The LINK-PP LQD-LW400-ER8C is a high-performance 400GBASE-ER8 optical transceiver engineered for long-haul networks. Compliant with IEEE 802.3cn and QSFP-DD MSA, this module utilizes advanced PAM4 modulation, an EML laser, and a highly sensitive APD receiver to deliver robust 400Gbps connections over 40km of single-mode fiber in enterprise networking environments.
Key Features of LINK-PP LQD-LW400-ER8C 400G QSFP-DD
Designed for demanding network infrastructures, the LINK-PP LQD-LW400-ER8C 400G QSFP-DD transceiver features a maximum power consumption of 14W. It supports CMIS 4.0 management and delivers exceptional signal integrity for telecom and data center interconnects, ensuring reliable, high-speed, and RoHS-compliant optical transmission.
This advanced LQD-LW400-ER8C optical module provides a robust architecture for next-generation telecommunications. By leveraging premium EML and APD components, it ensures stable 425Gbps total data throughput, making it essential for upgrading modern high-capacity optical networks.
LQD-LW400-ER8C: 400G Connectivity for Hyperscale Data Centers
Tailored for data center interconnects, the LQD-LW400-ER8C facilitates seamless 400G connectivity across hyperscale environments. Its high-density QSFP-DD form factor maximizes port efficiency, enabling cloud providers to handle massive bandwidth demands and intensive data workloads effortlessly.
LQD-LW400-ER8C Module with LAN-WDM Technology for Fiber Efficiency
Utilizing advanced LAN-WDM technology, the LQD-LW400-ER8C multiplexes multiple wavelengths onto a single optical fiber. This design significantly improves fiber utilization and reduces infrastructure costs while maintaining superior signal quality over extended long-distance communication links.
LQD-LW400-ER8C Module with 8 Channel Wavelength
Operating with an 8-channel wavelength architecture (1273.55nm-1309.14nm), the LQD-LW400-ER8C processes eight independent 53.125Gb/s signals. These channels are precisely multiplexed to achieve a reliable 400G output, delivering optimal performance and minimizing cross-channel interference during high-speed data transmission.
Engineered for extended reach applications, the LQD-LW400-ER8C supports long-haul transmission up to 40km over standard single-mode fiber. This impressive distance capability is achieved through its high-sensitivity APD receiver, perfectly suiting remote campus and enterprise networking.
LQD-LW400-ER8C Module with Duplex LC Interface
Equipped with a standard duplex LC interface, the LQD-LW400-ER8C ensures seamless integration into existing fiber optic infrastructures. This widely adopted connector type guarantees secure, low-loss physical connections, allowing for quick deployment and simplified network maintenance.
LQD-LW400-ER8C Module with DOM for Real-Time Monitoring
The LQD-LW400-ER8C incorporates comprehensive Digital Optical Monitoring (DOM) capabilities. Network administrators can accurately track real-time transceiver metrics such as operating temperature, supply voltage, and optical transmit or receive power, significantly enhancing system reliability and troubleshooting.
LINK-PP LQD-LW400-ER8C 400G QSFP-DD Certification
The LINK-PP LQD-LW400-ER8C meets stringent international regulatory standards. Comprehensive compliance guarantees safe, environmentally friendly, and highly stable operation for enterprise-grade data networking deployments worldwide.
Every LQD-LW400-ER8C transceiver undergoes a meticulous quality testing program. This extensive evaluation process guarantees exceptional optical performance, durability, and consistent 400G signal integrity under intensive enterprise usage.
LQD-LW400-ER8C Quality Certifications
Validating its superior manufacturing, the LQD-LW400-ER8C proudly holds major global certifications, including CE, FCC, UKCA, UL, and REACH, ensuring compliance with the highest safety and environmental guidelines.
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.
LQD-LW400-ER8C Certified for Reliable Host-Device Compatibility
Extensively verified for broad interoperability, the LQD-LW400-ER8C provides certified compatibility with major host devices. This ensures plug-and-play functionality, minimizing deployment risks and maximizing seamless network integration.
