Arista DCS-7500R-8CFPX-LC 8 Ports Tunable Coherent Switch Line Card

Overview of ARISTA 8 Ports Coherent DWDM Switch Line Card  

The ARISTA DCS-7500R-8CFPX-LC is a high-capacity switch line card engineered for demanding data center and carrier-grade networking environments. Built for the 7500R Series platform, this advanced module delivers reliable 200GbE coherent DWDM connectivity with exceptional transmission efficiency and scalable network expansion capabilities.

General Identification

• Manufacturer: Arista Networks
• Part Number: DCS-7500R-8CFPX-LC
• Product Type: Switch Line Card

Key Technical Specifications

• Module Type: DWDM Switch Line Card
• Network Ports: 8x 200 Gigabit Tunable Coherent 
• Throughput Capacity: 200 Gbps
• Platform Support: Arista 7500R Series

High-Speed 200G DWDM Connectivity

• Equipped with 8x 200 Gigabit Tunable Coherent DWDM interfaces
• Supports ultra-fast optical transport for enterprise and cloud infrastructures
• Optimized for long-distance and high-bandwidth networking applications
• Provides stable and efficient data transmission performance
• Designed for scalable next-generation switching environments

Performance Highlights

• 200 Gbps high-speed data transfer capability
• Low-latency communication for mission-critical applications
• Efficient traffic management across dense network deployments
• Enhanced optical networking reliability and flexibility
• Supports demanding cloud, ISP, and hyperscale environments

Compatibility Advantages

• Designed exclusively for Arista 7500R Series switches
• Enables simplified infrastructure scaling
• Supports advanced optical networking deployments
• Helps improve overall network efficiency and uptime
• Ideal for high-density switching environments

Ideal Applications 

• Cloud data center networking
• Large-scale enterprise backbone infrastructure
• Telecommunication and ISP deployments
• High-capacity optical transport networks
• Mission-critical hyperscale environments
• Advanced DWDM connectivity solutions

Benefits of Deploying This Switch Line Card

• Improves optical network scalability
• Delivers consistent high-speed connectivity
• Supports bandwidth-intensive workloads
• Enhances network resilience and operational efficiency
• Reduces bottlenecks in modern data center infrastructures

Arista DCS-7500R-8CFPX-LC 8X 200GB DWDM Switch Line Card  

The Arista DCS-7500R-8CFPX-LC 8X 200GB Tunable Coherent DWDM Switch Line Card is engineered for advanced hyperscale networking environments, enterprise data center fabrics, cloud computing infrastructures, and carrier-grade transport applications that require exceptional throughput, low latency, and intelligent traffic management. Designed for integration with the Arista 7500R Series modular switching architecture, this high-capacity line card delivers scalable performance for modern digital workloads while supporting demanding optical transport requirements across metropolitan, regional, and long-haul network deployments.

Organizations operating high-density data center environments continuously demand improved network efficiency, enhanced scalability, and seamless integration between packet switching and optical transport technologies. The Arista DCS-7500R-8CFPX-LC fulfills these operational demands through advanced coherent DWDM capabilities, ultra-high bandwidth support, and intelligent routing optimization. By integrating tunable coherent optics directly into the switching infrastructure, enterprises can reduce operational complexity while increasing network visibility, automation, and transport efficiency.

Advanced Coherent Optical Networking Capabilities

Integrated Tunable Coherent DWDM Technology

The integrated tunable coherent DWDM technology within the Arista DCS-7500R-8CFPX-LC allows organizations to simplify optical networking architectures while maximizing bandwidth utilization across fiber infrastructure. Tunable coherent optics enable dynamic wavelength selection, making deployment more flexible and efficient in rapidly changing network environments. The coherent DWDM functionality supports long-distance transport while preserving signal integrity and minimizing transmission errors.

Modern enterprise and cloud operators increasingly rely on coherent optical networking to support massive east-west traffic flows generated by virtualization platforms, distributed applications, artificial intelligence workloads, machine learning clusters, and high-performance computing environments. The tunable coherent architecture of this Arista line card helps network administrators deploy scalable transport solutions without requiring separate external transponder systems.

High-Density 200GbE Connectivity

The eight-port 200GbE configuration enables high-density deployment scenarios where maximizing rack efficiency and minimizing physical infrastructure overhead are critical operational priorities. High-capacity Ethernet connectivity provides sufficient throughput for large-scale cloud fabrics, internet exchange points, content delivery infrastructures, and enterprise core networks handling continuously growing traffic volumes.

