SFP28-25G-LR-I is an industrial-grade 25G SFP28 duplex LC/UPC single-mode optical transceiver engineered for robust 10km data links at a 1310nm nominal wavelength, capping its power consumption at an efficient 1.2W while featuring integrated Digital Optical Monitoring (DOM).
Key Features of HW SFP28-25G-LR-I Compatible LINK-PP 25G SFP28
HW SFP28-25G-LR-I Compatible LINK-PP module is a robust industrial 25G SFP28 transceiver that delivers steady data connectivity across 10km single-mode fiber links. Key specifications include a standard 1310nm operating wavelength, a duplex LC/UPC connection, and real-time DOM telemetry. This module keeps maximum power consumption under 1.2W to prevent overheating in enclosed cabinets.
This module features a rugged metal enclosure that significantly minimizes electromagnetic interference (EMI) in dense hardware setups. It also supports both optical and electrical loopback functions, making link testing and system troubleshooting much easier. These physical and functional designs ensure steady operation in harsh industrial environments.
SFP28-25G-LR-I: 25 Gbps Connectivity for Industrial Edge Deployments
This transceiver delivers a fast 25 Gbps data rate to meet the growing bandwidth needs of modern industrial edge systems. Its hardened, industrial-grade components ensure continuous uptime even in extreme temperature fluctuations. This makes it an ideal solution for outdoor telecom cabinets, factory automation, and smart grid nodes.
SFP28-25G-LR-I Module with 1310nm Wavelength
The module utilizes a 1310nm nominal center wavelength for efficient light transmission over single-mode fiber. This specific wavelength offers an optimal balance of low attenuation and low dispersion for medium-reach networking. It ensures clean signal integrity without requiring complex dispersion compensation hardware.
Engineered for long-distance reliability, this optical transceiver easily achieves a transmission reach of up to 10km over standard single-mode fiber. It provides an excellent link budget for connecting geographically separated industrial sites or enterprise distribution layers. It allows for broad network expansion without losing signal strength.
SFP28-25G-LR-I Module with Duplex LC/UPC Interface
Equipped with a standard duplex LC/UPC connector, the module guarantees precise physical alignment and low insertion loss. The UPC polish minimizes back-reflections to protect the laser source and maintain clear data paths. This industry-standard interface ensures seamless compatibility with existing fiber patch cables.
SFP28-25G-LR-I Module with DOM for Real-Time Monitoring
Integrated Digital Optical Monitoring allows network administrators to track vital operating parameters in real time. It monitors critical data such as optical output power, laser temperature, and supply voltage. This proactive diagnostic feature helps prevent sudden network downtime through early fault detection.
HW SFP28-25G-LR-I Compatible LINK-PP module is manufactured under a strict quality management system and fully complies with international standards, including ISO 9001, CE, RoHS, and FCC certifications.
Every module undergoes rigorous hardware testing, including signal integrity checks and temperature cycling, to guarantee stable performance in harsh conditions.
SFP28-25G-LR-I Quality Certifications
These recognized industry credentials verify that the transceiver meets all global safety, environmental, and electromagnetic compatibility regulations.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
SFP28-25G-LR-I Certified for Reliable Host-Device Compatibility
The transceiver is comprehensively tested on major enterprise switches and routers to ensure seamless plug-and-play interoperability without port errors.
Every SFP28 optical transceiver undergoes strict hardware evaluations to guarantee stable network data rates and structural integrity in harsh conditions; learn more at the LINK-PP Test Support Center.
Optical Spectrum Test
Verify precise central wavelengths and spectral widths for clean transmission.
Eye Pattern Test
Analyze optical signal quality and transmitter performance to prevent distortion.
Bit Error Rate Test
Measure data transmission accuracy to guarantee flawless network link stability.
Temperature Test
Validate operational reliability across extreme industrial heat and cold environments.
Product Shipping for HW SFP28-25G-LR-I Compatible LINK-PP 25G SFP28
We provide safe, reliable delivery methods for your network components. Our team guarantees rapid dispatch and global coverage.
Anti-Static Protective Packaging
Shield delicate transceiver circuitry from harmful electrostatic discharge damage.
Shock-Resistant Transport Protection
Secure packages against physical impacts during long-distance transit.
Fast Order Processing and Dispatch
Accelerate order handling times to minimize project deployment delays.
Global Logistics and International Delivery
Ship orders worldwide through dependable international courier service networks.
HW SFP28-25G-LR-I Compatible LINK-PP module features a simple plug-and-play installation into any standard 25G SFP28 host port, making network upgrades fast and efficient. It is engineered for industrial edge computing, outdoor telecom infrastructure, and automation hubs that require reliable, long-distance single-mode fiber connectivity.
SFP28-25G-LR-I Technical Support
LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.
Pre-Sales Technical Consultation
Professional guidance to help you select the optimal SFP28-25G-LR-I module for your network design and application needs.
