10-2457-02 Cisco SFP+ 10GBase-LR Transceiver Module

Cisco 10-2457-02 10GBase-LR SFP+ Transceiver Overview

The Cisco 10-2457-02 10GBase-LR SFP+ Transceiver Module is a reliable and high-speed networking component designed for enterprise-grade data transmission. It delivers stable 10 Gbps connectivity over long distances using single-mode fiber, making it ideal for data centers, telecom infrastructure, and high-performance network environments.

General Product Information

Manufacturer Details

• Manufacturer: Cisco
• Part Number: 10-2457-02
• Product Type: SFP+ Transceiver Module

Optical and Physical Characteristics

Fiber and Interface Details

• Cable Type: Single Mode Fiber
• Interface: LC Duplex
• Wavelength: 1310 nm

Performance and Transmission

• Data Transfer Rate: 10 Gbps
• Maximum Cabling Distance: 10 km (6.2 miles)
• Transmit Power Range: -8.2 to 0.5 dBm
• Receiver Sensitivity: -14.4 dBm

Environmental and Physical Specs

• Operating Temperature Range: 32°F to 158°F
• Weight: 0.16 lbs

Applications and Use Cases

Ideal Networking Environments

• Data center high-speed backbone connections
• Enterprise network infrastructure upgrades
• Telecommunication fiber optic deployments
• Server-to-switch and switch-to-switch links

Key Features of Cisco 10GBase-LR SFP+ Module

Optimized for Long-Range Data Communication

• Supports ultra-fast 10 Gbps data transfer speed
• Designed for long-distance fiber optic connectivity up to 10 km
• Compatible with LC Duplex fiber connectors
• Energy-efficient and compact SFP+ form factor

Enterprise-Grade Reliability and Compatibility

• Manufactured by Cisco for guaranteed performance and stability
• Ideal for switches, routers, and high-speed networking devices
• Seamless integration in existing fiber optic network infrastructure

High-Performance 10GBase-LR SFP+ Transceiver Modules

The Cisco 10-2457-02 10GBase-LR SFP+ transceiver modules operating at 10 Gbps represent a critical component in modern enterprise and data center networking infrastructures, where high-speed optical connectivity is required for long-distance transmission over single-mode fiber. These modules are designed to deliver reliable, low-latency, and high-bandwidth communication between network devices such as switches, routers, storage systems, and aggregation nodes, ensuring seamless data flow across complex network topologies.

As demand for scalable and efficient network architectures continues to rise, optical transceivers like the 10GBase-LR SFP+ have become essential in supporting virtualization, cloud computing environments, high-performance computing clusters, and large-scale enterprise backbone networks.

Understanding 10GBase-LR Technology in Optical Networking

Definition and Core Functionality

10GBase-LR refers to a standardized Ethernet technology that supports 10 gigabits per second transmission speeds over long-range distances using single-mode fiber optics. The "LR" stands for Long Range, typically enabling transmission distances of up to 10 kilometers depending on fiber quality and network conditions. This makes it suitable for inter-building connections, metropolitan area network links, and data center interconnect scenarios.

The SFP+ form factor, short for Small Form-Factor Pluggable Plus, is a compact, hot-swappable interface widely used in high-speed networking equipment. It allows network administrators to install, replace, or upgrade transceivers without interrupting system operations, ensuring maximum uptime in mission-critical environments.

Optical Transmission Principles

The 10GBase-LR module operates using laser-based optical signaling, where electrical data signals are converted into light pulses transmitted through single-mode fiber cables. At the receiving end, photodetectors convert these light signals back into electrical data. This process ensures minimal signal degradation over long distances and significantly reduces electromagnetic interference, which is common in copper-based transmission systems.

Single-Mode Fiber Advantages

Single-mode fiber used in LR transceivers offers a narrow core diameter that allows only one mode of light propagation, reducing modal dispersion and enabling higher transmission distances. This makes it particularly suitable for backbone connectivity between data centers, campus networks, and telecom infrastructures where stability and reach are essential requirements.

Wavelength Optimization

The Cisco 10-2457-02 operates at a wavelength typically centered around 1310 nm, which is optimized for long-range transmission with minimal attenuation in optical fiber. This wavelength selection plays a critical role in ensuring signal integrity and reducing the need for intermediate signal amplification over supported distances.

Role of Cisco 10-2457-02 in Enterprise Networking 

Data Center Connectivity

In modern data centers, high-speed interconnectivity between switches, storage arrays, and compute nodes is essential. The 10GBase-LR SFP+ transceiver modules provide the necessary bandwidth to handle heavy workloads, including virtualization traffic, database replication, and cloud service operations. Their ability to maintain consistent performance under high traffic loads makes them an integral part of scalable data center architecture.

Enterprise Backbone Networks

Enterprise backbone networks rely on long-distance fiber connections to link multiple buildings, campuses, or regional offices. The Cisco 10-2457-02 module ensures stable and secure communication between distributed network segments, enabling centralized data management and unified communication systems.

Telecommunication Integration

Telecommunications providers utilize 10GBase-LR modules in metro and regional network deployments where long-distance fiber links are required. The reliability and optical precision of these modules ensure uninterrupted service delivery for voice, video, and data transmission services.