Each interface is optimized for low-latency packet forwarding and high-speed data transmission, ensuring consistent network responsiveness across business-critical applications. The 200GB coherent interfaces deliver efficient transport for data-intensive workloads including storage replication, disaster recovery synchronization, database clustering, and distributed analytics environments.

Optimized Architecture for Arista 7500R Series Platforms

Seamless Compatibility with Modular Switching Infrastructure

The Arista DCS-7500R-8CFPX-LC is specifically developed for compatibility with Arista 7500R Series modular switches, enabling organizations to expand switching capacity while maintaining architectural consistency throughout the network. The modular design philosophy supports incremental scalability, allowing enterprises to adapt network resources according to evolving workload requirements and future expansion strategies.

Modular networking infrastructure remains essential in environments where flexibility, redundancy, and operational continuity are primary considerations. This line card enhances the modular switching platform by introducing integrated coherent optical transport capabilities directly into the switching layer, reducing the need for external optical conversion equipment and simplifying overall infrastructure management.

Scalable Data Center Fabric Deployment

Scalable data center fabrics require networking components capable of supporting rapid workload growth, virtualization density expansion, and multi-tenant cloud architectures. The Arista DCS-7500R-8CFPX-LC provides the high-bandwidth transport foundation necessary for spine-and-leaf topologies, software-defined networking frameworks, and elastic cloud infrastructures.

By supporting advanced routing protocols, large forwarding tables, and intelligent traffic engineering mechanisms, the line card contributes to predictable performance and efficient bandwidth utilization across large-scale distributed computing environments. Its scalability characteristics make it suitable for organizations expanding into hybrid cloud architectures, edge computing deployments, and geographically distributed application ecosystems.

High-Performance Routing and Traffic Engineering

Enhanced Traffic Optimization

Network traffic patterns continue to evolve due to increasing application complexity, real-time data processing requirements, and rising cloud adoption rates. The Arista DCS-7500R-8CFPX-LC supports sophisticated traffic optimization strategies that improve network efficiency while minimizing congestion and latency. Advanced routing intelligence enables balanced traffic distribution across available paths, ensuring consistent service delivery even during peak utilization periods.

Efficient traffic engineering is particularly valuable in environments supporting streaming services, high-frequency financial applications, real-time collaboration platforms, and latency-sensitive cloud applications. Intelligent forwarding decisions help organizations maintain optimal application performance while reducing operational bottlenecks throughout the infrastructure.

Low-Latency Packet Processing

Low-latency operation is a critical requirement for modern digital enterprises that rely on real-time communications, transactional processing, and high-speed application responsiveness. The hardware architecture of the Arista DCS-7500R-8CFPX-LC is optimized for ultra-fast packet forwarding, enabling rapid data transmission across complex network environments.

Applications such as algorithmic trading systems, distributed storage platforms, artificial intelligence training clusters, and cloud-native application frameworks depend heavily on predictable latency characteristics. This line card delivers the performance consistency required for mission-critical operational environments where delays directly impact productivity, revenue generation, or service quality.

Enterprise-Class Reliability and Availability

Carrier-Grade Network Stability

Carrier-grade reliability is essential for organizations operating business-critical networks that cannot tolerate downtime or inconsistent service delivery. The Arista DCS-7500R-8CFPX-LC incorporates enterprise-level resiliency features designed to maintain continuous operation even in demanding network conditions. Redundant architecture support and intelligent fault isolation mechanisms contribute to long-term infrastructure stability.

Service providers, cloud operators, research institutions, and large enterprises frequently require uninterrupted data transport for essential operations. The high-availability design characteristics of this coherent DWDM line card help minimize service interruptions while supporting continuous application accessibility and network resilience.

Operational Redundancy and Fault Tolerance

Redundant network architectures are fundamental for maintaining business continuity in large-scale infrastructures. The Arista DCS-7500R-8CFPX-LC supports deployment models that emphasize fault tolerance, redundancy, and rapid failover capabilities. These features help organizations reduce operational risk while maintaining high levels of service availability.

Fault-tolerant network design is increasingly important for industries such as finance, healthcare, telecommunications, government services, and digital commerce, where network disruptions can lead to significant operational consequences. The line card supports resilient infrastructure strategies by enabling continuous high-speed connectivity even during hardware failures or maintenance activities.

Cloud Networking and Hyperscale Infrastructure Support

Designed for Cloud-Scale Operations

Cloud computing environments generate enormous volumes of east-west traffic between servers, storage arrays, virtualization platforms, and distributed applications. The Arista DCS-7500R-8CFPX-LC is optimized to handle these large-scale traffic flows while supporting high-density cloud networking architectures. Its coherent DWDM capabilities further enable efficient interconnection between geographically separated data centers.

