The LINK-PP LS-MM311G-02I SFP module delivers dependable optical transmission at data rates up to 1.25 Gbps. Operating at a 1310 nm wavelength, it supports transmission distances of up to 2 km over multi-mode fiber (MMF), ensuring consistent signal integrity and industrial-grade reliability in short-to-medium distance networking scenarios.
LINK-PP Part Number
LS-MM311G-02I
Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
1.25Gbps
Wavelength
1310nm
Max Cable Distance
2km
Connector
Duplex LC
Media
MMF
Transmitter Type
FP
Receiver Type
PIN
TX Power
-12 to -3dBm
RX Power
-23 to -1dBm
Receiver Sensitivity
<-23dBm
Receiver Overload
-1dBm
Operating Temperature Range
-40 to 85°C
Protocols
SFF-8472 MSA IEEE 802.3
Key Features of LINK-PP LS-MM311G-02I 1G SFP
The LINK-PP LS-MM311G-02I transceiver provides reliable 1.25 Gbps throughput with steady optical performance across 2 km of MMF. It features a duplex LC interface for quick installation and seamless integration, along with Digital Optical Monitoring (DOM) for real-time diagnostics. These capabilities enhance operational efficiency, simplify maintenance, and ensure smooth deployment.
LINK-PP LS-MM311G-02I 1G SFP Optical Module
The LINK-PP LS-MM311G-02I optical module uses a FP laser transmitter and a PIN photodiode receiver to support accurate optical signal control, high transmission precision, and strong environmental fluctuation resistance, making it ideal for industrial-grade applications.
LS-MM311G-02I: Reliable 1.25 Gbps Connectivity
The LINK-PP LS-MM311G-02I module provides dependable Gigabit Ethernet and 1G Fiber Channel connectivity for enterprise networks, campus backbones, and industrial access layers, with a stable 1.25 Gbps connection.
LS-MM311G-02I Module with 1310nm Wavelength
Operating at a wavelength of 1310nm, this LINK-PP LS-MM311G-02I module offers enhanced attenuation performance, helping reduce signal loss and improve transmission stability over multi-mode fiber links.
LS-MM311G-02I Module Supporting 2km Transmission
Supporting data transmission over distances of 2 kilometers on multi-mode fiber. The LINK-PP LS-MM311G-02I 1G SFP module is a practical choice for inter-building connections, enterprise campus networks, and distribution-layer links.
LS-MM311G-02I Module with Duplex LC Interface
The duplex LC connectors enable efficient separation of transmit and receive channels, allowing for clean cable management, fast deployment, and precise connectivity. It ensures compatibility with standard SFP ports across switches, routers, and media converters.
LS-MM311G-02I Module with DOM for Real-Time Monitoring
Through its DOM function, key operating conditions such as temperature, supply voltage, transmit and receive power can be assessed in real-time, which facilitates troubleshooting and routine maintenance.
LINK-PP LS-MM311G-02I 1G SFP Certification
Precision-built and performance-certified, each LINK-PP module upholds ISO 9001 quality principles and global CE, RoHS, and FCC standards, symbolizing our dedication to excellence in every connection.
Each module undergoes careful multi-stage testing to ensure wavelength accuracy, low error rates, and long-term operating stability.
LS-MM311G-02I Quality Certifications
Recognized globally with ISO 9001, CE, RoHS, and FCC certifications, LINK-PP delivers trusted quality across a wide range of network applications.
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-MM311G-02I Certified for Reliable Host-Device Compatibility
Extensively tested for compatibility with LINK-PP systems, guaranteeing plug-and-play deployment and seamless integration.
Rigorous Testing Ensures Reliable SFP Performance
Comprehensive testing procedures validate durability and performance consistency. Discover more at the LINK-PP Test Support Center.
Optical Spectrum Test
Monitors wavelength precision to support stable transmission.
Eye Pattern Test
Checks waveform clarity to verify clean and accurate data transmission.
Bit Error Rate Test
Ensures low BER for robust network performance.
Temperature Test
Confirms thermal tolerance to prevent performance degradation.
Product Shipping for LINK-PP LS-MM311G-02I 1G SFP
LINK-PP modules are prepared for deployment and shipped via a logistics process that protects the product while ensuring fast, consistent delivery.
Anti-Static Protective Packaging
Static-resistant layers protect the internal components during transit.
Shock-Resistant Transport Protection
Sturdy packaging reduces the risk of shipping damage.
Fast Order Processing and Dispatch
Quick processing ensures efficient fulfillment.
Global Logistics and International Delivery
Optimized logistics support seamless global shipping.
LINK-PP LS-MM311G-02I 1G SFP Usage Demonstration
The LINK-PP LS-MM311G-02I 1G SFP transceiver module is ideal for industrial Ethernet systems, enterprise campus networks, data center aggregation, and building-to-building connectivity with its robust design and stable performance.
LS-MM311G-02I 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-MM311G-02I 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.
DOM is useful for checking optical operating conditions remotely. During troubleshooting, you can use the reported optical information to compare links and identify abnormal TX/RX conditions before replacing hardware unnecessarily. by LINK-PP Technical Support
The module is rated for an operating temperature range of -40 to 85°C, making it suitable for industrial and temperature-variable environments. The cabinet itself should still provide appropriate protection from moisture, dust, and other external conditions. by LINK-PP Technical Support
It is designed for multimode fiber and supports up to 2km transmission. Before deployment, confirm the actual fiber type, link length, connector condition, and optical budget of the installed path to make sure the existing MMF link is suitable. by LINK-PP Technical Support
Verify that the host SFP port accepts a standard 1G SFP and supports the required Ethernet application. During testing, check link establishment, TX/RX optical levels, DOM information, and stability under traffic rather than checking only whether the port comes up. by LINK-PP Technical Support
It can be used for a 1G segment or management link around a 10G NAS environment, provided the switch or network port supports the SFP module. It should not be used as a 10G optical link because its maximum data rate is 1.25Gbps. by LINK-PP Technical Support
An FP laser with a PIN receiver, launching minus twelve to minus three. That modest launch is why the part is cheap, and also why it wants clean connectors rather than a long span.
Please write comments with more than three
character.
491474
632077
D***k
Romania
Verified Purchase
5.0
2026-10-10
Ours live in an unheated cabinet on a wall and have run three winters there. The wider rating is the reason we picked this over the commercial twin, and the fact that the receive window still closes at minus twenty three means a frosty morning does not eat the margin. Nothing on the module has drifted enough to notice on the diagnostics.
Please write comments with more than three
character.
491474
632078
B***e
Austria
Verified Purchase
4.0
2026-09-11
A star off because the page quotes overload at minus one dBm and says nothing about what a short patch run does to the receiver, which is the first thing that bites when the whole link is three metres on a bench.
Please write comments with more than three
character.
491474
632076
C***t
Mexico
Verified Purchase
5.0
2026-08-14
The trade against single-mode is worth doing on paper. Two kilometres of multimode was already in the riser, so the optics were the whole cost, while single-mode would have meant new fibre and new patch fields at both ends. Duplex LC keeps the same cords as everything else in the rack, and we hold two spares because the price makes that easy.
United States · English · USD
