The LINK-PP LS-BL31492G-20C is a high-performance 2.5G BiDi SFP transceiver designed for seamless single-mode fiber communication. Operating at a 2.5Gbps data rate, this simplex LC optical module ensures reliable data transmission up to a 20km reach. It offers a cost-effective networking solution, perfectly complying with SFP MSA and SFF-8472 standards.
LINK-PP Part Number
LS-BL31492G-20C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1310nm-TX/1490nm-RX
Max Cable Distance
20km
Connector
Simplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
TX Power
-5 to 0dBm
RX Power
-23 to -1dBm
Receiver Sensitivity
<-18dBm
DOM Support
Yes
Operating Temperature Range
0 to 70°C
Protocols
Fast Ethernet, Gigabit Fibre Channel, MSA Compliant
Key Features of LINK-PP LS-BL31492G-20C 2.5G BiDi SFP
This hot-pluggable SFP footprint transceiver features an advanced DFB laser transmitter and PIN photo detector. Utilizing a single +3.3V power supply, the low power consumption module guarantees efficient operation. It delivers exceptional signal integrity for SDH STM-16 and SONET OC-48 system deployments.
Delivering robust 2.5Gbps networking capabilities, this single fiber bidirectional optical module optimizes fiber utilization. It perfectly balances high-speed data transfer and network stability, offering an ideal upgrade path for modern telecommunication and enterprise network infrastructures.
LS-BL31492G-20C: 2.5G Connectivity for Wireless Base Station
Engineered to support demanding telecommunication requirements, this transceiver provides seamless wireless network connectivity for base station interconnects. It ensures low latency and high bandwidth capacity, making it essential for upgrading cellular towers and telecom infrastructure links.
LS-BL31492G-20C Module with 1310nm-TX and 1490nm-RX Wavelength
Leveraging advanced WDM technology, the device operates efficiently using a 1310nm transmitting wavelength alongside a 1490nm receiving wavelength. This Tx1310/Rx1490 setup allows full-duplex communication over a single optical cable, significantly reducing fiber cabling costs.
Designed for medium to long-haul optical link environments, the transceiver guarantees a stable 20km SMF reach. This extended distance capability easily bridges remote data centers, enterprise servers, and campus networks without requiring additional signal amplification equipment.
LS-BL31492G-20C Module with Simplex LC Interface
Equipped with a high-precision simplex LC connector, the module simplifies physical network connections. This standard interface is fully compatible with widely used single-mode optical patch cords, facilitating quick installation and securing a reliable physical layer connection.
LS-BL31492G-20C Module with DOM for Real-Time Monitoring
Integrated Digital Optical Monitoring enables proactive network management. Network administrators can easily access real-time optical power tracking, voltage, temperature, and laser bias current metrics via a 2-wire interface, ensuring continuous operational stability and preventing unexpected downtimes.
LINK-PP LS-BL31492G-20C 2.5G SFP Certification
Demonstrating superior manufacturing standards, this 2.5G optical device holds comprehensive global safety approvals. It is fully CE, FCC, and RoHS compliant, ensuring environmentally safe and legally approved operations.
Every transceiver undergoes a comprehensive inspection process before shipment. Our factory-tested methodology guarantees that each unit meets stringent industry standards, ensuring top-tier reliability for demanding fiber networks.
LS-BL31492G-20C Quality Certifications
Beyond basic compliance, this highly secure laser class I product is proudly UKCA, UL, and REACH approved. These certifications validate its uncompromising structural safety and non-toxic material composition.
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-BL31492G-20C Certified for Reliable Host-Device Compatibility
Extensively evaluated for broad switch compatibility, the transceiver delivers seamless multi-vendor support. It integrates flawlessly into diverse network switches and routers, preventing frustrating hardware mismatch issues.
Rigorous Testing Ensures Reliable SFP Performance
Our rigorous performance verification procedures evaluate every critical parameter. This guarantees optimal network performance and signal fidelity across all operating conditions.
Optical Spectrum Test
We verify wavelength accuracy to guarantee flawless 1310nm and 1490nm transmission performance.
Eye Pattern Test
Ensuring optimal signal integrity, this test confirms precise data transmission without jitter interference.
Bit Error Rate Test
Continuous traffic monitoring validates error-free data transfer under maximum 2.5Gbps network loads.
