MMA2L20-AR Mellanox 25 GBE SFP 28 LC 1310NM LR Transceiver (Up to 10KM)

Product Highlights of Mellanox MMA2L20-AR Transceiver Module

The Mellanox MMA2L20-AR Optical Transceiver boasts an impressive data rate of 25 GBE. This feature sets it apart from other transceivers on the market and offers users a host of benefits and advantages.

General Information

• Manufacturer: Mellanox
• Part Number: MMA2L20-AR
• Product Type: Optical Transceiver Module

Technical Information

• Form Factor: Hot-pluggable SFP28 MSA
• Standards: IEEE 802.3cc 25GBASE-LR compliant
• Environmental: RoHS compliant
• Transmitter: 25Gb/s DFB laser (1310nm)
• Receiver: 25Gb/s PIN photodiode
• Serial Interface: 28G CEI-28G-VSR electrical connection
• Connector: Duplex LC receptacle

Performance Specifications

• Transmission Reach: Up to 10km over G.652 single-mode fiber
• Power Supply: Single +3.3V input
• Operating Temperature: 0°C to 70°C case range
• Power Consumption: Maximum 1.0W

Advanced Features

• Digital Diagnostics: SFF-8472 compliant DDM functions
• Hot-Swap Capability: Enables seamless installation and replacement

Applications

• 25GBASE-LR Ethernet connectivity
• Client-side 25G telecom deployments

Deployment Benefits

• Reliable long-distance data transmission
• Energy-efficient design with low power draw
• Optimized for modern high-speed optical networks

Mellanox MMA2L20-AR Optical Transceiver Overview

The Mellanox MMA2L20-AR Optical Transceiver is a high-performance 25 Gigabit Ethernet SFP28 optical module engineered to provide reliable, long-distance network connectivity across single-mode fiber infrastructures. Designed for modern enterprise networks, cloud computing environments, hyperscale data centers, storage architectures, and high-bandwidth aggregation layers, this transceiver delivers dependable 25GbE communication while maintaining low power consumption and exceptional signal integrity.

Built around the SFP28 form factor, the MMA2L20-AR enables network architects and administrators to deploy dense networking environments without sacrificing performance. The module operates at a wavelength of 1310nm and supports long-range transmission distances of up to 10 kilometers over single-mode fiber cabling. This capability makes it suitable for campus connectivity, metropolitan network deployments, inter-building links, and data center interconnect applications where longer reach is required.

The transceiver integrates advanced optical components and digital diagnostic monitoring capabilities to ensure stable operation under demanding networking conditions. Its precision-engineered optical system enables consistent throughput, reduced bit error rates, and enhanced network availability for mission-critical infrastructure.

SFP28 Form Factor Advantages

The SFP28 design represents an evolution of the widely adopted SFP and SFP+ standards, providing support for 25 Gigabit Ethernet while maintaining a compact footprint. This allows network equipment manufacturers to increase port density significantly compared to larger transceiver formats.

With the MMA2L20-AR, organizations can maximize switch and server connectivity while preserving valuable rack space. The compact dimensions support high-density deployments in modern network switches, routers, storage controllers, and server network interface cards. The hot-pluggable architecture enables administrators to install or replace modules without shutting down connected equipment, minimizing maintenance windows and operational disruptions.

25 Gigabit Ethernet Performance

The Mellanox MMA2L20-AR is optimized for 25GbE networking environments where higher throughput and lower latency are essential. As organizations continue to generate increasing volumes of data, traditional 10GbE infrastructures often become bottlenecks. The transition to 25GbE delivers significantly greater bandwidth efficiency while preserving cost-effective fiber utilization.

Supporting data transmission rates of 25 Gigabits per second, the transceiver facilitates rapid movement of large datasets, virtual machine traffic, storage replication workloads, cloud services, and real-time applications. The enhanced bandwidth enables modern data centers to support demanding workloads such as artificial intelligence processing, machine learning clusters, high-frequency analytics, and software-defined infrastructure.

