The LINK-PP LQ-CW400-LR4C is a high-performance 400G QSFP112 optical transceiver compliant with QSFP112 MSA V2.0, CMIS 5.1, and 400GAUI-4 standards. Operating on a single 3.3V power supply with under 10W power consumption, it utilizes 4x100G PAM4 modulation, high-precision EML lasers, and PIN receivers to deliver exceptional 400Gbps transmission over single-mode fiber infrastructure reliably.
Key Features of LINK-PP LQ-CW400-LR4C 400G QSFP112
Engineered for next-generation networks, the LINK-PP LQ-CW400-LR4C 400G QSFP112 transceiver features low 10W maximum power consumption, a standard duplex LC connector, and 4-lane CWDM multiplexing. It offers 400G-LR4-10 compliance, commercial operating temperature range from 0°C to 70°C, and comprehensive digital diagnostic monitoring capabilities.
LINK-PP LQ-CW400-LR4C 400G QSFP112 Optical Module
The LINK-PP LQ-CW400-LR4C optical module integrates advanced 4x100Gb/s PAM4 retimer architecture with an integrated EML TOSA and PIN ROSA, delivering superior 400Gb/s aggregate bandwidth and reliable signal integrity for hyperscale computing.
LQ-CW400-LR4C: 400G Connectivity for 5G Networks
Optimized for high-throughput telecommunication environments, the LQ-CW400-LR4C module delivers ultra-low latency and ultra-high bandwidth 400G interconnectivity for modern 5G mid-haul, backhaul networks, enterprise campus backbones, and next-generation cloud edge computing infrastructures.
LQ-CW400-LR4C Module with CWDM4 Technology for Fiber Efficiency
By utilizing four-channel CWDM optical multiplexing and de-multiplexing design, the LQ-CW400-LR4C module merges four 100G lanes into one duplex fiber pair, significantly maximizing existing dark fiber capacity while minimizing costly cabling deployment expenses.
LQ-CW400-LR4C Module with 1271nm, 1291nm, 1311nm, 1331nm Wavelength
The LQ-CW400-LR4C module operates across four standardized CWDM grid central wavelengths—1271nm, 1291nm, 1311nm, and 1331nm. This precise 20nm channel spacing ensures minimal optical crosstalk, superior side-mode suppression ratio, and optimal transmission stability.
LQ-CW400-LR4C Module Supporting 10km Transmission
With built-in host FEC support and an optimized optical link budget, the LQ-CW400-LR4C transceiver enables long-reach data transmission up to 10 kilometers over standard G.652 single-mode fiber (SMF), perfect for inter-datacenter links.
LQ-CW400-LR4C Module with Duplex LC Interface
Equipped with an industry-standard duplex LC optical receptacle, the LQ-CW400-LR4C module allows seamless connection with existing patch cords and distribution frames, facilitating effortless installation, secure latching, and reduced maintenance in high-density networking racks.
LQ-CW400-LR4C Module with DOM for Real-Time Monitoring
Featuring comprehensive Digital Optical Monitoring (DOM) compliant with CMIS 5.1, the LQ-CW400-LR4C transceiver provides real-time diagnostics for operating temperature, supply voltage, laser bias currents, and transmitted/received optical power levels, ensuring proactive network troubleshooting.
LINK-PP LQ-CW400-LR4C 400G QSFP112 Certification
The LINK-PP LQ-CW400-LR4C 400G QSFP112 module complies with strict global regulatory standards, ensuring industry-grade environmental safety, electro-magnetic compatibility, robust operational reliability, and dependable commercial network deployment.
Every LQ-CW400-LR4C unit undergoes an intensive multi-stage quality assurance protocol, verifying signal integrity, optical parameters, and electrical performance to eliminate field failure risks before shipment.
LQ-CW400-LR4C Quality Certifications
Fully certified with CE, FCC, UKCA, UL, REACH, and RoHS 2.0, the LQ-CW400-LR4C transceiver satisfies international electrical safety directives and hazardous material environmental compliance benchmarks 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.
