The LINK-PP LS-SM552G-40I is a high-performance 2.5G SFP optical transceiver module engineered for long-reach single-mode fiber applications. Featuring a 1550nm DFB laser transmitter and PIN photodiode, it supports data rates up to 2.5Gbps over a 40km link distance. Compliant with SFP MSA and SFF-8472 standards, this industrial-grade transceiver operates reliably across extreme temperatures from -40°C to +85°C.
LINK-PP Part Number
LS-SM552G-40I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1550nm
Max Cable Distance
40km
Connector
Duplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-2 to +3dBm
RX Power
-20 to -1dBm
Receiver Sensitivity
-20dBm
DDM/DOM
Supported
Operating Temperature Range
-40 to 85°C
Protocols
MSA Compliant
Key Features of LINK-PP LS-SM552G-40I 2.5G SFP
This hot-pluggable 2.5Gbps SFP transceiver module offers duplex LC optical interface connectivity, single +3.3V power supply, low power consumption, and integrated Digital Diagnostics Monitoring (DDM). Designed for industrial networking environments, it delivers robust performance, RoHS compliance, and seamless inter-operability across diverse telecommunication systems and high-speed network switches.
LINK-PP LS-SM552G-40I 2.5G SFP Optical Module
This high-performance optical module provides a reliable 2.5G SFP solution for high-density networking hardware. Built with premium optoelectronic components, it ensures stable signal transmission, minimal insertion loss, and long-term durability in demanding enterprise and industrial deployment scenarios.
LS-SM552G-40I: 2.5G Connectivity for Data Center Interconnect
Designed for high-throughput network architectures, this 2.5G SFP transceiver delivers dependable optical connectivity for data center interconnects, SONET/SDH networks, and Fiber Channel links, enabling fast, resilient, and ultra-reliable data exchange across distant network nodes.
LS-SM552G-40I Module with 1550nm Wavelength
Operating at a central wavelength of 1550nm, this single-mode SFP module utilizes an advanced DFB laser transmitter to minimize chromatic dispersion and optical attenuation, guaranteeing superior signal integrity over long-range fiber optic transmission pathways.
LS-SM552G-40I Module Supporting 40km Transmission
Engineered for extended-reach optical infrastructure, this transceiver supports seamless transmission up to 40km over standard single-mode fiber (SMF), making it an ideal choice for metro networks, campus backbones, and remote industrial point-to-point links.
LS-SM552G-40I Module with Duplex LC Interface
Featuring an industry-standard duplex LC receptacle, this SFP optical module ensures easy plug-and-play installation, secure mechanical connection, and low insertion loss when connecting standard LC optical patch cords in high-density rack cabinets.
LS-SM552G-40I Module with DOM for Real-Time Monitoring
Equipped with Digital Optical Monitoring (DOM) capabilities according to SFF-8472, this transceiver enables real-time diagnostic monitoring of temperature, supply voltage, laser bias current, transmit power, and receive optical power for proactive network maintenance.
LINK-PP LS-SM552G-40I 2.5G SFP Certification
This LINK-PP 2.5G SFP transceiver adheres to global quality standards, holding official CE, FCC, UKCA, UL, REACH, and RoHS certifications to ensure electrical safety and environmental compliance.
LINK-PP implements a comprehensive quality testing program for every optical module, combining automated parameter validation, environmental stress screening, and rigorous multi-stage inspections to ensure defect-free performance.
LS-SM552G-40I Quality Certifications
Backed by international certifications including ISO9001, CE, FCC, UL, UKCA, and REACH, this transceiver fulfills rigorous quality assurance requirements for telecom operators and enterprise network builders.
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.
LS-SM552G-40I Certified for Reliable Host-Device Compatibility
Fully MSA-compliant, this 2.5G SFP module undergoes extensive compatibility testing across major OEM networking devices, switches, routers, and media converters to guarantee seamless plug-and-play integration.
