The FS SFP2.5G-LX-31 Compatible LINK-PP module is a high-performance 2.5G SFP transceiver specifically designed for single mode fiber applications. Operating with an advanced 1310nm DFB laser and precise PIN photo detector, this reliable optical module delivers 2.5Gbps connectivity up to a 15km reach. It features a standard SFP footprint and requires +3.3V power.
FS Part Number
SFP2.5G-LX-31
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1310nm
Max Cable Distance
15km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
Receiver Sensitivity
-18dBm
DOM
Supported
TX Power
-6 to +1dBm
RX Power
-20 to -1dBm
Operating Temperature Range
0 to 70°C
Protocols
MSA Compliant
Key Features of FS SFP2.5G-LX-31 Compatible LINK-PP 2.5G SFP
This highly adaptable hot-pluggable SFP footprint device guarantees seamless integration into various networking setups. Fully compliant with SFP MSA and SFF-8472 standards, the advanced transceiver supports Fiber Channel and diverse 2.5Gbps optical links, offering an extremely cost-effective and highly reliable optical transmission solution.
As a premium 2.5G optical module, the SFP2.5G-LX-31 accelerates your network performance. It is an ideal telecom component for upgrading legacy infrastructure, guaranteeing smooth data rates and stable signal integrity across your enterprise architecture.
SFP2.5G-LX-31: 2.5G Connectivity for Access Switches
Perfect for access switches and enterprise routers, this plug-and-play 2.5G optical switch connectivity solution enhances network bandwidth. It integrates flawlessly into modern hardware, preventing bottlenecks while ensuring continuous, high-speed data transmission for demanding applications.
SFP2.5G-LX-31 Module with 1310nm Wavelength
Utilizing a precise 1310nm wavelength DFB laser, this advanced optical transmitter effectively minimizes signal dispersion. It optimizes single mode fiber operations, ensuring clarity and maintaining pristine data fidelity throughout your high-speed networking environment seamlessly.
SFP2.5G-LX-31 Module Supporting 15km Transmission
Engineered for medium-reach optical communication, this transceiver supports a 15km transmission distance over single mode fiber. It provides network administrators with a robust and cost-effective choice for bridging widespread campus setups and metropolitan area networks.
SFP2.5G-LX-31 Module with Duplex LC Interface
Featuring a standard duplex LC interface, this module easily connects with standard single mode patch cords. The secure LC receptacle ensures minimal insertion loss and robust physical connections, promoting long-term stability within busy telecommunication cabinets.
SFP2.5G-LX-31 Module with DOM for Real-Time Monitoring
Equipped with Real Time Digital Optical Monitoring (DOM), this device empowers you to track critical parameters. Administrators can accurately monitor temperature, voltage, bias current, and optical power to prevent failures and ensure optimal transceiver health.
The SFP2.5G-LX-31 strictly meets global safety and environmental requirements. Comprehensive regulatory compliance ensures maximum reliability and operational safety for all your professional telecommunications and networking deployments.
Every single unit undergoes a meticulous factory testing protocol. Our comprehensive quality control process guarantees that each transceiver precisely matches stringent industry specifications before leaving the manufacturing facility.
SFP2.5G-LX-31 Quality Certifications
Fully compliant with RoHS standards, this exceptional optical module is officially CE, FCC, UKCA, UL, and REACH certified, satisfying strict class I laser safety requirements across global markets.
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.
SFP2.5G-LX-31 Certified for Reliable Host-Device Compatibility
Adhering meticulously to the SFP Multi-Source Agreement ensures flawless host-device compatibility. This universally accepted standard allows the transceiver to operate seamlessly alongside major networking equipment brands worldwide.
Rigorous Testing Ensures Reliable SFP Performance
Through systematic SFP testing procedures and continuous performance verification, we confidently guarantee absolute durability and consistent stability for every optical component within your network.
Optical Spectrum Test
We meticulously verify precise 1310nm wavelength accuracy to prevent distortion and maintain optimal communication.
Eye Pattern Test
Comprehensive eye pattern analysis continually confirms flawless signal integrity and superior high-speed transmission quality.
Bit Error Rate Test
Extended testing confirms practically zero transmission errors, ensuring unmatched 2.5Gbps data transmission reliability overall.
Temperature Test
We test modules extensively to guarantee stability across the standard 0 to +70°C operating temperature.
Product Shipping for FS SFP2.5G-LX-31 Compatible LINK-PP 2.5G SFP
We employ specialized SFP module logistics alongside premium packaging materials to ensure the perfectly safe delivery of your sensitive optical hardware anywhere globally.
Anti-Static Protective Packaging
Premium ESD-safe packaging completely prevents electrical damage during the entire shipping process.
Witness the straightforward SFP installation process in our comprehensive application guide. This demonstration illustrates how easily the module plugs into standard hardware, immediately establishing a robust fiber optic setup for highly efficient enterprise data transmission networks.
SFP2.5G-LX-31 Technical Support
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Pre-Sales Technical Consultation
Professional technical guidance to help customers select the most suitable SFP2.5G-LX-31 modules based on network architecture and application requirements.
Compatibility Verification Support
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Deployment & Installation Assistance
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
A:
Yes. The LS-SM312G-15C is built strictly to standard SFP MSA specifications and comes EEPROM-coded for seamless cross-platform compatibility. It works reliably across Cisco, Netgear, FS, MikroTik, Ubiquiti, and generic open-networking switches without triggering vendor lock-in alarms or unrecognized transceiver errors. By
admin on
2026-07-17
A:
This transceiver requires standard Duplex LC Single Mode Fiber (SMF) patch cords, typically OS1 or OS2 9/125μm. It is optimized for 1310nm long-distance transmission up to 15km (9.3 miles) and is not intended for Multimode Fiber (OM3/OM4) cabling. By
admin on
2026-03-12
A:
Yes. The transceiver fully complies with IEEE 802.3z / 2.5G Ethernet standards, SFP MSA, CE, FCC, and RoHS regulations. It integrates full SFF-8472 Digital Optical Monitoring (DOM/DDM), providing real-time telemetry for operating temperature, supply voltage, laser bias current, transmitted optical power, and received optical power. By
admin on
2026-03-09
A:
The standard LS-SM312G-15C operates within a commercial temperature range of 0°C to 70°C (32°F to 158°F). For unconditioned roadside enclosures, cell towers, or industrial DIN-rail switches exposed to severe cold or heat, we offer the industrial-grade equivalent (LS-SM312G-15I / -40°C to +85°C) upon request. By
admin on
2025-12-25
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5 .0
2026-02-07
Bench-tested against original vendor transceivers on Netgear and Cisco access hardware. Signal eye diagram and optical power margins are identical, saving our enterprise IT budget nearly 75% across the entire datacenter rollout.
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