LQ-CW400-LR4C Certified for Reliable Host-Device Compatibility
Engineered with broad CMIS 5.1 firmware interoperability, the LQ-CW400-LR4C module guarantees seamless plug-and-play compatibility across leading mainstream 400G data center switches, routers, and network interface cards.
LINK-PP enforces comprehensive multi-parameter lab testing for every QSFP112 module to ensure top-tier performance, low latency, and zero data packet loss.
Optical Spectrum Test
Evaluates central wavelength precision and side-mode suppression ratio across all 4 CWDM channels.
Eye Pattern Test
Measures PAM4 TDECQ metrics and transmitter eye closure to ensure optimal signal fidelity.
Bit Error Rate Test
Verifies pre-FEC error rate thresholds to ensure flawless, error-free 400G data transmission under load.
Temperature Test
Validates optical stability across commercial temperature operating conditions from 0°C to 70°C.
Product Shipping for LINK-PP LQ-CW400-LR4C 400G QSFP112
LINK-PP provides secure, standardized packaging and expedited global shipping solutions to guarantee safe delivery of every LQ-CW400-LR4C 400G QSFP112 optical transceiver.
Anti-Static Protective Packaging
Enclosed in specialized ESD-safe clamshell trays to prevent electrostatic damage during handling.
Shock-Resistant Transport Protection
Cushioned by impact-absorbing outer cartons to safeguard delicate optical connectors in transit.
Fast Order Processing and Dispatch
Streamlined warehouse logistics ensure prompt order fulfillment and fast worldwide dispatch.
Global Logistics and International Delivery
Shipped globally via premium international couriers with complete end-to-end tracking support.
Deploying the LINK-PP LQ-CW400-LR4C is straightforward: hot-plug the transceiver into any QSFP112 port, insert duplex LC single-mode fiber cables, and verify link initialization and real-time telemetry via the host switch’s CMIS 5.1 CLI interface.
LQ-CW400-LR4C 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 LQ-CW400-LR4C 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:
Absolutely! The LQ-CW400-LR4C is QSFP112 MSA compliant and rigorously tested for multi-vendor interoperability. They plug and play seamlessly with Juniper, Cisco, and generic networking gear without triggering any "unsupported transceiver" warnings. By
admin on
2026-06-01
A:
Yes, 100%. The module is fully certified under CE, FCC, UKCA, UL, REACH, and RoHS 2.0. It meets all global environmental safety and electro-magnetic compatibility standards required for commercial network deployments. By
admin on
2026-03-21
A:
You can definitely reuse your existing G.652 fiber! The LQ-CW400-LR4C uses standard Duplex LC/UPC connectors and multiplexes four 100G channels (1271nm-1331nm) via CWDM4 technology over a single pair of Single-Mode Fiber (SMF) up to 10km. No costly MPO infrastructure upgrades are required. By
admin on
2026-03-18
A:
This specific LQ-CW400-LR4C model is engineered for commercial indoor scenarios, such as climate-controlled server rooms and enterprise campuses (0°C to 70°C). However, we do manufacture custom industrial-grade optics for extreme outdoor conditions. Please contact our technical support team to spec out a specialized wide-temp 400G solution! By
admin on
2026-02-27
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J***n
Argentina
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5 .0
2026-04-14
We needed reliable 400GBASE-LR4-10 optics for a major data center 400G PAM4 upgrade in Chicago. These modules deliver identical performance to $4k OEM parts but at a fraction of the cost.
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M***z
France
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5 .0
2025-07-18
Deployed these 400G QSFP112 transceivers in our outdoor climate-controlled cabinets. Despite running near the 70°C limit, the DOM real-time diagnostics show stable voltage and laser bias. Fantastic engineering.
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459611
M***e
Venezuela
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5 .0
2025-07-08
I ran strict benchmark tests on this LINK-PP LQ-CW400-LR4C module. The EML transmitter and PIN receiver maintain exceptional signal integrity over 10km SMF. Ideal 400G solution for hyperscale cloud data centers!
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