The LINK-PP LS-BL31551G-15C is a high-performance 1G BiDi SFP optical module designed for Gigabit Ethernet applications. It supports a 1.25Gbps data rate and delivers reliable bidirectional data transmission over a single-mode fiber. Operating at a commercial temperature range, this transceiver guarantees excellent network stability and strictly complies with SFP MSA standards.
LINK-PP Part Number
LS-BL31551G-15C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
1.25Gbps
Wavelength
1310nm-TX/1550nm-RX
Max Cable Distance
15km
Connector
Simplex LC
Media
SMF
Transmitter Type
FP
Receiver Type
PIN
TX Power
-5 to 0dBm
RX Power
-23 to -1dBm
Receiver Sensitivity
<-24dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of LINK-PP LS-BL31551G-15C 1G BiDi SFP
Engineered for efficiency, the LINK-PP LS-BL31551G-15C 1G BiDi SFP incorporates advanced WDM technology to maximize fiber utilization. This hot-pluggable optical transceiver offers seamless integration into existing network infrastructures, providing exceptional durability, low power consumption, and highly cost-effective fiber optic connectivity solutions.
This versatile LINK-PP LS-BL31551G-15C 1G BiDi SFP optical module ensures robust network performance. It serves as a vital component for upgrading telecom networks, offering low latency and superior signal integrity for demanding enterprise and data center networking environments.
LS-BL31551G-15C: 1G Connectivity for Carrier Ethernet
Delivering seamless 1G connectivity for carrier Ethernet networks, the LS-BL31551G-15C module facilitates efficient broadband access and fiber-to-the-home deployments. It empowers internet service providers with scalable bandwidth capabilities and consistent long-term operational reliability across diverse telecommunication architectures.
LS-BL31551G-15C Module with 1310nm-TX and 1550nm-RX Wavelength
Utilizing advanced wavelength division multiplexing, this transceiver operates with a 1310nm-TX and 1550nm-RX wavelength configuration. Equipped with a reliable FP laser transmitter, it effectively minimizes optical dispersion to maintain exceptional signal quality throughout the bidirectional communication link.
Built for medium-reach optical networks, the LS-BL31551G-15C module supports 15km transmission distances over standard single-mode fiber. This extended reach makes it an ideal networking solution for connecting remote switches, campus networks, and distributed enterprise optical communication systems.
LS-BL31551G-15C Module with Simplex LC Interface
Designed with a simplex LC interface, this optical transceiver requires only a single fiber strand for both transmitting and receiving data. This innovative bidirectional design significantly reduces optical cabling infrastructure costs while simplifying network deployment and maintenance.
LS-BL31551G-15C Module with DOM for Real-Time Monitoring
Featuring integrated digital optical monitoring capabilities, the LS-BL31551G-15C module provides comprehensive real-time monitoring. Network administrators can easily track crucial operational parameters including transceiver temperature, supply voltage, laser bias current, and optical transmission power levels.
LINK-PP LS-BL31551G-15C 1G SFP Certification
The LINK-PP LS-BL31551G-15C 1G SFP is fully compliant with essential industry standards, including IEEE 802.3z and SFP MSA, ensuring seamless interoperability across diverse networking platforms.
Every single optical transceiver undergoes a comprehensive quality testing program within our advanced manufacturing facility to guarantee zero defects and maintain the highest standard of networking excellence.
LS-BL31551G-15C Quality Certifications
This robust optical module strictly adheres to international regulatory requirements, proudly holding recognized quality certifications such as CE, FCC, and RoHS for safe and environmentally responsible operation.
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-BL31551G-15C Certified for Reliable Host-Device Compatibility
Meticulously programmed and tested, the module is certified for reliable host-device compatibility. It perfectly integrates with major brand switches and routers without triggering vendor lock-in errors.
Rigorous Testing Ensures Reliable SFP Performance
Multiple validation procedures are implemented during production. This rigorous testing ensures reliable SFP performance, guaranteeing optimal data transmission under demanding networking conditions.
Optical Spectrum Test
Accurately verifies the 1310nm center wavelength to prevent optical signal distortion and dispersion.
Eye Pattern Test
Evaluates signal integrity and timing jitter to strictly meet Gigabit Ethernet transmission standards.
Bit Error Rate Test
Simulates high-speed data traffic to confirm zero packet loss and absolute communication reliability.
Temperature Test
Validates stable optical performance across the standard commercial operating temperature range without performance degradation.
Product Shipping for LINK-PP LS-BL31551G-15C 1G SFP
We provide highly professional logistics services. The product shipping for LINK-PP LS-BL31551G-15C 1G SFP guarantees that your optical modules arrive safely and promptly.
This hot-swappable module simply plugs directly into any standard SFP port. Remember to always pair this device with a complementary 1550nm-TX/1310nm-RX optical transceiver at the opposite end of the fiber link to establish successful bidirectional communication.
LS-BL31551G-15C 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-BL31551G-15C 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! While the LS-BL31551G-15C is designed for commercial environments (0°C to 70°C), we offer the LS-BL31551G-15I model, an industrial-grade version rated for extreme wide temperatures (-40°C to 85°C), perfect for outdoor base station deployments. By
admin on
2026-05-31
A:
This specific optical module is engineered exclusively for Single-Mode Fiber (SMF) networks using a Simplex LC connector interface. Connecting it to multimode fiber will cause severe modal dispersion and drastically reduce your 15km transmission range. By
admin on
2026-04-05
A:
We definitely do. We provide specialized volume pricing for B2B procurement. For a batch order of this size, please contact our sales team or apply the tier discount codes directly at checkout to significantly lower your unit price. By
admin on
2025-12-05
A:
Yes, absolutely! This 1G BiDi SFP is strictly MSA compliant. It seamlessly interoperates with Cisco, Ubiquiti, Aruba, and most major OEM switches without throwing any third-party block errors. By
admin on
2025-10-18
Please write comments with more than three
character.
476907
360267
A***e
Singapore
Verified
Purchase
5 .0
2026-01-30
We manage multiple outdoor enclosures. Even though these are 0-70°C commercial grade, they run surprisingly cool. Perfect single-mode fiber connectivity for our ISP broadband access nodes. Fantastic ROI compared to OEM!
Please write comments with more than three
character.
476907
360264
R***s
Czech Republic
Verified
Purchase
5 .0
2025-04-15
As a network admin, I need reliable 15km SMF transceivers for long-haul site links. The TX/RX signal integrity on these is phenomenal, no latency spikes. A must-have for any serious telecom infrastructure.
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character.
476907
360278
D***l
Denmark
Verified
Purchase
5 .0
2025-01-02
Tested these 1G BiDi modules across a 12km campus fiber ring. The 1310nm-TX/1550nm-RX pairing is highly stable. DOM readings match our expensive Fluke testers perfectly. Highly recommended for cost-effective enterprise rollouts.
Please write comments with more than three
character.
476907
201532
K***n
Netherlands
Verified
Purchase
5 .0
2024-03-22
It was really easy to navigate and place the order.I have ordered for years from them and always have a great experience, time after time! I will continue ordering for the rest of our lives!!!
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