SFP-10G-LR-S Cisco Single Mode SFP+ Transceiver Module 1310 Nm

Cisco SFP-10G-LR-S Single Mode SFP+ Transceiver Overview

The Cisco SFP-10G-LR-S is a high-performance 10 Gigabit Ethernet transceiver module engineered for dependable long-distance optical networking. Built to support enterprise-grade data transmission, this hot-swappable SFP+ module enables stable and efficient 10GbE connectivity across single-mode fiber environments. Operating at a 1310nm optical wavelength and supporting distances up to 10 kilometers (6.2 miles), this optical transceiver is designed for modern network infrastructure requiring speed, scalability, and uninterrupted communication.

General Product Information

• Manufacturer: Cisco
• Part Number: SFP-10G-LR-S
• Product Category: Optical Transceiver Module

Technical Specifications

• Form Factor: Plug-in SFP+ Module
• Interface Type: 10GBASE-LR
• Data Transfer Speed: 10 Gbps
• Optical Wavelength: 1310 Nm
• Networking Standard: 10 Gigabit Ethernet
• Maximum Reach: 10 km / 6.2 Miles

Built for High-Speed Networking Applications

• Data center interconnections
• Campus network backbone infrastructure
• Enterprise aggregation layers
• High-bandwidth server connectivity
• Storage networking environments
• Cloud computing platforms
• Virtualized infrastructure deployments

Single-Mode Fiber Connectivity Advantages

• Lower signal loss over extended distances
• Greater bandwidth availability
• Improved network scalability
• Enhanced reliability for mission-critical systems
• Future-ready fiber deployment

Reliable 10 Gigabit Ethernet Performance

Consistent Data Transmission

• High-speed 10Gbps optical connectivity
• Long-distance 10km transmission capability
• Compact and efficient SFP+ module format
• Enterprise-grade reliability
• Optimized for demanding networking environments
• Ideal for scalable fiber infrastructure

Key Features of Cisco SFP-10G-LR-S Transceiver Module

• Supports 10 Gigabit Ethernet data transmission
• Operates using 1310nm optical wavelength technology
• Compatible with duplex single-mode fiber connections
• Maximum transmission distance up to 10 km (6.2 miles)
• Compact hot-pluggable SFP+ form factor
• Reliable long-range optical communication
• Designed for high-density networking environments
• Optimized for data centers and enterprise networks

Cisco SFP-10G-LR-S 10km 1310nm Duplex Single Transceiver

The Cisco SFP-10G-LR-S 10km 1310nm Duplex Single Mode SFP 10GBase Transceiver Module is designed to support high-speed 10 Gigabit Ethernet connectivity across long-distance optical fiber environments. Engineered for enterprise networking, data center expansion, campus aggregation, service provider deployments, and business-critical communication infrastructures, this transceiver delivers dependable optical transmission while maintaining compatibility with modern networking architectures.

Built according to 10GBASE-LR standards, this optical module enables transmission over single-mode fiber with support for distances reaching up to 10 kilometers. The compact Small Form-Factor Pluggable Plus format allows efficient use of switch and router interfaces while enabling hot-swappable deployment and simplified network scaling.

10GBASE-LR Optical Technology and Transmission Architecture

Long-Range Optical Performance

The SFP-10G-LR-S utilizes long-range optical transmission principles based on the IEEE 802.3ae 10GBASE-LR specification. Operating at a wavelength of 1310nm, the transceiver is optimized for reliable communication over single-mode optical fiber infrastructures where maintaining signal integrity across extended distances is essential.

Unlike short-range multimode optics intended for local equipment interconnection, long-range transceivers support larger deployment footprints and facilitate communication between physically separated networking facilities. The 1310nm wavelength provides reduced attenuation characteristics over single-mode fiber, enabling stable throughput and lower signal degradation.

Duplex Communication Mechanism

The duplex configuration supports simultaneous bidirectional communication. One fiber strand handles transmission while the second strand receives incoming data, enabling continuous full-duplex operation. This architecture eliminates communication bottlenecks and supports demanding workloads generated by cloud applications, virtualization environments, storage networks, and distributed computing systems.

Optimized Data Delivery

Through dedicated transmit and receive optical channels, organizations can maintain predictable latency characteristics and maximize available network bandwidth. Duplex communication contributes to uninterrupted data exchange between switches, routers, servers, and storage platforms.

Technical Specifications of Cisco SFP-10G-LR-S

Form Factor Characteristics

The SFP+ form factor allows dense port configurations and compact network design. Equipment manufacturers and IT administrators favor SFP+ interfaces because they provide flexibility while preserving rack space and reducing physical infrastructure complexity.

