The LINK-PP LQD-M31400-FR1SC is a premium 4x 100GBASE-FR1 QSFP-DD optical transceiver engineered for high-speed network architectures. It delivers exceptional 425Gb/s aggregate bandwidth utilizing an advanced silicon photonics engine, single cooled DFB laser, and PAM4 modulation. Operating under 11W, this commercial-grade module ensures optimal power efficiency for demanding data center environments.
LINK-PP Part Number
LQD-M31400-FR1SC
Vendor Name
LINK-PP
Form Factor
QSFP-DD
Max Data Rate
425Gbps
Wavelength
1310nm
Max Cable Distance
2km
Connector
MPO-12/APC
Media
SMF
Transmitter Type
DFB
Receiver Type
PIN
Modulation (Electrical)
8x50G-PAM4
Modulation (Optical)
4x100G-PAM4
DDM/DOM
Supported
Operating Temperature Range
0°C to +70°C
Protocols
IEEE Std 802.3, QSFP-DD MSA, CMIS 4.0
Warranty
5 Years
Key Features of LINK-PP LQD-M31400-FR1SC 400G QSFP-DD
Discover the robust capabilities of the LINK-PP LQD-M31400-FR1SC transceiver, designed to maximize network throughput. Key attributes include full CMIS 4.0 management compliance, a high-density QSFP56-DD Type 2A form factor, and versatile configuration supporting both 400GE continuous links and 4x100GE breakout modes effortlessly.
At the core of the LQD-M31400-FR1SC is an innovative silicon photonics integrated circuit. This SiP engine incorporates a Quad MZM and PIN photodiode alongside integrated DSP, delivering superior signal integrity and reliability for dense 400G switching.
LQD-M31400-FR1SC: 400G Connectivity for Data Center Interconnect
The LQD-M31400-FR1SC perfectly addresses modern data center interconnect demands. By enabling seamless switch-to-switch and router interconnections, this 400G QSFP-DD FR1 solution minimizes latency and maximizes backbone capacity, future-proofing your mission-critical enterprise cloud infrastructure.
LQD-M31400-FR1SC Module with 1310nm Wavelength
Operating within the optimal 1304.5nm to 1317.5nm spectrum, the LQD-M31400-FR1SC utilizes a highly stable 1310nm central wavelength. This cooled DFB laser setup minimizes chromatic dispersion, ensuring precise 400GBASE-FR4 optical transmissions across single-mode fiber links.
Designed for robust mid-reach applications, the LQD-M31400-FR1SC guarantees flawless data transmission up to 2km. Leveraging standard single-mode fiber (SMF), this 400G module offers an ideal balance of cost-efficiency and reach for scalable campus networking setups.
LQD-M31400-FR1SC Module with MPO-12/APC Interface
The LQD-M31400-FR1SC features a precise MPO-12/APC optical connector, enabling reliable parallel multi-fiber connections. The angled physical contact significantly reduces back reflection, maintaining excellent optical return loss tolerance essential for preserving high-speed PAM4 signal fidelity.
LQD-M31400-FR1SC Module with DOM for Real-Time Monitoring
Embedded digital optical monitoring capabilities allow the LQD-M31400-FR1SC to provide continuous real-time diagnostics. Network administrators can easily track critical parameters like optical power, temperature, and voltage, enabling proactive maintenance and reducing unexpected 400G link downtime.
Every LINK-PP LQD-M31400-FR1SC complies with rigorous global industry standards. Our strict certification process guarantees compliance, safety, and reliable operational excellence across diverse enterprise deployment scenarios.
The LQD-M31400-FR1SC undergoes a comprehensive quality testing program. We validate each transceiver using industry-leading diagnostic equipment to verify PAM4 signal integrity, durability, and flawless 400G switching functionality.
LQD-M31400-FR1SC Quality Certifications
The LQD-M31400-FR1SC is fully certified for safe commercial application. It strictly adheres to CE, FCC, UKCA, UL, and REACH standards, ensuring environmental compliance and electrical safety worldwide.
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-M31400-FR1SC Certified for Reliable Host-Device Compatibility
Engineered to MSA standards, the LQD-M31400-FR1SC is certified for broad interoperability. It ensures seamless integration with major OEM routers and switches, eliminating costly vendor lock-in risks.
