consumption | <1.5W |
Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
Max Cable Distance | 10km |
TX Power | -4~2dBm |
CDR (Clock and Data Recovery) | TX and RX |
DDM/DOM | Supported |
FEC Function | Supported |
Protocols | MSA Compliant, CPRI, eCPRI |
Packaging Technology | BOX Packaging |
Advantages of SFP28 25G LR Optical Modules
The SFP28 25G LR optical module is a key solution for modern data-driven infrastructures, offering robust performance and versatility across various high-demand applications. Here are its main advantages:
High Bandwidth and Low Latency
High Data Transmission Rate: The SFP28 25G LR module supports 25 Gbps, 2.5 times faster than the 10G SFP+ module, enabling rapid data transfer ideal for cloud computing and big data analytics.
Low Latency: With its high-speed transfer, the SFP28 25G LR ensures low latency, essential for time-sensitive applications like financial trading and real-time communications, reducing delays and boosting network performance.
Long-Distance Transmission
Extended Transmission Distance: The SFP28 25G LR module supports up to 10 kilometers of data transmission over single-mode fiber (SMF), ideal for connecting data centers via MAN and WAN.
Reduced Repeater Requirements: The extended transmission range reduces the need for repeaters, lowering infrastructure costs, particularly in challenging or costly deployment scenarios.
Low Power Consumption
Energy Efficiency: The SFP28 25G LR module consumes less than 1.5W, reducing operational costs and environmental impact, making it a cost-effective and sustainable choice.
Reduced Cooling Requirements: Its low power consumption generates less heat, lowering the need for cooling and further reducing operational costs while improving network reliability.
Cost-Effective Solution
Reduced Infrastructure Costs: The SFP28 25G LR module works with existing single-mode fiber, eliminating the need for costly upgrades or new cables, making it a cost-effective solution for network expansions.
Lower Total Cost of Ownership (TCO): With high performance, low power consumption, and reduced infrastructure costs, the SFP28 25G LR module offers a lower TCO, helping businesses optimize their network investments.
High Reliability and Compatibility
High Signal Stability: The SFP28 25G LR module uses advanced laser technology and single-mode fiber for low attenuation and dispersion, ensuring stable and reliable signal transmission, ideal for mission-critical applications.
Compatibility with Existing Networks: The module is compatible with various network devices and standards, allowing seamless integration into existing infrastructure and enabling network upgrades without disrupting operations.
FS SFP28 25G LR Benefits
Building on the inherent advantages discussed above, FS further amplifies these benefits with its SFP-25GLR-31 product through validated real-world testing and exceptional compatibility. By choosing the FS SFP-25GLR-31 product, you gain:
Low Power Consumption Design
Maximized Low Power: Utilizing the Macom CDR chip,the FS SFP-25GLR-31 module consumes just 1.2W, lower than similar products at 1.5W, offering better energy efficiency and helping to reduce operating costs.
High Compatibility
Compatibility with Mainstream Devices: The FS SFP-25GLR-31 module is fully compatible with a wide range of mainstream devices, supporting IEEE-compliant 25G interfaces for seamless connections.
FS Box Real-Time Configuration: Paired with the FS Box, it enables real-time configuration and testing, ensuring stable operation, reducing setup time, and improving deployment efficiency.
Excellent Performance Validation
Real-Device Testing: FS optical modules undergo over 200 real-device tests, ensuring compatibility and reliability across various network devices, eliminating concerns and ensuring high efficiency in practical use.
Performance Guarantee: Tested on target switches, the module delivers outstanding performance in complex network environments, ensuring high stability and low latency.
Compliance with Regulations and Standards
International Certifications: The FS SFP-25GLR-31 complies with IEEE 802.3by, IEEE 802.3cc, RoHS 6, FDA, and other global standards, ensuring regulatory compliance.
Multiple Safety Assurances: It meets UL, TUV, CB, CE, REACH, and other certifications, guaranteeing product quality and user safety in line with industry standards.
In conclusion, FS's SFP-25GLR-31 optical module, with its low power consumption, high compatibility, reliability, and thorough real-device testing, is the ideal choice for enterprises looking to upgrade and expand their network infrastructure. It provides an efficient, energy-saving, and highly compatible solution, helping users optimize network investments and improve overall network performance.
Application Scenarios of SFP28 25G LR Optical Module
The SFP28 25G LR optical module excels in diverse high-performance environments, providing reliable, high-speed connectivity across multiple applications:
Data Center Interconnection
Inter-Data Center Connections: The SFP28 25G LR module is ideal for connecting data centers over long distances, providing high-bandwidth, low-latency connections that meet the demands of large-scale data transmission.
Metropolitan Area Networks (MANs): The module is suitable for interconnecting data centers and remote sites within a metropolitan area, ensuring reliable and efficient data transmission.
Long-Distance Communication Needs
Telecommunications Backbone: The SFP28 25G LR module is used in telecommunications backbones and enterprise campus networks, supporting transmission distances up to 10 kilometers and meeting the needs of wide-area coverage.
Enterprise Networks: The module is suitable for long-distance communication within enterprise networks, providing high-reliability and high-performance connections.
High-Reliability Requirements
Critical Business Applications: The SFP28 25G LR module is used in critical business applications where high signal stability and reliability are required, such as financial transactions and healthcare systems.
Interference Resistance: The module's design ensures higher resistance to interference, ensuring reliable data transmission in challenging environments.
In conclusion, the 25G SFP28 LR optical module is a crucial part of modern network infrastructure. Its high bandwidth, long-distance transmission, low power consumption, and reliability make it ideal for applications in data centers, cloud computing, big data, high-performance computing, telecommunications, video surveillance, and scientific research, meeting the need for high-speed, efficient data transfer.
Conclusion
The SFP28 25G LR optical module provides a high-performance, cost-effective, and scalable solution, playing a crucial role in long-distance transmission environments. As network demands continue to grow, these modules will play a key role in enabling next-generation connectivity. Whether you choose the 25GbBASE LR module or other 25G optical modules, FS is committed to delivering high-quality products to support your network upgrades.
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- Hardware
- Optics and Transceivers
- Data Center