Interface Compatibility

This transceiver supports standard LC duplex optical connectors commonly deployed in enterprise and carrier-grade environments. The connector design ensures dependable optical alignment and simplifies cable management practices.

Core Technical Attributes

The module typically operates at 10Gbps Ethernet speeds and supports single-mode optical cabling environments with a maximum distance capability of approximately 10 kilometers under recommended operating conditions.

Its optical design supports stable performance across varying deployment scenarios while maintaining interoperability with compatible Cisco networking hardware.

Single Mode Fiber Integration Advantages

Enhanced Distance Capability

Single-mode fiber provides significantly greater transmission distances than multimode alternatives because of its narrower core diameter and reduced modal dispersion. These characteristics make it particularly effective for enterprise backbone networks and geographically distributed infrastructure.

The SFP-10G-LR-S is engineered to leverage these advantages while maintaining high-speed throughput and preserving network performance across long cable runs.

Reduced Signal Loss

Long-distance optical communication requires minimizing attenuation and maintaining signal quality. The 1310nm transmission window contributes to lower optical loss rates, enabling organizations to preserve data accuracy and operational continuity.

Scalability Benefits

Single-mode infrastructure investments frequently support future bandwidth expansion because fiber itself often remains viable while active networking components evolve.

Enterprise Networking Applications

Data Center Interconnection

Modern data centers frequently distribute resources across multiple rooms, buildings, or regional facilities. The Cisco SFP-10G-LR-S enables dependable optical connectivity between these environments and supports low-latency communication requirements.

Organizations deploying virtualization clusters and software-defined infrastructure benefit from the ability to maintain consistent 10 Gigabit communication between computing resources.

Campus Network Deployments

Educational institutions, healthcare organizations, government facilities, and enterprise campuses often require network connectivity extending beyond traditional copper limitations.

The SFP-10G-LR-S enables high-capacity links between core and distribution layers while supporting long-distance building interconnections.

Business Continuity Infrastructure

Network resiliency initiatives frequently depend on geographically separated equipment locations. Long-range optical modules assist organizations in maintaining redundancy and disaster recovery readiness.

Compatibility and Deployment Flexibility

Integration with Cisco Infrastructure

The transceiver is intended for operation within supported Cisco switching and routing platforms that include SFP+ interfaces. Compatibility verification remains an important step before deployment to ensure firmware alignment and feature support.

Organizations often select Cisco optical modules to maintain standardized infrastructure management and streamlined operational support.

Hot-Swappable Operation

The module supports insertion and replacement without powering down compatible equipment. Hot-swappable capability reduces maintenance windows and minimizes service interruptions.

Simplified Expansion

Network administrators can introduce additional optical capacity as requirements grow without extensive redesign of existing infrastructure.

Performance Characteristics for Modern Workloads

Support for Virtualization Platforms

Virtualized environments generate substantial east-west traffic between hosts, storage arrays, and management systems. High-speed optical modules reduce network congestion and contribute to improved application responsiveness.

Storage Networking Efficiency

Storage replication, backup operations, and centralized data services require dependable bandwidth. The Cisco SFP-10G-LR-S supports these demands through stable optical transport and sustained throughput.

Cloud Connectivity Optimization

Hybrid cloud deployments increasingly rely on fast and reliable infrastructure links. Long-range SFP+ connectivity enables seamless communication across integrated environments.

Optical Reliability and Environmental Considerations

Consistent Signal Integrity

Optical transmission environments demand precise engineering to maintain dependable operation. The SFP-10G-LR-S incorporates design characteristics that support consistent optical performance under standard operational conditions.

Thermal and Operational Stability

Networking environments often experience fluctuations in temperature and utilization levels. Enterprise optical modules are designed to operate reliably within specified environmental ranges.

Long-Term Infrastructure Value

Organizations seeking stable networking investments often prioritize optical modules capable of supporting expanding bandwidth requirements while preserving deployment flexibility.

Operational Benefits for Enterprise Environments

Improved Network Efficiency

The combination of 10Gbps throughput, single-mode transmission capability, and long-range optical support contributes to efficient data movement across enterprise infrastructures.

Lower Infrastructure Constraints

By extending transmission distances beyond conventional copper limitations, organizations gain additional flexibility in equipment placement and facility design.

Support for Digital Transformation

Digital modernization initiatives frequently require resilient network foundations capable of supporting analytics platforms, cloud services, virtualization, storage growth, and evolving application ecosystems.

The Cisco SFP-10G-LR-S 10km 1310nm Duplex Single Mode SFP 10GBase Transceiver Module continues to serve as a dependable optical connectivity solution for organizations building scalable, high-performance, and long-distance networking environments.