The Juniper QDD-400G-LR8 Compatible LINK-PP module is a high-performance 400GBASE-LR8 QSFP-DD optical transceiver designed for long-reach data center interconnects. This commercial-grade module supports 53.125Gbps PAM4 signaling across eight LAN-WDM channels, achieving an aggregate 400G data rate over 10km of single-mode fiber. It maintains a low power consumption under 14W and complies with standard 400GAUI-8 electrical interfaces.
Key Features of Juniper QDD-400G-LR8 Compatible LINK-PP 400G QSFP-DD
Designed to meet rigorous data center requirements, the QDD-400G-LR8 integrates advanced EML lasers and high-sensitivity PIN detectors. It is fully compliant with the 50G Lambda MSA and CMIS 5.0 management standards, ensuring seamless network integration, superior optical performance, and robust long-haul connectivity solutions.
Operating as a premier enterprise optical module, the QDD-400G-LR8 delivers exceptional 400G connectivity. It efficiently multiplexes eight optical signals into a single transmission stream, serving as an ideal foundation for modern high-speed routing and switching infrastructures.
QDD-400G-LR8: 400G Connectivity for HPC Backbones
Engineered for High-Performance Computing (HPC) environments, the QDD-400G-LR8 provides ultra-low latency and massive bandwidth. This 400G transceiver is perfectly suited for demanding Infiniband interconnects and scalable cloud networks requiring uninterrupted data throughput.
QDD-400G-LR8 Module with LAN-WDM Technology for Fiber Efficiency
Utilizing advanced LAN-WDM technology, the QDD-400G-LR8 drastically improves fiber utilization. By multiplexing multiple wavelengths onto a single-mode fiber, this 400G transceiver maximizes data center cabling efficiency while minimizing long-term infrastructure expansion costs.
QDD-400G-LR8 Module with 8 Channel Wavelength
The QDD-400G-LR8 operates across an 8-channel LAN-WDM wavelength grid ranging from 1273.55nm to 1309.14nm. This precise optical spacing ensures minimal signal crosstalk and guarantees stable 425Gbps data transmission across complex network topologies.
QDD-400G-LR8 Module Supporting 10km Transmission
Delivering extended connectivity, the QDD-400G-LR8 supports reliable signal transmission up to 10km over standard single-mode fiber. This impressive reach makes the 400GBASE-LR8 module ideal for cross-campus networking and metropolitan area network deployments.
QDD-400G-LR8 Module with Duplex LC Interface
Featuring a standard duplex LC optical interface, the QDD-400G-LR8 ensures plug-and-play compatibility with existing fiber infrastructures. This straightforward connector design enables rapid network upgrades to 400G without requiring specialized cabling adjustments.
QDD-400G-LR8 Module with DOM for Real-Time Monitoring
Equipped with comprehensive Digital Optical Monitoring (DOM) capabilities, the QDD-400G-LR8 allows network administrators to track real-time parameters. Through a two-wire interface, operators can precisely monitor temperature, voltage, and optical transmit or receive power.
The Juniper QDD-400G-LR8 Compatible LINK-PP strictly adheres to global compliance standards. This QSFP-DD transceiver ensures environmental and operational safety for enterprise networking through recognized international quality validations.
Every QDD-400G-LR8 unit undergoes a comprehensive quality testing program. We simulate extreme network environments to guarantee that each 400G optical module delivers peak performance and unwavering long-term stability.
QDD-400G-LR8 Quality Certifications
Demonstrating manufacturing excellence, the QDD-400G-LR8 boasts multiple regulatory certifications. It is fully certified with CE, FCC, UKCA, UL, REACH, and RoHS, confirming absolute environmental safety and compliance.
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.
QDD-400G-LR8 Certified for Reliable Host-Device Compatibility
Beyond basic quality checks, the QDD-400G-LR8 is heavily certified for widespread host-device compatibility. It ensures seamless integration with major switch brands, preventing interoperability issues during deployment.
