The LINK-PP LS-BL49312G-20C is a high-performance 2.5G BiDi SFP transceiver engineered for highly reliable fiber optic communications. This hot-pluggable optical module features a robust 1490nm DFB laser and 1310nm PIN receiver. It perfectly supports SDH STM-16 and 2x Fiber Channel applications, ensuring seamless interoperability across commercial networking environments worldwide.
LINK-PP Part Number
LS-BL49312G-20C
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1490nm-TX/1310nm-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-BL49312G-20C 2.5G BiDi SFP
Delivering outstanding networking efficiency, this 2.5Gbps optical transceiver incorporates an advanced MCU control unit alongside a trans-impedance preamplifier. Operating flawlessly within standard temperatures from zero to seventy degrees Celsius, this SFF-8472 compliant device guarantees superior transmission stability for modern enterprise routers and server interfaces.
Designed to maximize bandwidth efficiency, this bidirectional SFP module operates flawlessly at 2.5Gbps data rates. The advanced optical transceiver guarantees cost-effective connectivity, serving as an ideal networking solution for demanding telecom and datacom infrastructure upgrades.
LS-BL49312G-20C: 2.5G Connectivity for Single-Fiber Links
By utilizing Wavelength Division Multiplexing technology, this single-mode module transmits and receives data over one fiber strand. This single-fiber optical link drastically reduces cabling infrastructure costs while maintaining reliable high-speed 2.5G baseband communication networks.
LS-BL49312G-20C Module with 1490nm-TX and 1310nm-RX Wavelength
Equipped with a premium 1490nm DFB laser transmitter and a highly sensitive 1310nm PIN photo detector, this bidirectional optical module ensures accurate signal conversion. It maintains excellent optical power output and minimizes spectral interference.
Engineered for long-range networking, this 2.5G SFP transceiver provides stable optical connections up to 20 kilometers over standard single-mode fiber. This extended reach makes it perfectly suited for campus networks, metropolitan area networks, and remote telecommunication deployments.
LS-BL49312G-20C Module with Simplex LC Interface
Integrating an industry-standard simplex LC receptacle, this fiber optic transceiver simplifies network patch cord connections. The single LC connector design optimizes high-density patch panel space while maintaining low insertion loss for uninterrupted gigabit data transmission.
LS-BL49312G-20C Module with DOM for Real-Time Monitoring
Featuring built-in Digital Optical Monitoring, this smart transceiver allows network administrators to constantly track vital parameters. The I2C interface delivers real-time analytics regarding operating temperature, supply voltage, laser bias current, and respective optical transmit and receive power.
LINK-PP LS-BL49312G-20C 2.5G SFP Certification
Manufactured to exceptional industry standards, this high-quality optical module holds comprehensive global credentials. It boasts full CE, FCC, UKCA, UL, and REACH regulatory compliance approvals.
Every single SFP module undergoes strict multi-stage laboratory evaluations before deployment. This comprehensive factory inspection protocol continuously guarantees flawless fiber optic communication and prolonged hardware durability.
LS-BL49312G-20C Quality Certifications
Adhering to the strictest SFP Multi-Source Agreement guidelines, this transceiver proudly carries essential ROHS environmental certifications alongside Class I laser safety requirements for modern networking.
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-BL49312G-20C Certified for Reliable Host-Device Compatibility
Precisely engineered for diverse network ecosystems, this module is thoroughly certified for universal switch compatibility. It ensures seamless hot-plugging integration across top-tier enterprise routing equipment.
Rigorous Testing Ensures Reliable SFP Performance
We perform intensive quality assurance procedures on every module. Our exhaustive verification process guarantees unparalleled transmission stability and dependable network component longevity.
Optical Spectrum Test
Advanced spectrum analyzers verify precise 1490nm and 1310nm center wavelengths.
Eye Pattern Test
Engineers thoroughly assess eye diagrams to ensure excellent signal integrity and minimal jitter.
Bit Error Rate Test
Continuous data traffic simulations confirm a flawless Bit Error Rate below standard limits.
Temperature Test
Environmental chambers validate stable commercial operation from zero to seventy degrees Celsius.
Product Shipping for LINK-PP LS-BL49312G-20C 2.5G SFP
We prioritize secure global distribution for our networking hardware. Every optical transceiver is carefully prepared to ensure absolute safety during international transit.
Integrating this optical module into your enterprise architecture is incredibly straightforward. Simply insert the hot-pluggable transceiver into any standard switch port, connect your simplex LC fiber cable, and instantly experience high-speed bidirectional gigabit data transmission.
LS-BL49312G-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-BL49312G-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:
Yes, we offer tiered bulk pricing for enterprise IT procurement. Since you're ordering 300 units of this SMF optical transceiver, you'll get a highly competitive discount compared to the standard retail price. Reach out to our B2B sales team for a custom quote! By
admin on
2026-07-23
A:
We do! While the LS-BL49312G-20C easily handles standard 0 to 70°C environments, we also provide the LS-BL49312G-20I model which supports industrial temperatures (-40°C to 85°C) specifically designed for extreme outdoor base station and edge deployments. By
admin on
2026-07-13
A:
Absolutely! These 2.5G BiDi modules are fully MSA compliant. They provide seamless interoperability across all major OEM brands, including Cisco and Ubiquiti, with zero vendor-lock issues or configuration headaches. By
admin on
2026-05-05
A:
It runs over a single strand of Single-Mode Fiber (SMF). Using BiDi WDM technology (1490nm-TX/1310nm-RX) with a Simplex LC connector, it halves your fiber cabling costs while maintaining a solid 20km transmission distance. By
admin on
2026-03-19
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488461
446984
P***l
Finland
Verified
Purchase
5 .0
2026-04-02
Tested the LS-BL49312G-20C for our campus single-mode fiber network. The 1490nm-TX/1310nm-RX wavelengths are rock solid over 15km. MSA compatibility is perfect with our Cisco gear.
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488461
446985
S***g
South Africa
Verified
Purchase
5 .0
2026-01-02
Deployed 50 of these LINK-PP 2.5G BiDi modules for base station backhaul. The Simplex LC interface saved us a ton of fiber strands. Outstanding DFB transmitter stability!
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488461
446990
K***l
Belgium
Verified
Purchase
5 .0
2025-12-10
Upgraded my home lab NAS setup. This SMF optical transceiver module handles SDH STM-16 effortlessly. Flawless OEM switch compatibility and zero packet drop after 72 hours of stress testing. (￣▽￣)ノ
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488461
446994
J***n
South Africa
Verified
Purchase
5 .0
2025-10-01
Pulled real-time metrics via DOM on our dashboard. Operating temperature stays cool around 40°C in our data center interconnect. Excellent 2.5Gbps throughput for our massive server backups!
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488461
226195
J***r
United States
Verified
Purchase
5 .0
2025-02-03
On a summit, my partner introduced l-p.com and thought highly of their good products and service. Then I wanted to have a try. I have to say both the customer support and account manager are very professional.
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488461
226192
B***e
Belarus
Verified
Purchase
5 .0
2024-09-01
Overall, not a bad experience, but they need to have better communication regarding order processing and shipping, especially if the item is on back order.
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