Optical Specifications and Transmission Characteristics

1310nm Long-Range Optical Technology

The transceiver utilizes a 1310nm optical wavelength specifically selected for long-distance transmission over single-mode fiber. This wavelength provides an excellent balance between signal integrity, attenuation characteristics, and transmission efficiency.

By operating at 1310nm, the MMA2L20-AR can maintain stable optical performance across extended distances while reducing signal degradation. The wavelength characteristics enable consistent communication across enterprise campuses, regional facilities, and distributed computing environments where network nodes may be separated by several kilometers.

Single-Mode Fiber Optimization

The module is designed specifically for deployment over single-mode fiber cabling. Single-mode fiber offers significantly lower attenuation and dispersion characteristics than multimode alternatives, making it the preferred medium for long-distance communications.

The optical architecture of the MMA2L20-AR allows organizations to leverage existing single-mode fiber investments while implementing next-generation 25GbE networking capabilities. This compatibility supports efficient infrastructure upgrades without extensive recabling projects.

Long-Reach Connectivity

Supporting transmission distances of up to 10 kilometers, the transceiver addresses a broad range of networking scenarios. Long-reach capabilities enable connectivity between geographically separated facilities, data center campuses, enterprise buildings, and telecommunications aggregation points.

The ability to extend high-speed Ethernet connectivity across such distances makes the module valuable in environments where maintaining low latency and high throughput across distributed infrastructures is critical to operational success.

Duplex LC Interface

The Mellanox MMA2L20-AR incorporates a duplex LC optical connector interface. LC connectors have become a standard choice for enterprise and data center optical deployments due to their compact size, reliable performance, and ease of installation.

The duplex configuration enables separate transmit and receive optical paths, supporting full-duplex communication for simultaneous bidirectional data transfer. This architecture contributes to improved network efficiency and predictable application performance.

Connector Reliability

Precision manufacturing tolerances ensure accurate fiber alignment and stable optical coupling. The connector design minimizes insertion loss while maintaining reliable optical signal transmission throughout the operational lifecycle of the transceiver.

Consistent connector performance contributes to network stability and helps reduce maintenance requirements in large-scale deployments where numerous optical links must operate continuously.

Data Center Networking Applications

Leaf-Spine Architecture Deployments

Modern data centers increasingly utilize leaf-spine network architectures to provide predictable performance and scalable east-west traffic patterns. The MMA2L20-AR serves as an effective connectivity solution within these environments by supporting high-speed communication between leaf switches and spine switches.

The 25GbE bandwidth capability aligns well with contemporary server access requirements, enabling efficient workload distribution and reducing congestion within the network fabric. Organizations deploying virtualization platforms and cloud-native applications benefit from the increased throughput and reduced latency associated with 25GbE connectivity.

Server Connectivity Infrastructure

Servers supporting high-performance workloads require network interfaces capable of handling significant data volumes. The MMA2L20-AR provides a suitable optical connectivity solution for connecting servers to aggregation switches within enterprise and cloud computing environments.

By supporting 25GbE communication, the transceiver enables servers to access storage resources, virtualization platforms, and application clusters with greater efficiency than legacy network technologies. This enhanced connectivity helps improve workload responsiveness and overall infrastructure utilization.

Virtualization Environments

Virtualized infrastructures frequently consolidate multiple applications and workloads onto shared physical hardware. These environments generate substantial network traffic as virtual machines communicate with storage arrays, management platforms, and external services.

The bandwidth capabilities of the MMA2L20-AR help ensure sufficient network capacity for virtual machine mobility, backup operations, disaster recovery processes, and resource orchestration activities.

Cloud Computing Platforms

Cloud service providers require scalable networking solutions capable of supporting dynamic workloads and fluctuating traffic demands. The transceiver's high-speed optical connectivity enables efficient communication between compute resources, storage systems, and network infrastructure components.

Its long-range transmission capability further supports distributed cloud architectures spanning multiple facilities or interconnected data center campuses.