To guarantee superior 400G networking capabilities, the QDD-400G-LR8 transceiver must pass strict factory evaluations focusing on optical precision and data integrity.
Optical Spectrum Test
We verify the precise 8-channel wavelengths to ensure optimal LAN-WDM transmission accuracy.
Eye Pattern Test
Advanced eye diagram analysis guarantees clear PAM4 signal integrity and prevents data distortion.
Bit Error Rate Test
Strict bit error testing validates that the pre-FEC BER meets the required network standards.
Temperature Test
Thermal cycle testing confirms stable module performance across the 0°C to 70°C commercial range.
Product Shipping for Juniper QDD-400G-LR8 Compatible LINK-PP 400G QSFP-DD
Ensuring your QDD-400G-LR8 optical modules arrive in pristine condition, our secure shipping protocols combine advanced packaging techniques with trusted global distribution networks.
Anti-Static Protective Packaging
Each transceiver is sealed in premium ESD-safe bags to prevent static electrical damage.
Shock-Resistant Transport Protection
Custom foam inserts provide excellent shock absorption during rigorous international transit handling.
Fast Order Processing and Dispatch
We ensure rapid warehouse processing for immediate dispatch of your business network order.
Global Logistics and International Delivery
Partnering with top couriers guarantees swift, secure delivery to international data centers worldwide.
Installing the QDD-400G-LR8 is a straightforward process. Simply insert the QSFP-DD module into a compatible 400G switch port until it clicks, then connect your duplex LC fiber cable to instantly establish a reliable, high-speed optical connection.
QDD-400G-LR8 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 QDD-400G-LR8 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 provide tiered wholesale pricing. For orders over 100 units of the 400GBASE-LR8 modules, the unit price drops significantly. You can also apply our volume promo codes at checkout or contact our enterprise sales team directly for customized B2B quotes. By
admin
A:
This specific 400GBASE-LR8 module strictly requires Single-Mode Fiber (SMF) with Duplex LC connectors to achieve the 10km transmission distance using 8-channel LAN-WDM technology. If you are working with multimode cabling, we recommend looking into our 400G SR8 transceiver options. By
admin
A:
It matches genuine brand optics perfectly! Built with high-quality EML lasers and PIN receivers, it offers the exact same 425Gbps PAM4 signaling and 10km transmission reliability, saving you thousands on OPEX without ever sacrificing core network integrity. By
admin
A:
Absolutely! Our 400G QSFP-DD transceivers undergo rigorous compatibility testing to ensure seamless interoperability. They are coded for multi-vendor environments and work totally plug-and-play with Arista, Juniper, Cisco, Dell, and other major brands. By
admin
A:
The standard LQD-LW400-LR8C is commercial grade, ideal for climate-controlled server rooms. For harsh outdoor environments and external cabinets (-40°C to 85°C), we do offer industrial wide-temp versions of our transceivers. Please contact our technical support team to match the exact industrial P/N for your outdoor deployment. By
admin
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495046
503778
S***l
Thailand
Verified
Purchase
5 .0
2026-06-27
As an engineer managing ISP aggregation, finding reliable 1310nm Duplex LC SMF 400G optics is tough. These handle maximum traffic with under 14W power consumption, saving huge OPEX on cooling.
Please write comments with more than three
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495046
503785
A***e
Portugal
Verified
Purchase
5 .0
2026-04-26
Excellent experience utilizing these QSFP-DD modules for our 400G migration. Their seamless Mellanox compatibility and robust IEEE 802.3bs compliance make them a go-to choice for massive enterprise scale-out architecture.
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495046
503791
D***s
Switzerland
Verified
Purchase
5 .0
2025-12-07
Deployed these 400GBASE-LR8 transceivers in our multi-brand data center interconnects. The CMIS 4.1 protocol synced instantly, and real-time DOM stats show optimal Tx/Rx power over the entire 10km single-mode span. ⚡
United States · English · USD
