The Cisco QSFP-100G-LR4-S Compatible LINK-PP module is a 100GBASE-LR4 QSFP28 optical transceiver designed for high-speed Ethernet links over single-mode fiber. It supports an aggregate data rate of 103.125Gb/s, a maximum reach of 10km, and provides stable duplex LC connectivity with DDM support for real-time monitoring.
Key Features of Cisco QSFP-100G-LR4-S Compatible LINK-PP 100G QSFP28
The QSFP-100G-LR4-S is a standards-compliant 100GBASE-LR4 QSFP28 transceiver built for long-reach data center and enterprise interconnects. It combines LAN-WDM technology, 10km transmission capability, and Duplex LC interfaces to deliver efficient and reliable 100G optical connectivity with DDM diagnostics for simplified network operation.
Engineered for optimal fiber efficiency and low power consumption, this reliable 100GBASE-LR4 QSFP28 transceiver provides seamless 103.1Gb/s connectivity up to 10km for demanding networking environments.
QSFP-100G-LR4-S : 100Gbps Connectivity for Data Center Spine-to-Leaf Links
The QSFP-100G-LR4-S provides 100Gb/s connectivity for high-density data center spine-to-leaf links, where low-latency and stable long-reach optical transmission are essential. It is also well suited for aggregation switches that need dependable 100GBASE-LR4 QSFP28 interoperability across single-mode fiber.
QSFP-100G-LR4-S Module with LAN-WDM Technology for Fiber Efficiency
By multiplexing four distinct 25Gb/s optical signals onto a single strand of fiber, this technology dramatically maximizes the bandwidth capacity of existing optical infrastructure. This efficient design eliminates the need to lay expensive additional cables, significantly reducing overall deployment costs for network expansions.
QSFP-100G-LR4-S Module with Central Wavelengths of 4 Channels 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm
Operating within the highly stable O-band grid, these tightly spaced optical channels effectively minimize chromatic dispersion over standard single-mode fiber links. The precision of the DFB-based transmitter ensures exact wavelength alignment, preventing cross-channel interference and guaranteeing signal integrity.
The QSFP-100G-LR4-S is engineered for transmission distances up to 10km on single-mode fiber, making it suitable for campus links, metro-access connections, and inter-rack optical uplinks. This long-reach capability is a key advantage of the 100GBASE-LR4 QSFP28 standard.
QSFP-100G-LR4-S Module with Duplex LC Interface
The 100GBASE-LR4 QSFP28 module uses a Duplex LC interface, which offers a compact and widely adopted connector type for 100G optical networking. This makes the QSFP-100G-LR4-S easier to deploy in existing fiber infrastructure and simplifies integration with standard SMF patch cords.
QSFP-100G-LR4-S Module with DDM for Real-Time Monitoring
Accessible via a standard I2C interface compliant with SFF-8636, the digital diagnostic monitoring function provides continuous telemetry on temperature, voltage, and optical power levels. This proactive visibility empowers network administrators to swiftly isolate faults and optimize link performance before unexpected downtime occurs.
The Cisco QSFP-100G-LR4-S Compatible LINK-PP 100GBASE-LR4 QSFP28 transceiver is rigorously certified to meet strict international telecommunications standards and environmental safety regulations.
Every single module is subjected to extensive factory validation to ensure baseline optical performance, power efficiency, and mechanical reliability.
QSFP-100G-LR4-S Quality Certifications
The 100GBASE-LR4 QSFP28 module is manufactured under controlled quality processes and aligned with relevant RoHS and industry compliance requirements.
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.
QSFP-100G-LR4-S Certified for Reliable Host-Device Compatibility
Thorough interoperability testing guarantees that the module functions seamlessly across a wide range of major OEM switches and routers.
Advanced laboratory testing procedures are strictly enforced during production to guarantee that every unit delivers flawless high-speed networking under heavy network loads.
Optical Spectrum Test
Verifies wavelength accuracy and spectral performance across all four LAN-WDM channels.
Eye Pattern Test
Confirms signal clarity and transmission quality for stable high-speed optical output.
Bit Error Rate Test
Measures data transmission reliability and helps ensure low-error 100G operation.
Temperature Test
Checks performance stability across the specified case temperature range from 0°C to +70°C.
Product Shipping for Cisco QSFP-100G-LR4-S Compatible LINK-PP 100G QSFP28
LINK-PP ships the QSFP-100G-LR4-S with protective packaging and a fulfillment process designed to reduce handling risk and support timely delivery. The 100GBASE-LR4 QSFP28 module is prepared for secure transport from factory to destination.
Anti-Static Protective Packaging
Each unit is packed with ESD-safe materials to protect sensitive optical and electronic components during handling.
Shock-Resistant Transport Protection
Reinforced packaging helps minimize vibration and impact damage during shipping.
Fast Order Processing and Dispatch
Orders are processed efficiently to support short lead times and reliable dispatch scheduling.
Global Logistics and International Delivery
International shipping support helps customers receive 100GBASE-LR4 QSFP28 modules across global supply chains.
The Cisco QSFP-100G-LR4-S Compatible LINK-PP module is commonly used in 100G optical links between switches, routers, and aggregation platforms. Its 10km reach, Duplex LC interface, and DDM support make it a practical choice for long-reach enterprise and data center deployments.
QSFP-100G-LR4-S 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 QSFP-100G-LR4-S 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.
Below are the most common technical questions buyers ask when evaluating a 100GBASE-LR4 QSFP28 module for deployment and compatibility.
This 100GBASE-LR4 QSFP28 module is specifically designed to support a maximum link length of 10 kilometers over standard Single Mode Fiber (SMF) without requiring external amplification.
Yes, the 100GBASE-LR4 QSFP28 is fully compliant with the QSFP28 MSA technical specifications, ensuring seamless plug-and-play interoperability with major equipment vendors like Cisco, Juniper, and Arista.
Absolutely, it features comprehensive DDM functions accessible via the I2C interface as specified by SFF-8636, allowing real-time monitoring of temperature, optical transmit/receive power, and voltage.
The module utilizes a high-performance 4x25Gb/s DFB-based LAN-WDM transmitter, which provides excellent wavelength stability and minimizes chromatic dispersion over the 10km optical link.
It is designed for compatible QSFP28 host systems that support 100GBASE-LR4 optical modules. Final compatibility should always be confirmed against the host platform’s approved vendor list and port requirements.
Yes. The transceiver follows MSA requirements and supports common Ethernet networking applications as well as telecom transport environments where compatible standards are required. by LINK-PP Technical Support
The module supports the specified optical fiber type on the product page and uses standard LC connectivity for reliable enterprise and telecom installations. by LINK-PP Technical Support
Yes. They support broad OEM compatibility and can be programmed for Cisco, Juniper, Aruba, Ubiquiti, Dell, Netgear, and other major networking vendors. by LINK-PP Technical Support
Absolutely. Volume discounts and customized quotations are available for data centers, telecom operators, system integrators, and long-term procurement projects. by LINK-PP Technical Support
Yes. Industrial-grade models with extended operating temperature ranges are available for telecom sites, manufacturing facilities, and other harsh deployment scenarios. by LINK-PP Technical Support
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