Advanced laboratory diagnostics and rigorous quality control protocols are applied to every module, ensuring optimal QSFP-DD performance and long-term network reliability.
Optical Spectrum Test
Precise evaluation of the LAN-WDM center wavelengths and optimal side-mode suppression ratio.
Eye Pattern Test
Comprehensive PAM4 signal analysis guarantees excellent eye quality and low dispersion penalty.
Bit Error Rate Test
Extended traffic stress testing validates superior data accuracy and acceptable pre-FEC levels.
Temperature Test
Harsh thermal cycling ensures stable operation within the 0°C to 70°C commercial range.
Product Shipping for LINK-PP LQD-LW400-ER8C 400G QSFP-DD
We ensure secure and efficient worldwide product shipping for the LQD-LW400-ER8C, guaranteeing that your high-value 400G optical networking equipment arrives flawlessly intact.
Anti-Static Protective Packaging
Premium ESD-safe blister packaging prevents electrostatic damage during handling.
Shock-Resistant Transport Protection
Durable outer cartons with tailored cushioning eliminate physical transit impacts.
Fast Order Processing and Dispatch
Streamlined warehouse operations guarantee swift order fulfillment and rapid dispatch.
Global Logistics and International Delivery
Partnered with top carriers to provide reliable and traceable global shipping.
Deploying the LINK-PP LQD-LW400-ER8C is straightforward and efficient. By simply inserting the QSFP-DD form factor into compatible switches and connecting the duplex LC fiber, network engineers can instantly establish a reliable 400G, 40km long-haul data center interconnect.
LQD-LW400-ER8C 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 LQD-LW400-ER8C 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:
To achieve the maximum 40km transmission distance with zero loss, you must use standard OS2 Single Mode Fiber (SMF) paired with Duplex LC/UPC connectors. By
admin on
2026-08-21
A:
Yes, our LQD-LW400-ER8C transceiver is rigorously tested for cross-brand compatibility. It functions flawlessly in mixed networking setups, including Cisco, Arista, Juniper, Dell, and NVIDIA/Mellanox platforms. By
admin on
2026-05-14
A:
This specific SKU is designed for commercial temperatures (0°C to 70°C). However, we can provide customized industrial wide-temperature (-40°C to 85°C) 400G optics upon request for extreme outdoor base station deployments. By
admin on
2026-04-17
A:
Absolutely. We support wholesale pricing for bulk deployments. For orders over 100 units, the price drops significantly, and we offer flexible net terms for approved enterprise procurement accounts. By
admin on
2026-04-17
Please write comments with more than three
character.
495112
463650
S***r
Czech Republic
Verified
Purchase
5 .0
2026-08-13
I was skeptical about OEM compatible 400G modules, but this 1310nm 40km transceiver matches our original Arista optics perfectly. The 8x50G PAM4 signaling is rock solid even in our high-density server racks.
Please write comments with more than three
character.
495112
463648
T***t
Colombia
Verified
Purchase
5 .0
2026-07-21
Tested the 0°C to 70°C operating temp limits in a poorly ventilated outdoor cabinet setup. Survived the summer heatwave without dropping a single packet. Incredible build quality for a 400G backbone link!
Please write comments with more than three
character.
495112
463664
M***k
Italy
Verified
Purchase
5 .0
2026-07-20
Deployed several 400G QSFP-DD PAM4 LWDM ER8 transceivers for our regional data center interconnects. The APD receiver handles the 40km distance effortlessly, and DOM reports stable temps around 45°C. Top tier hardware!
Please write comments with more than three
character.
495112
463651
B***n
Chile
Verified
Purchase
5 .0
2025-12-04
Upgraded our core fiber network using these duplex LC SMF transceivers. We needed reliable 425Gbps throughput under heavy load. The DDM features provide excellent diagnostic metrics for our daily NOC monitoring operations.
Canada · English · CAD