Rigorous Testing Ensures Reliable SFP Performance
Every 2.5G SFP transceiver undergoes full factory testing, verifying optical power, wavelength stability, signal clarity, and BER performance under extreme industrial conditions.
Optical Spectrum Test
Verifies 1550nm center wavelength, spectral width, and side-mode suppression ratio for optimal optical transmission.
Eye Pattern Test
Assesses transmitter signal quality and extinction ratio to guarantee clean optical waveform margins.
Bit Error Rate Test
Confirms error-free 2.5Gbps transmission with BER below 1×10⁻¹² over 40km single-mode fiber links.
Temperature Test
Validates stable operation across the full industrial temperature range from -40°C to +85°C.
Product Shipping for LINK-PP LS-SM552G-40I 2.5G SFP
All LINK-PP 2.5G SFP modules are packaged with extreme care to safeguard sensitive optical components during global transit and storage.
Anti-Static Protective Packaging
Enclosed in anti-static ESD bags to prevent electrostatic discharge damage.
Shock-Resistant Transport Protection
Cushioned with customized protective foam shells to absorb physical transportation impacts.
Fast Order Processing and Dispatch
Streamlined warehouse fulfillment ensures swift order processing and prompt shipment.
Global Logistics and International Delivery
Shipped via reliable international express carriers with real-time package tracking.
Installing this 2.5G SFP module is quick and intuitive: insert the transceiver into an SFP port on your switch or router until it clicks, attach duplex LC fiber cables, and verify real-time connection status via DOM interface.
LS-SM552G-40I 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 LS-SM552G-40I 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:
It will work perfectly! This module is designed strictly for Single-Mode Fiber (SMF) and is fully compatible with your existing OS1 and OS2 cables. It features a standard Duplex LC interface and is optimized for long-distance 2.5G transmission up to 40km at the 1550nm wavelength. By
admin on
2026-08-14
A:
Definitely. All our optical transceivers are fully compliant with the SFP Multi-Source Agreement (MSA), IEEE 802.3 standards, and are heavily tested for RoHS, CE, and FCC certification. We can easily provide full compliance documentation for your engineering and audit records upon request. By
admin on
2026-07-16
A:
We certainly do! For bulk DC deployments and enterprise procurement, we provide attractive tiered pricing. Please reach out to our sales team directly with your quantity requirements, and we’ll prepare a custom quote to maximize your fiber expansion budget. By
admin on
2026-04-15
A:
Yes, absolutely! Our transceivers are strictly coded and tested to ensure 100% OEM compatibility. They work seamlessly with multi-brand switches like Cisco, Juniper, and Arista straight out of the box, offering full DOM recognition without any CLI workarounds. By
admin on
2026-03-23
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479049
459835
D***e
Malaysia
Verified
Purchase
5 .0
2026-07-21
Tested this industrial 1550nm 40km transceiver across a 35km single-mode campus fiber link. Tx/Rx light levels remained well within spec, and DDM outputs matched our Fluke meter perfectly. Unbeatable value!
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479049
459836
T***n
Spain
Verified
Purchase
5 .0
2026-05-09
Needed a reliable 2.5G fiber link for a remote enterprise NAS deployment. The LINK-PP LS-SM552G-40I nailed it. Setup was plug-and-play, and the DOM diagnostics make remote ops a breeze.
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character.
479049
459824
W***t
Thailand
Verified
Purchase
5 .0
2026-01-20
We manage multiple outdoor cabinets in harsh environments. This industrial OEM compatible SFP survived extreme winter and summer temps without dropping a single packet on our base station backhaul. Unbelievable stability!
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character.
479049
459823
M***z
Austria
Verified
Purchase
5 .0
2026-01-11
Upgrading our data center interconnects required reliable 2.5G duplex LC SMF modules. These seamlessly integrated with our mixed Arista and Cisco environment. Zero CRC errors after a month of stress testing.
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