Compatibility Verification Support
Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.
Deployment & Installation Assistance
Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.
Read technical answers about optical media requirements, maximum power metrics, electrical shielding properties, and system-level loopback test functions.
No. This 25G SFP28 module utilizes a 1310nm laser optimized specifically for Single-Mode Fiber (SMF). Using it with multi-mode fiber will cause severe signal attenuation and link failure.
The module is designed for high energy efficiency, limiting its maximum power consumption to 1.2W, which helps reduce thermal buildup in high-density switches.
Yes, it supports both optical and electrical loopback functions. This allows engineers to easily perform remote diagnostic testing and isolate link issues without physical hardware intervention.
Yes. The transceiver is built with a fully metallic enclosure that provides excellent shielding, significantly minimizing EMI in dense industrial network racks.
A:
It utilizes a high-reliability Distributed Feedback (DFB) laser, which provides the ideal balance of cost and performance for 10km links. By
admin on
2026-03-06
A:
Yes, as long as the total link attenuation across your single-mode fiber path does not exceed the specified optical power budget. By
admin on
2025-12-04
A:
Yes, the LS-SM3125-10I is an industrial-grade 25G SFP28 optical transceiver fully certified to operate reliably from -40°C up to +85°C (-40°F to 185°F). By
admin on
2025-08-21
A:
Yes, exactly. By turning on electrical loopback, you isolate the host switch; by turning on optical loopback, you test the incoming fiber path. By
admin on
2025-05-31
A:
The DDM telemetry complies with SFF-8472, providing an accuracy of ±3dB for optical power readings and ±10% for internal laser bias current reporting. By
admin on
2025-01-14
Working in a high-density colocation data center, I handle thousands of transceivers. The build quality of the LINK-PP LS-SM3125-10I stands out immediately compared to generic optics. The pull-release mechanism is smooth and does not jam in dense 48-port SFP28 switches, which is critical during tight maintenance windows. We use these for long-distance interconnects (up to 10km) across separate data halls over single-mode fiber. The 1310nm lasers are highly stable, showing zero power degradation over months of continuous production runtime. DOM measurements are perfectly aligned with our physical fiber testers. If you need dependable 25Gbps single-mode duplex LC optics that just work every single time, this model is a safe bet.
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491482
325765
R***d
United States
Verified
Purchase
5 .0
2026-03-09
Reliable hardware. The duplex LC UPC connector snaps cleanly. Our single-mode fiber infrastructure is quite complex with multiple patch panels, but these optics punch through the insertion loss without an issue.
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491482
325759
N***m
Germany
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5 .0
2026-01-08
Procured 50 units for our corporate data center expansion. EEPROM was coded correctly for our switches. The optical monitoring (DOM/DDM) is highly accurate when checking RX/TX power levels via CLI.
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491482
325761
T***e
Germany
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5 .0
2025-06-25
In the telecom space, deployment in remote, unconditioned outdoor cabinets is the ultimate stress test for optical components. We deployed the LS-SM3125-10I across our rural broadband expansion nodes for 25G fronthaul/backhaul routing. The industrial-grade temperature rating is a hard requirement for us due to intense seasonal variations. These modules have survived a brutal winter and are now running through a humid summer inside pole-mounted enclosures. What sets these apart from standard commercial-grade optics is the exceptional thermal dissipation design; even when the ambient internal cabinet temperature spikes to 70°C, the module’s DOM reports internal temperatures well within safe thresholds. Link uptime has remained at a flawless 100%, and the 25GBASE-LR specification matches our dark fiber network characteristics perfectly. If you are a network engineer looking for reliable, hardened 1310nm 10km optical transceivers, look no further. d=(^o^)=b
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491482
325748
L***s
Japan
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5 .0
2025-05-11
Needed some reliable 25G single-mode transceivers for a campus fiber ring upgrade. These LINK-PP modules hit full 25G links over a 7km run effortlessly. The Duplex LC/UPC interface feels rugged and snug. Absolutely no complaints here!
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491482
325760
O***e
United Kingdom
Verified
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5 .0
2025-04-20
Passed our 72-hour stress testing under heavy traffic load in our server rooms. No thermal throttling or frame losses detected. SFP28 25G connectivity is super stable. d=(´▽｀)=b
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491482
325747
J***n
United States
Verified
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5 .0
2023-07-26
On a summit, my partner introduced l-p.com and thought highly of their good products and service. Then I wanted to have a try. I have to say both the customer support and account manager are very professional. They answered my questions about application and recommended the appropriate 10/25/40G Transceiver Modules&Lan Transformer. Thanks for their useful help.
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491482
325757
F***h
Netherlands
Verified
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5 .0
2023-06-24
The price for 10/25/40G Transceiver Modules is very competitive, in fact better than I've seen elsewhere and the purchase process was flawless. I'd only purchase through l-p.com in the future.
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