The Arista QSFP-4W40-100G-I Compatible LINK-PP module is a ruggedized industrial-grade optical transceiver designed for high-speed 100G Ethernet applications over single-mode fiber. Compliant with 100GBASE-ER4 standards, it utilizes advanced LAN-WDM multiplexing to deliver stable, low-latency 100Gbps transmission up to 40km in harsh operating temperatures ranging from -40°C to +85°C. Built-in digital diagnostic monitoring ensures continuous performance tracking for mission-critical network infrastructure.
Key Features of Arista QSFP-4W40-100G-I Compatible LINK-PP 100G QSFP28
This industrial 100GBASE-ER4 transceiver provides robust high-capacity connectivity by leveraging integrated LAN-WDM optics and a highly sensitive APD receiver. Engineered to strict 100GBASE-ER4 specifications, it ensures flawless 100Gbps data transmission over a 40km single-mode fiber link, making it an optimal solution for extended metropolitan area networks and resilient outdoor telecommunications nodes.
The QSFP-4W40-100G-I 100GBASE-ER4 module delivers reliable 100Gbps performance over 40km single-mode fiber, fully meeting 100GBASE-ER4 standards for seamless integration into harsh industrial network environments.
QSFP-4W40-100G-I : 100Gbps Connectivity for Data Center Interconnect
QSFP-4W40-100G-I provides 100Gb/s connectivity for data center interconnect between aggregation switches and core routers. It is also well suited to enterprise core, distribution-layer, and service-provider backbone links that need 40 km single-mode reach and 100GBASE-ER4-class long-distance positioning.
QSFP-4W40-100G-I Module with LAN-WDM Technology for Fiber Efficiency
LAN-WDM technology combines four optical lanes into a single 100G transmission path, improving fiber utilization for long-reach links. This makes the 100GBASE-ER4 module a practical option for deployments where bandwidth efficiency and single-mode reach both matter.
QSFP-4W40-100G-I Module with Central Wavelengths of 4 Channels 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm
Aligns precisely with the zero-dispersion window of standard single-mode optical fiber. Operating on these specific grid intervals ensures strict adherence to required optical standards while eliminating the need for costly external dispersion compensation.
The 100GBASE-ER4 module supports up to 40 km transmission over single-mode fiber, making it suitable for long-reach optical links between separate network nodes. In 100GBASE-ER4-class deployments, host-side FEC is typically used to help achieve the specified reach.
QSFP-4W40-100G-I Module with Duplex LC Interface
Duplex LC Interface provides a high-density, standardized optical connection that ensures flawless compatibility with existing patch panel infrastructure. The high-precision ceramic ferrules within the duplex interface guarantee ultra-low insertion loss and maximum physical stability for critical network links.
QSFP-4W40-100G-I Module with DDM for Real-Time Monitoring
DDM/DOM support enables real-time monitoring of key operating parameters, helping technicians verify link health and troubleshoot faster. This proactive diagnostic capability is vital for predictive maintenance and rapid troubleshooting within complex 100G architectures.
The 100GBASE-ER4 module should be validated through optical, electrical, and environmental screening to ensure stable performance in 100G deployment scenarios.
QSFP-4W40-100G-I Quality Certifications
The module holds rigorous industry certifications including CE, FCC, and RoHS, assuring full alignment with global safety and environmental regulations.
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-4W40-100G-I Certified for Reliable Host-Device Compatibility
Meticulously programmed firmware guarantees seamless, plug-and-play interoperability with a diverse ecosystem of OEM switches and core routing equipment.
Rigorous testing helps confirm that the QSFP28 100GBASE-ER4 module maintains optical margin, signal integrity, and stable operation before deployment.
Optical Spectrum Test
Verifies that each channel stays within the intended LAN-WDM wavelength window.
Eye Pattern Test
Checks signal quality and confirms clean transmission at 100Gbps.
Bit Error Rate Test
Measures link stability and helps confirm low-error operation under real workload conditions.
Temperature Test
Confirms that the module remains stable across the industrial range from -40°C to +85°C.
Product Shipping for Arista QSFP-4W40-100G-I Compatible LINK-PP 100G QSFP28
Each 100GBASE-ER4 module should be packed in anti-static protective materials and cushioned for safe handling during transit. Orders are typically prepared for shipment with attention to shock resistance, fast dispatch, and international logistics readiness.
Anti-Static Protective Packaging
ESD-safe packaging helps protect the optical transceiver from electrostatic damage during storage and transport.
Shock-Resistant Transport Protection
Reinforced outer packaging helps reduce the risk of vibration and impact during shipping.
Fast Order Processing and Dispatch
Efficient order handling helps shorten lead time from confirmation to shipment.
Global Logistics and International Delivery
International shipping support makes it easier to supply customers across different regions.
The QSFP-4W40-100G-I is suitable for 100G links in data centers, enterprise core and distribution layers, metro networks, and service provider transport. Network administrators can also observe the software interface retrieving real-time DDM metrics, confirming optimal transmit and receive power levels across a simulated 40km metropolitan fiber span.
QSFP-4W40-100G-I 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-4W40-100G-I 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. The module complies with QSFP28 MSA specifications, supports DDM/DOM digital diagnostics, and is designed for 100G Ethernet applications including data center interconnect, enterprise backbone, telecom transport, and cloud networking. By
admin on
2026-04-23
A:
Absolutely. We provide competitive bulk pricing, project quotations, and long-term supply support for telecom operators, cloud data centers, enterprise customers, and system integrators. By
admin on
2026-02-18
A:
The transceiver uses single-mode fiber (SMF) with a Duplex LC optical interface and supports 100G Ethernet transmission up to 40km using LAN-WDM 1310nm technology. By
admin on
2025-12-16
A:
Yes. The industrial-grade model is designed for extended operating temperatures, making it ideal for outdoor communication cabinets, factory automation, utility networks, transportation systems, and other demanding environments. By
admin on
2025-02-03
A:
Yes. It supports broad OEM compatibility and can be programmed for Cisco, Juniper, Arista, Dell, NVIDIA, HPE, MikroTik, Ubiquiti, and many other mainstream networking platforms. By
admin on
2024-12-31
Please write comments with more than three
character.
494625
354599
T***e
Canada
Verified
Purchase
5 .0
2026-03-02
We tested interoperability across Cisco, Juniper, Arista, Dell, and NVIDIA switches, allowing seamless deployment throughout our mixed-vendor data center and enterprise backbone infrastructure.
Please write comments with more than three
character.
494625
354592
M***s
Costa Rica
Verified
Purchase
5 .0
2025-09-29
Using these QSFP28 transceivers for telecom aggregation and regional backbone connectivity reduced hardware costs while delivering dependable 40km transmission with consistent digital diagnostics throughout long-term field operation.
Please write comments with more than three
character.
494625
354594
M***l
Denmark
Verified
Purchase
5 .0
2025-08-14
The industrial-grade design handled wide temperature fluctuations inside outdoor communication cabinets while maintaining stable optical power and reliable 100G Ethernet performance over single-mode fiber.
Please write comments with more than three
character.
494625
354596
M***y
United States
Verified
Purchase
5 .0
2025-01-23
LINK-PP is the most user-friendly website I have ever found. It has very knowledgeable staff and offers various good products at a reasonable price. Also, the Fast delivery has helped me save a lot of time.
Please write comments with more than three
character.
494625
354580
J***l
Romania
Verified
Purchase
5 .0
2023-09-05
It is always a pleasure to purchase from l-p.com. Their website is easy and friendly to use and the products have great descriptions and always accurately show. Customer service is the best I've experienced..
Australia · English · AUD