Large cloud operators require networking hardware that combines performance, automation support, scalability, and operational simplicity. This Arista line card addresses these requirements through advanced switching intelligence, integrated optical transport functionality, and support for modern software-defined networking frameworks.

Support for Multi-Tenant Data Center Environments

Multi-tenant data centers require secure, scalable, and highly efficient networking solutions capable of isolating traffic while maintaining consistent performance across numerous customer workloads. The Arista DCS-7500R-8CFPX-LC enables high-capacity transport for shared infrastructure environments where bandwidth demands fluctuate continuously.

Efficient traffic isolation, intelligent routing capabilities, and scalable Ethernet connectivity allow service providers and colocation operators to deliver reliable connectivity services to diverse customer environments. The line card supports flexible deployment strategies that align with evolving tenant requirements and dynamic resource allocation models.

Advanced Optical Transport Integration

Long-Distance Data Transmission Efficiency

Long-distance optical transport requires technologies capable of maintaining signal integrity across extended fiber spans while supporting increasing bandwidth demands. The coherent DWDM functionality integrated within the Arista DCS-7500R-8CFPX-LC allows organizations to transmit high-capacity traffic efficiently over metropolitan and regional networks.

As enterprises continue expanding their geographic footprint through distributed data centers, hybrid cloud integration, and edge computing infrastructure, long-distance transport efficiency becomes increasingly important. Tunable coherent optics help maximize fiber utilization while simplifying wavelength management and network provisioning.

Reduced Infrastructure Complexity

Traditional optical transport environments often require separate transponders, muxponders, and optical conversion devices that increase infrastructure complexity and operational overhead. By integrating coherent DWDM capabilities directly into the switching platform, the Arista DCS-7500R-8CFPX-LC streamlines network architecture and reduces equipment requirements.

Simplified infrastructure design can lower power consumption, reduce rack space utilization, minimize cabling complexity, and improve overall operational efficiency. Organizations benefit from consolidated management workflows and improved visibility across both packet and optical transport layers.

Support for Artificial Intelligence and Big Data Workloads

High-Bandwidth Infrastructure for AI Clusters

Artificial intelligence and machine learning environments demand exceptionally high network throughput due to the massive data exchange occurring between GPU clusters, storage systems, and compute resources. The Arista DCS-7500R-8CFPX-LC provides the bandwidth density and low-latency performance required to support AI-driven infrastructure environments.

AI model training operations frequently involve distributed computing architectures that depend on rapid synchronization between compute nodes. High-speed coherent Ethernet connectivity helps reduce communication bottlenecks while accelerating workload processing efficiency across large-scale machine learning environments.

Big Data Analytics and Distributed Processing

Big data platforms generate continuous traffic flows between analytics engines, storage systems, and distributed application frameworks. The Arista DCS-7500R-8CFPX-LC supports these data-intensive environments through scalable transport capacity and intelligent traffic handling capabilities.

Organizations performing real-time analytics, predictive modeling, scientific simulations, and distributed database processing require infrastructure capable of sustaining large volumes of simultaneous traffic. The line card delivers the high-performance networking foundation necessary for modern data-driven operations.

Software-Defined Networking and Automation Integration

Support for Intelligent Network Automation

Modern enterprise networks increasingly rely on automation frameworks to streamline provisioning, improve operational consistency, and accelerate infrastructure deployment. The Arista DCS-7500R-8CFPX-LC integrates effectively with software-defined networking architectures and automation platforms that simplify network lifecycle management.

Automation support enables organizations to reduce manual configuration tasks, improve deployment accuracy, and respond more efficiently to changing business requirements. Intelligent orchestration capabilities contribute to faster service provisioning and improved infrastructure agility across large-scale environments.

Programmable Network Infrastructure

Programmable networking technologies allow enterprises to adapt infrastructure behavior dynamically according to application requirements, workload priorities, and traffic conditions. The Arista DCS-7500R-8CFPX-LC supports programmable operational models that enhance flexibility and optimize resource utilization.

API-driven infrastructure management simplifies integration with cloud orchestration systems, monitoring platforms, and automation frameworks. This programmability enables network administrators to implement policy-based management strategies while improving operational visibility and responsiveness.