Technical Architecture of SFP+ 10GBase-LR Modules

Internal Component Structure

The internal architecture of a 10G SFP+ transceiver module includes a laser transmitter, photodiode receiver, signal conditioning circuitry, and digital diagnostic monitoring components. These elements work together to ensure accurate signal transmission, reception, and real-time performance monitoring.

Laser Transmitter System

The laser transmitter converts electrical signals into optical signals using a semiconductor laser diode. This component is engineered for high precision and stability, ensuring consistent output power across varying environmental conditions.

Receiver Sensitivity Mechanism

The receiver side uses a highly sensitive photodiode that detects incoming light signals and converts them back into electrical form. Advanced amplification circuitry enhances weak signals, allowing reliable data recovery even over extended fiber distances.

Digital Diagnostic Monitoring

Modern Cisco-compatible SFP+ modules include Digital Diagnostic Monitoring (DDM), which provides real-time information such as temperature, voltage, optical power levels, and laser bias current. This enables network administrators to proactively monitor module health and prevent potential failures.

Performance Advantages of 10GBase-LR SFP+ Modules

High Bandwidth Efficiency

With a transmission rate of 10 Gbps, the Cisco 10-2457-02 module supports high-volume data transfers essential for modern applications such as virtualization, streaming services, enterprise cloud computing, and large-scale database operations. This level of bandwidth ensures minimal congestion and optimized network performance.

Low Latency Communication

Optical fiber transmission inherently reduces latency compared to traditional copper-based systems. The SFP+ LR module enhances this advantage by minimizing signal conversion delays, making it suitable for real-time applications such as financial trading systems, VoIP communications, and high-frequency data exchanges.

Extended Transmission Distance

One of the defining features of 10GBase-LR technology is its ability to transmit data over distances up to 10 kilometers without signal regeneration. This capability is crucial for interconnecting geographically dispersed network sites while maintaining consistent performance levels.

Deployment Scenarios and Use Cases

Cloud Computing Environments

Cloud service providers rely heavily on high-speed optical interconnects to link distributed computing resources. The Cisco 10-2457-02 enables efficient data replication, load balancing, and virtual machine migration across cloud infrastructure.

High-Performance Computing Clusters

In scientific computing and research environments, HPC clusters require rapid data exchange between nodes. The 10GBase-LR SFP+ module ensures that computational workloads are processed efficiently without network bottlenecks.

Campus Network Infrastructure

Educational institutions and corporate campuses use long-range optical modules to connect multiple buildings and departments. This ensures centralized network management while maintaining high-speed connectivity across large physical areas.

Compatibility and Integration Considerations

Switch and Router Support

The Cisco 10-2457-02 module is designed for compatibility with a wide range of Cisco networking devices that support SFP+ interfaces. Proper compatibility ensures seamless integration without requiring additional configuration or hardware modifications.

Fiber Cable Requirements

To achieve optimal performance, single-mode fiber cables with appropriate connector types such as LC duplex connectors are used. Proper fiber quality and installation practices significantly influence transmission reliability and distance capabilities.

Network Architecture Planning

When integrating 10GBase-LR modules into a network, careful planning of topology, link distances, and redundancy paths is essential. This ensures maximum efficiency and fault tolerance in enterprise-grade environments.

Reliability, Durability, and Environmental Performance

Thermal Stability

Cisco optical transceivers are engineered to operate within defined temperature ranges, ensuring stable performance even in high-density rack environments where heat generation is significant.

Signal Integrity Under Load

The 10GBase-LR module maintains signal integrity even under heavy network traffic conditions. This is essential for preventing packet loss, jitter, and transmission errors in critical applications.

Long-Term Operational Stability

Built with industrial-grade components, these modules are designed for continuous operation in enterprise environments where downtime is not acceptable. Their robust design ensures longevity and reduced maintenance requirements.

Advanced Optical Engineering and Design Principles

Precision Laser Alignment

The optical alignment within the module is engineered with extreme precision to ensure that emitted light is properly focused into the fiber core. This reduces signal dispersion and enhances transmission efficiency.

Power Efficiency Optimization

Energy efficiency is a critical factor in modern data centers. The SFP+ LR module is designed to balance high performance with low power consumption, helping reduce operational costs and thermal output.

Error Correction and Signal Processing

Advanced signal processing techniques are used to reduce bit error rates and ensure accurate data transmission. These mechanisms enhance overall network reliability and reduce retransmission overhead.

Network Scalability and Future Expansion

Modular Network Growth

The SFP+ form factor allows network infrastructures to scale incrementally by adding or replacing transceiver modules as bandwidth demands increase. This modularity supports cost-effective expansion strategies.

Integration with Next-Generation Networks

As networking evolves toward higher speeds such as 25G, 40G, and 100G, 10GBase-LR modules continue to play a crucial role in legacy system compatibility and hybrid network environments.

Migration Pathways

Organizations often use 10G SFP+ infrastructure as a transitional stage toward higher-speed optical networks, ensuring smooth upgrades without complete infrastructure replacement.