Temperature Test
We validate thermal stability across the standard zero to seventy degrees Celsius range.
Product Shipping for LINK-PP LS-BL31492G-20C 2.5G SFP
Our professional fulfillment network guarantees safe optical module delivery worldwide. Each package is meticulously prepared to withstand challenging global freight environments.
Anti-Static Protective Packaging
Modules are sealed in ESD-safe bags to prevent electrostatic discharge damage.
Shock-Resistant Transport Protection
Custom foam inserts and a secure carton absorb unexpected transit impacts.
Fast Order Processing and Dispatch
Our automated warehouse system ensures quick shipment preparation within 24 hours.
Global Logistics and International Delivery
We partner with premium worldwide couriers to guarantee swift international arrivals.
Experiencing plug and play installation is effortless with this BiDi optical device. Simply insert the module into a compatible router port, connect your single-mode patch cord to the simplex LC interface, and enjoy an instant high-speed network connection.
LS-BL31492G-20C 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-BL31492G-20C 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:
Definitely! While this specific LS-BL31492G-20C is the commercial indoor version (0~70°C), we manufacture an industrial-grade counterpart, the LS-BL31492G-20I. It supports extreme temperatures from -40°C to 85°C, making it perfect for harsh outdoor base station environments. By
admin on
2026-07-19
A:
100% identical performance. This transceiver uses top-tier DFB lasers and PIN receivers, providing the exact same 2.5Gbps throughput, low latency, and 20km transmission distance as original optics, but offers a much higher ROI for your IT budget. By
admin on
2026-03-22
A:
Absolutely! The LS-BL31492G-20C is strictly MSA compliant and fully OEM compatible. We’ve tested it rigorously across major brands like Cisco, Juniper, and Arista to ensure seamless plug-and-play interoperability for your network equipment. By
admin on
2026-03-19
A:
We maintain large local inventories to ensure a stable supply chain. For in-stock items, your order ships within 24 to 48 hours. Even for massive out-of-stock bulk requests, our typical delivery cycle is only 4-6 weeks. By
admin on
2026-01-19
A:
Spot on! Thanks to WDM (Wavelength Division Multiplexing) technology using a 1310nm-TX and 1490nm-RX wavelength setup, this module features a Simplex LC interface. You only need a single strand of Single Mode Fiber (SMF) to transmit and receive simultaneously, effectively halving your fiber cabling costs! By
admin on
2025-11-11
Please write comments with more than three
character.
481837
446871
A***g
Republic of Korea
Verified
Purchase
5 .0
2026-06-02
Setting up a remote campus fiber network was easy with these. The -18dBm receiver sensitivity on the 1490nm-RX side handles the 20km distance flawlessly. Real-time DDM data is a lifesaver.
Please write comments with more than three
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481837
446869
M***z
Sweden
Verified
Purchase
5 .0
2026-06-01
Needed reliable optics for wireless base station upgrades. These LS-BL31492G-20C modules hit the 2.5Gbps mark perfectly. The simplex LC interface is robust, and they run cool within the 0-70°C range.
Please write comments with more than three
character.
481837
446872
K***z
Mexico
Verified
Purchase
5 .0
2026-01-24
Tested full MSA compatibility across multiple switch brands in our lab. This Link-PP 20km DOM transceiver passed with flying colors! Excellent signal integrity for SONET OC-48, highly recommend for B2B procurement.
Please write comments with more than three
character.
481837
446864
D***h
Canada
Verified
Purchase
5 .0
2025-10-11
We mass deployed the Link-PP 2.5G BiDi SFP in our data center interconnects. With 1310nm-TX/1490nm-RX over a single fiber, we maximized our cabling. DDM support makes remote monitoring a breeze!
Please write comments with more than three
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481837
232355
B***n
Singapore
Verified
Purchase
5 .0
2025-03-10
I finally decide to give LINK-PP Ethernet port a try, since they are not as expensive as an original module. The result makes me very satisfied. They work well with very low insertion loss on our equipment, and the connection is also very firm.
Please write comments with more than three
character.
481837
232348
B***s
Brazil
Verified
Purchase
5 .0
2024-07-17
We had a large volume for 10/25/40G Transceiver Modules each month.always had good performance. This time our Account Manager told me that it had a big price reduction, so we purchased some more which can be used for six months. Surprisingly, we received the goods quickly. That's great.
United Kingdom · English · GBP
