The LINK-PP LS-SC31551G-40I is an industrial grade 1.25G BiDi SFP transceiver designed for robust single-mode fiber networks. This high-performance BiDi optical module leverages WDM technology to maximize bandwidth efficiency. Featuring extreme temperature tolerance, this pluggable optical transceiver guarantees seamless gigabit Ethernet connectivity in harsh outdoor environments and demanding telecommunication infrastructures.
LINK-PP Part Number
LS-SC31551G-40I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
1.25Gbps
Wavelength
1310nm-TX/1550nm-RX
Max Cable Distance
40km
Connector
Simplex SC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-9 to 0dBm
RX Power
-23 to -1dBm
Receiver Sensitivity
-24dBm
Receiver Overload
-3dBm
DOM Support
Yes
Operating Temperature Range
-40 to 85°C
Key Features of LINK-PP LS-SC31551G-40I 1.25G BiDi SFP
Engineered for efficiency, this hot-pluggable transceiver reduces cabling costs by utilizing a single fiber. The WDM SFP integrates advanced DFB laser technology and a highly sensitive PIN receiver. This versatile BiDi SFP module ensures outstanding signal integrity for enterprise networks.
This robust gigabit optical module provides unparalleled network stability for modern communication systems. As a premium single-mode SFP, it delivers consistent high-speed data transmission, making it an essential component for upgrading industrial network architectures.
LS-SC31551G-40I: 1.25G Connectivity for Vehicle-to-Infrastructure (V2I)
Built for intelligent transportation, this industrial ethernet transceiver ensures ultra-reliable communication for V2I network systems. The module seamlessly handles data exchange between moving vehicles and roadside infrastructure, offering zero-latency gigabit links in extreme weather conditions.
LS-SC31551G-40I Module with 1310nm-TX and 1550nm-RX Wavelength
Operating as a precise bidirectional transceiver, it transmits at 1310nm and receives at 1550nm simultaneously. This specific 1310nm/1550nm SFP configuration requires pairing with an opposite wavelength module to establish a flawless full-duplex communication pathway.
Engineered for long-haul transmission, this long-reach optical module maintains excellent signal quality over vast distances. The powerful 40km SFP capability easily accommodates extended metropolitan area networks and remote cellular backhaul applications without needing signal amplification.
LS-SC31551G-40I Module with Simplex SC Interface
Equipped with a highly durable simplex SC SFP port, it enables quick and secure fiber connections. This industry-standard SC connector transceiver design prevents physical disconnection while optimizing installation space within densely packed network switches.
LS-SC31551G-40I Module with DOM for Real-Time Monitoring
Featuring built-in diagnostic monitoring capabilities, this DOM SFP allows network administrators to proactively track operational parameters. The intelligent DDM transceiver continuously measures laser bias current, temperature, and optical power to prevent unexpected network downtime.
LINK-PP LS-SC31551G-40I 1.25G SFP Certification
This certified optical transceiver meets the highest international safety standards. Rigorous compliance ensures that every unit operates safely within complex telecommunication and industrial networking environments.
Every thoroughly tested SFP module undergoes a comprehensive quality assurance process. This intensive testing program guarantees exceptional hardware durability and consistent networking performance before final packaging.
LS-SC31551G-40I Quality Certifications
Backed by crucial industrial certifications, this module proudly holds CE, FCC, UKCA, and UL approvals. It is also a REACH and RoHS compliant SFP, ensuring environmental responsibility.
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-SC31551G-40I Certified for Reliable Host-Device Compatibility
Functioning as a universally compatible transceiver, it seamlessly integrates with major networking equipment brands. This MSA compliant SFP ensures plug-and-play operation across diverse switches and routers.
Rigorous Testing Ensures Reliable SFP Performance
Comprehensive optical module testing is performed on every unit to guarantee flawless gigabit network integration and maximum hardware longevity under extreme conditions.
Optical Spectrum Test
Precise wavelength verification confirms the exact 1310nm and 1550nm optical output stability.
Eye Pattern Test
A strict signal integrity test ensures optimal data transmission clarity and minimal jitter.
Bit Error Rate Test
Continuous traffic simulation guarantees zero packet loss during prolonged high-speed data exchanges.
Temperature Test
An intense thermal stress test validates reliable operation across the -40°C to 85°C spectrum.
Product Shipping for LINK-PP LS-SC31551G-40I 1.25G SFP
We prioritize safe transceiver delivery through standardized logistics protocols, ensuring your networking components arrive in perfect condition and ready for immediate deployment.
Anti-Static Protective Packaging
Specialized ESD safe packaging prevents electrical damage during the transit process.
Shock-Resistant Transport Protection
Durable and secure shipping materials absorb impact and prevent physical breakage entirely.
Implementing this hardware is incredibly straightforward. During your optical module installation, simply align the unit with an available port and gently insert it until it clicks. This hot-pluggable SFP setup requires no system reboot for instant network expansion.
LS-SC31551G-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-SC31551G-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:
Yes, the LS-SC31551G-40I strictly adheres to the MSA (Multi-Source Agreement), as well as CE, FCC, and RoHS global compliance standards. Our internal Quality & Compliance Center batch-tests every module to ensure enterprise-grade reliability and regulatory safety. By
admin on
2026-07-22
A:
This optical module is specifically engineered for Single-Mode Fiber (SMF). To achieve the maximum 40km transmission distance with optimal DDM readings and properly utilize the 1310nm/1550nm WDM wavelengths, you must use standard SMF cables. By
admin on
2026-02-23
A:
Absolutely. Our LS-SC31551G-40I modules undergo rigorous multi-brand compatibility testing. They are 100% plug-and-play and will seamlessly integrate into OEM switches from Cisco, Juniper, Arista, and others without throwing unverified transceiver error codes. By
admin on
2025-10-07
Please write comments with more than three
character.
491674
402204
A***n
Indonesia
Verified
Purchase
5 .0
2026-04-24
Bought 50 units for a massive IoT deployment. The WDM technology saves so much fiber, and the 1.25Gbps throughput is super consistent. Highly recommend these SFP transceivers for long-reach networking.
Please write comments with more than three
character.
491674
402202
M***l
Denmark
Verified
Purchase
5 .0
2026-02-06
Tested the 40km Simplex SC SMF optics for a remote base station backhaul. Stable TX at 1310nm and RX at 1550nm with no packet loss. Great DDM readings under heavy load. (^_^)b
Please write comments with more than three
character.
491674
402199
C***e
Thailand
Verified
Purchase
5 .0
2025-09-24
Upgraded our industrial warehouse network using these LINK-PP modules. Excellent interoperability with our multi-brand switches. The extreme temp tolerance is a lifesaver for non-AC environments! Total cost of ownership is amazing.
Please write comments with more than three
character.
491674
402194
R***s
Dominican Republic
Verified
Purchase
5 .0
2025-07-20
Deployed these 1.25G SFP BiDi modules for a campus fiber network. Paired perfectly with our Cisco switches. The DOM feature helps monitor the -40 to 85°C outdoor temps accurately. Solid!
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