We implement rigorous validation procedures to ensure the consistent performance of every LQD-M31400-FR1SC, assuring continuous 400G stability in demanding network environments.
Optical Spectrum Test
Verifies the 1310nm central wavelength accuracy and side-mode suppression ratio for optimal transmission.
Eye Pattern Test
Evaluates TDECQ and PAM4 eye symmetry to guarantee clear, jitter-free high-speed optical signals.
Bit Error Rate Test
Measures Pre-FEC performance to confirm the LQD-M31400-FR1SC maintains data accuracy over 2km distances.
Temperature Test
Ensures the commercial LQD-M31400-FR1SC module operates reliably within the standard 0°C to 70°C range.
Product Shipping for LINK-PP LQD-M31400-FR1SC 400G QSFP-DD
Our logistics network ensures every LINK-PP LQD-M31400-FR1SC is delivered securely. We prioritize safe handling to maintain the delicate silicon photonics components.
Anti-Static Protective Packaging
Each LQD-M31400-FR1SC uses specialized ESD packaging to prevent electrical component damage.
Shock-Resistant Transport Protection
We utilize custom foam inserts protecting the QSFP-DD against transit impacts.
Fast Order Processing and Dispatch
Streamlined warehouse operations guarantee swift LQD-M31400-FR1SC dispatch following rapid order confirmation.
Global Logistics and International Delivery
Trusted carrier partnerships enable reliable, worldwide delivery for your 400G deployments.
Deploying the LINK-PP LQD-M31400-FR1SC is straightforward thanks to its hot-pluggable QSFP-DD design. Simply insert the module into a compatible 400G switch port, connect the MPO-12/APC fiber cable, and instantly upgrade your network architecture with high-density bandwidth.
LQD-M31400-FR1SC 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-M31400-FR1SC 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, all our LINK-PP optical modules are fully CE, FCC, and RoHS certified. You can easily download the complete compliance documents, test reports, and ISO certificates directly from our Quality & Compliance Center page for your procurement records. By
admin
A:
No alarms at all! These LQD-M31400-FR1SC transceivers are fully QSFP-DD MSA compliant and coded for strict OEM compatibility. They interoperate seamlessly across multi-vendor environments, including Cisco and Arista, without throwing any proprietary lock-out issues. By
admin
A:
This 400GBASE-FR transceiver specifically requires an MPO-12/APC connector for the 8x50G PAM4 transmission over Single-Mode Fiber (SMF). A standard LC duplex cable will not fit. Please ensure your fiber infrastructure is equipped with MPO/APC interfaces prior to deployment. By
admin
A:
Absolutely. For large-scale data center deployments, we offer tiered bulk pricing to help manage your IT expenditure. Please reach out to our enterprise sales team directly with your required volume, and we'll provide a custom, highly competitive quote. By
admin
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character.
495227
511210
A***z
Bolivia
Verified
Purchase
5 .0
2026-08-09
Deployed these 400GBASE-FR modules for our data center interconnect. The 2km range over SMF and DDM monitoring are spot on. Arista switches recognized them instantly without OEM compatibility warnings!
Please write comments with more than three
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495227
511191
C***r
Dominican Republic
Verified
Purchase
5 .0
2026-06-22
Upgrading our campus fiber networking to 400G. The MPO-12/APC connectors fit perfectly, and the 8x50G PAM4 signal integrity is excellent. Monitored temps stay around 45C under heavy data loads.
Please write comments with more than three
character.
495227
511192
P***t
Netherlands
Verified
Purchase
5 .0
2026-05-27
We installed ten LINK-PP LQD-M31400-FR1SC transceivers in our outdoor cabinets. Handled temperature fluctuations well. MSA standard compliance made integration into our multi-vendor switches a total breeze. Highly recommended!
Please write comments with more than three
character.
495227
511205
M***k
Chile
Verified
Purchase
5 .0
2026-03-31
Tested this silicon photonics transceiver for cell tower backhaul. Solid 425Gbps throughput, low latency, and zero DOM errors. Way better ROI compared to original Cisco optics for bulk deployment.
United States · English · USD