Security and Network Segmentation Capabilities

Secure High-Speed Data Transport

Security remains a critical consideration for organizations transmitting sensitive information across distributed network environments. The Arista DCS-7500R-8CFPX-LC supports secure transport strategies through advanced segmentation capabilities, intelligent traffic isolation, and scalable routing architecture.

Secure networking infrastructure is particularly important in industries handling confidential financial records, healthcare information, government communications, and intellectual property. High-performance transport combined with secure segmentation helps organizations maintain compliance requirements while preserving operational efficiency.

Segmentation for Multi-Service Environments

Modern data centers often support multiple applications, departments, customers, or business units within a shared infrastructure environment. The Arista DCS-7500R-8CFPX-LC facilitates efficient segmentation strategies that maintain traffic separation while ensuring high-performance connectivity.

Segmentation improves network security, enhances operational organization, and supports flexible workload management across complex enterprise environments. These capabilities contribute to more efficient infrastructure utilization and simplified policy enforcement across distributed networks.

Energy Efficiency and Space Optimization

Efficient Power Consumption

Energy efficiency is becoming increasingly important as organizations seek to reduce operational costs and improve sustainability initiatives. The Arista DCS-7500R-8CFPX-LC is designed to provide high-performance networking capabilities while maintaining efficient power utilization within dense data center environments.

Efficient networking hardware can significantly reduce long-term operational expenses, especially in hyperscale facilities operating thousands of high-capacity network devices. Lower power consumption also contributes to reduced cooling requirements and improved environmental sustainability.

High-Density Deployment Advantages

Rack space optimization remains a major priority in modern data centers where maximizing infrastructure density directly impacts operational scalability and facility costs. The compact high-density design of the Arista DCS-7500R-8CFPX-LC allows organizations to deploy substantial bandwidth capacity within limited physical space.

High-density coherent Ethernet interfaces support efficient infrastructure scaling while reducing the physical footprint associated with traditional optical transport equipment. This approach helps organizations maximize data center efficiency without compromising network performance or scalability.

Applications Across Enterprise and Service Provider Environments

Telecommunications and Carrier Networks

Telecommunications providers require scalable optical transport and high-capacity switching solutions to support rapidly increasing subscriber traffic and digital service consumption. The Arista DCS-7500R-8CFPX-LC enables service providers to deploy resilient backbone infrastructure capable of handling large-scale data transmission requirements.

Carrier environments benefit from the integrated coherent DWDM functionality, which simplifies optical transport deployment while supporting efficient wavelength management across metropolitan and long-haul fiber networks.

Enterprise Core and Campus Networks

Large enterprises increasingly rely on high-speed core networking infrastructure to support digital transformation initiatives, remote collaboration platforms, cloud migration strategies, and distributed application environments. The Arista DCS-7500R-8CFPX-LC provides the scalability and performance necessary for modern enterprise core deployments.

Its combination of high-density Ethernet connectivity, coherent optical transport support, and intelligent traffic management makes it suitable for organizations seeking to modernize their network backbone infrastructure while preparing for future bandwidth growth.

Content Delivery and Media Streaming Infrastructure

Content delivery platforms and streaming service providers require extremely high network throughput to distribute digital media efficiently across global audiences. The Arista DCS-7500R-8CFPX-LC supports these environments through scalable transport capacity, low-latency forwarding, and efficient bandwidth utilization.

Media distribution workloads generate continuous high-volume traffic flows that demand reliable and predictable networking performance. Integrated coherent optical capabilities help streaming providers interconnect regional data centers and optimize content delivery operations.

Future-Ready Networking Infrastructure

Prepared for Expanding Bandwidth Demands

Global data traffic continues to increase due to cloud adoption, connected devices, artificial intelligence applications, and digital transformation initiatives. The Arista DCS-7500R-8CFPX-LC provides a future-ready networking foundation capable of supporting expanding throughput requirements and evolving application architectures.

Organizations investing in scalable network infrastructure benefit from solutions that accommodate future growth without requiring extensive redesign or hardware replacement. The high-capacity coherent Ethernet architecture supports long-term infrastructure planning and investment protection.

Adaptability for Evolving Network Technologies

Networking technologies continue evolving toward greater automation, increased intelligence, and tighter integration between packet switching and optical transport systems. The Arista DCS-7500R-8CFPX-LC aligns with these industry trends by combining advanced Ethernet switching with integrated coherent DWDM functionality.

Its flexible architecture supports ongoing innovation in cloud networking, software-defined infrastructure, distributed computing, and optical transport technologies. Enterprises and service providers deploying this line card gain a scalable platform capable of adapting to emerging digital networking requirements.