The LINK-PP LS-BL55312G-20I is a high-performance 2.5Gbps transceiver designed for robust optical networks. Operating over single-mode fiber, this industrial-grade optical module ensures stable data transmission across extreme temperatures from -40°C to +85°C. Engineered with a durable simplex LC connector, it delivers cost-effective and reliable connectivity for modern communication infrastructure.
LINK-PP Part Number
LS-BL55312G-20I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1550nm-TX / 1310nm-RX
Max Cable Distance
20km
Connector
Simplex LC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
Receiver Sensitivity
-18dBm
DDM/DOM
Supported
TX Power
-5 to 0dBm
RX Power
-23 to -1dBm
Operating Temperature Range
-40 to 85°C
Protocols
MSA Compliant
Key Features of LINK-PP LS-BL55312G-20I 2.5G BiDi SFP
Discover the exceptional capabilities of this hot-pluggable bidirectional transceiver. Fully SFP MSA compliant, it seamlessly supports SDH STM-16 and 2x Fiber Channel applications. With a low power consumption of under 300mA and Class I laser safety, it optimizes your optical network performance.
As a premier bidirectional optical module, this versatile component utilizes advanced WDM technology to maximize bandwidth. Its compact plug-and-play form factor significantly simplifies network upgrades while ensuring flawless interoperability across diverse telecommunication environments.
LS-BL55312G-20I: 2.5G Connectivity for Internet Service Provider
Designed specifically to meet ISP networking demands, this module provides seamless broadband expansion capabilities. It serves as an ideal solution for core router interfaces, allowing internet service providers to deploy high-speed connections with exceptional stability.
LS-BL55312G-20I Module with 1550nm-TX and 1310nm-RX Wavelength
Utilizing advanced single-fiber communication, this WDM transceiver features a precise 1550nm DFB laser transmitter and a highly sensitive 1310nm PIN photodetector receiver. This strategic wavelength pairing eliminates signal crosstalk and maximizes transmission efficiency.
Engineered for long-reach fiber applications, the device guarantees pristine signal integrity over distances up to 20km via single-mode fiber. Its robust optical budget prevents data loss, making it perfect for sprawling campus or metropolitan network deployments.
LS-BL55312G-20I Module with Simplex LC Interface
Equipped with a standard simplex LC receptacle, this module cuts cabling costs by enabling full duplex communication over a single fiber network strand. The secure LC interface ensures easy integration into standard patch panel infrastructure.
LS-BL55312G-20I Module with DOM for Real-Time Monitoring
Featuring built-in digital diagnostic monitoring according to the SFF-8472 standard, the transceiver enables precise optical network management. Administrators can continuously track temperature, voltage, and laser power levels, preventing unexpected downtime through proactive maintenance.
LINK-PP LS-BL55312G-20I 2.5G SFP Certification
LINK-PP guarantees exceptional product safety and strict industry compliance. This industrial-grade transceiver meets the highest global regulatory standards, ensuring seamless operation in demanding telecommunication ecosystems.
Every manufactured module undergoes a comprehensive quality assurance protocol. Our factory-tested procedures eliminate defective units, verifying structural integrity and stable optical performance before reaching the customer.
LS-BL55312G-20I Quality Certifications
This robust communication device is fully certified by major international bodies. Being CE, FCC, UKCA, UL, and RoHS compliant ensures environmentally friendly and legally secure network deployments.
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-BL55312G-20I Certified for Reliable Host-Device Compatibility
Extensively evaluated for broad multi-vendor interoperability, the transceiver guarantees flawless integration. It effortlessly connects with leading OEM switches and enterprise routers without encountering firmware locking issues.
Rigorous Testing Ensures Reliable SFP Performance
Our strictly controlled diagnostic evaluation process validates the durability of all network hardware, ensuring unmatched reliability and long-term transmission stability in real-world scenarios.
Optical Spectrum Test
Precise evaluation of the center wavelength guarantees strict adherence to required SMF optical specifications.
Eye Pattern Test
Extensive eye diagram analysis verifies exceptional signal integrity and low jitter for high-speed transmission.
Bit Error Rate Test
Continuous data packet monitoring confirms zero packet loss, maximizing your overall data link reliability.
Temperature Test
Extreme thermal stress testing verifies stable component operation within the -40°C to +85°C range.
Product Shipping for LINK-PP LS-BL55312G-20I 2.5G SFP
We maintain a highly efficient order fulfillment process, prioritizing safe and secure delivery to ensure your networking equipment arrives in perfect working condition.
Anti-Static Protective Packaging
Premium ESD shielding prevents electrical damage during the entire shipping process.
Experiencing this module is simple due to its intuitive plug-and-play installation. Users just align the device with the host slot, perform a gentle optical module insertion, and connect the single-mode fiber patch cord to establish the link instantly.
LS-BL55312G-20I 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-BL55312G-20I 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, it is explicitly designed for Single Mode Fiber (SMF) using a Simplex LC connector. Utilizing WDM technology (1550nm-TX/1310nm-RX), it easily achieves up to 20km transmission on a single strand. By
admin on
2026-07-07
A:
It delivers the exact same stability and performance as OEM transceivers, featuring premium 1550nm DFB lasers and strict DOM accuracy. It gives you true enterprise-grade networking at a fraction of the cost. By
admin on
2026-04-01
A:
Yes! The LS-BL55312G-20I is fully MSA compliant. It undergoes rigorous multi-brand compatibility testing to ensure plug-and-play interoperability with Cisco, Juniper, Arista, and other major switches. By
admin on
2025-11-09
A:
Absolutely. We offer strong tiered discounts for enterprise bulk procurement. For 500+ units, you'll get a highly competitive wholesale price—just reach out to our sales team or check our site's promo codes. By
admin on
2025-10-18
Please write comments with more than three
character.
481492
453913
C***z
Costa Rica
Verified
Purchase
5 .0
2026-01-22
Deployed these industrial 2.5G BiDi modules in our outdoor cabinets across Nevada. The -40 to 85C rating is legit. DDM monitoring shows stable 1550nm-TX power even in extreme desert heat.
Please write comments with more than three
character.
481492
453928
S***s
United States
Verified
Purchase
5 .0
2025-12-30
Using these for cell tower backhaul links. The simplex LC interface saves fiber strands, and the 1310nm-RX sensitivity is excellent. DOM tracks voltage perfectly. Outstanding value for enterprise B2B batch deployment.
Please write comments with more than three
character.
481492
453911
M***n
Brazil
Verified
Purchase
5 .0
2025-11-15
Bought for a 2.5G home NAS setup and small data center interconnection. The single-mode fiber connection is flawless. Zero dropped packets after weeks of stress testing this industrial SFP module.
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