Enterprise Network Integration

Campus Network Connectivity

Large enterprise campuses often require high-speed network links between buildings, departments, and operational centers. The MMA2L20-AR supports these requirements by delivering reliable 25GbE connectivity over distances reaching 10 kilometers.

This capability enables organizations to centralize computing resources while maintaining fast access for users and systems distributed throughout the campus environment. The resulting infrastructure supports unified communications, enterprise applications, data analytics, and digital transformation initiatives.

Core and Distribution Layer Networking

Within enterprise architectures, the core and distribution layers serve as critical traffic aggregation points. The MMA2L20-AR provides the bandwidth necessary to support increasing traffic volumes generated by users, applications, and connected devices.

The module's optical performance characteristics help ensure consistent data transfer rates while maintaining reliable communication between network segments. This contributes to predictable network behavior and improved service delivery.

Network Scalability

As organizations expand operations and deploy new technologies, networking infrastructure must accommodate growing bandwidth demands. The 25GbE capability of the MMA2L20-AR provides a scalable foundation for future growth while supporting current operational requirements.

Organizations can deploy high-density switching platforms equipped with SFP28 interfaces and expand connectivity incrementally as network requirements evolve.

Signal Integrity and Optical Performance

Advanced Optical Engineering

The Mellanox MMA2L20-AR incorporates precision optical components designed to maintain stable signal quality across extended transmission distances. These components work together to reduce signal distortion, minimize optical loss, and improve overall link reliability.

The module's optical subsystem is engineered to support consistent communication performance even in demanding networking environments where uptime and data integrity are essential.

Low Bit Error Rate Operation

Reliable data transmission requires minimizing errors that can impact application performance and network efficiency. The transceiver is designed to maintain low bit error rates through optimized optical transmission characteristics and advanced signal processing techniques.

This capability supports mission-critical workloads where data accuracy and communication consistency are essential operational requirements.

Transmission Stability

Network environments often experience varying temperatures, workload fluctuations, and changing operational conditions. The MMA2L20-AR is engineered to maintain stable optical performance throughout these conditions, helping ensure dependable network connectivity.

Consistent transmission characteristics contribute to reduced retransmissions, improved throughput efficiency, and enhanced user experiences across connected applications.

Compatibility and Interoperability

Integration with Modern Networking

The Mellanox MMA2L20-AR is designed for compatibility with networking platforms supporting SFP28 optical interfaces. This broad interoperability allows organizations to deploy the module within a variety of enterprise, cloud, storage, and telecommunications environments.

The standardized SFP28 form factor simplifies integration while supporting flexible network design strategies. Organizations can deploy high-speed optical connectivity across multiple infrastructure layers using a consistent transceiver platform.

Switch and Router Connectivity

Network switches and routers equipped with SFP28 ports can utilize the MMA2L20-AR to establish reliable long-distance optical links. These deployments support traffic aggregation, network expansion, redundancy planning, and infrastructure modernization initiatives.

The module's performance characteristics align with the requirements of modern switching environments where high throughput, reliability, and scalability are essential.

Storage Networking

Storage systems increasingly require high-bandwidth connectivity to support data-intensive applications, backup operations, and replication processes. The MMA2L20-AR provides the optical bandwidth necessary to facilitate efficient communication between storage resources and connected infrastructure.

Its ability to support long-distance transmission enables geographically distributed storage architectures designed to enhance resilience and business continuity.

Operational Efficiency and Reliability

Low Power Consumption Characteristics

Energy efficiency remains a critical consideration in modern data centers and enterprise environments. The MMA2L20-AR is designed to deliver high-performance optical connectivity while maintaining efficient power utilization.

Reduced power consumption contributes to lower operating costs, decreased thermal output, and improved overall infrastructure efficiency. These benefits become particularly significant in high-density deployments containing large numbers of optical transceivers.

Hot-Pluggable Functionality

The hot-swappable design allows installation, replacement, and upgrades without interrupting operation of the host networking equipment. This capability simplifies maintenance procedures and supports continuous network availability.

Administrators can perform hardware changes efficiently while minimizing service disruptions and reducing operational risk.