SFP-10G-LR-S= Cisco SFP+ Transceiver Module - 10gbase-lr Single Mode

Cisco SFP-10G-LR-S= Single-Mode SFP+ Optical Transceiver

Product Overview

The Cisco SFP-10G-LR-S= is a high-performance 10 Gigabit Ethernet optical transceiver designed to support long-range data transmission across single-mode fiber infrastructure. Engineered for enterprise networking, carrier-grade deployments, and high-bandwidth environments, this compact hot-swappable module delivers reliable connectivity with consistent signal integrity over extended distances.

Built using SFP+ technology, this transceiver enables scalable network expansion while maintaining compatibility with modern 10Gb Ethernet environments. Operating at a 1310nm optical wavelength, it supports efficient long-distance communication and helps organizations maintain high-speed backbone performance.

General Product Information

• Brand: Cisco
• Part Number: SFP-10G-LR-S=
• Product Category: Optical Transceiver Module
• Device Type: Plug-in Networking Module

Core Technical Specifications

• Network Standard: 10GBASE-LR
• Transfer Speed: 10 Gbps
• Operating Wavelength: 1310 nm
• Data Link Technology: 10 Gigabit Ethernet
• Maximum Reach: Up to 10 km (6.2 miles)
• Fiber Type: Duplex Single-Mode Fiber
• Module Style: SFP+ Plug-in Transceiver

Advantages of 10GBASE-LR Technology

• Supports long-distance optical networking
• Provides stable 10 Gigabit data throughput
• Reduces signal degradation across extended fiber runs
• Enables scalable infrastructure growth
• Improves network efficiency and responsiveness

Compact SFP+ Form Factor for Flexible Deployment

Operational Benefits of SFP+ Modules

• Hot-swappable installation capability
• Simplified maintenance and replacement
• Efficient rack utilization
• Flexible network upgrades
• Lower deployment complexity

Applications and Use Cases

• Core-to-distribution switching
• Inter-building fiber connections
• Network backbone infrastructure
• High-capacity server aggregation
• Storage area network connectivity

Performance and Reliability Features

• Stable optical signal transmission
• Efficient bandwidth utilization
• Reliable packet delivery
• Enhanced network responsiveness
• Long-distance communication support

Scalable Networking Solution

• 10 Gigabit Ethernet optical performance
• 1310nm wavelength operation
• Up to 10 km transmission range
• Single-mode fiber compatibility
• Compact SFP+ plug-in design
• Reliable enterprise-grade connectivity
• Efficient long-range network expansion

Cisco SFP-10G-LR-S= 10km 1310nm SFP 10GBASE Transceiver

The Cisco SFP-10G-LR-S= 10km 1310nm Duplex Single Mode SFP 10GBASE Transceiver Module is engineered to deliver dependable high-speed optical connectivity for modern enterprise networks, service provider infrastructures, cloud environments, and large-scale data communication deployments. Designed to support 10 Gigabit Ethernet transmission over single-mode fiber, this transceiver module enables extended-distance connectivity while maintaining signal quality, operational efficiency, and compatibility with Cisco networking platforms.

Organizations seeking reliable 10GbE connectivity frequently choose this optical transceiver because it balances long-distance transmission capability with deployment simplicity. The module utilizes a 1310nm wavelength and supports transmission distances of up to 10 kilometers over standard single-mode fiber infrastructure, making it suitable for inter-building communication, campus environments, metropolitan connectivity, and enterprise backbone networks.

Technical Architecture and Optical Design

10GBASE-LR Optical Transmission Technology

The Cisco SFP-10G-LR-S= operates according to the 10GBASE-LR standard for 10 Gigabit Ethernet transmission over long-reach optical fiber. This standard was developed to support high-bandwidth communication while preserving compatibility across standardized Ethernet architectures.

By implementing long-range optical communication technology, the transceiver enables sustained data transmission performance across distances that exceed the capabilities of short-range multimode solutions. The architecture supports enterprise expansion without requiring excessive signal regeneration or additional conversion layers.

The use of long-wavelength optical transmission contributes to improved signal integrity, lower attenuation over long distances, and predictable network performance under demanding operational conditions.

1310nm Wavelength Operation

The 1310nm optical wavelength used in the Cisco SFP-10G-LR-S= offers excellent transmission characteristics for single-mode fiber deployments. This wavelength range is widely recognized for balancing attenuation control and cost-effective deployment in medium-distance optical networks.

Network architects often select 1310nm solutions because they deliver dependable optical performance while supporting straightforward infrastructure planning. This wavelength minimizes transmission loss and enables stable communication between distant network nodes.

When combined with properly installed single-mode fiber cabling, the optical output supports low error rates and consistent throughput.

Duplex Optical Communication

Duplex communication allows simultaneous transmission and reception of data through dedicated fiber strands. This full-duplex architecture enables continuous bidirectional traffic flow and supports modern networking requirements where both upload and download capacities must remain consistently available.

The duplex LC connector interface simplifies deployment and aligns with commonly implemented structured cabling systems across enterprise and data center environments.

Support for Single-Mode Fiber Infrastructure

Single-Mode Fiber Advantages

Single-mode fiber remains one of the preferred transmission media for long-distance Ethernet communication due to its narrow optical path and reduced modal dispersion. The Cisco SFP-10G-LR-S= leverages these characteristics to maintain transmission stability across extended distances.

Unlike multimode implementations that may experience increased signal dispersion at greater ranges, single-mode environments preserve signal precision and support predictable network behavior under heavy utilization.

The transceiver becomes particularly valuable in environments requiring scalable bandwidth growth without recurring cable replacement projects.

Extended Reach Capability

The ability to transmit data across distances reaching 10 kilometers enables organizations to connect distributed facilities without introducing unnecessary complexity into the network architecture.

Common deployment scenarios include:

Enterprise headquarters connected to branch facilities, communication between adjacent buildings, campus backbone distribution, metropolitan access networks, regional infrastructure expansion, and secure interconnection of remote operational locations.

Optical Stability Across Long Distances

Long-distance optical networking requires consistent signal quality and accurate transmission characteristics. Cisco engineers designed this transceiver to maintain optical stability while reducing transmission degradation and preserving application responsiveness.

Stable operation contributes to lower retransmission rates and improved end-user experience for bandwidth-intensive services.

Compatibility Across Cisco Network Platforms

Integration with Cisco Switching Infrastructure

The Cisco SFP-10G-LR-S= is developed to integrate with a broad ecosystem of Cisco switches and routing platforms supporting SFP+ interfaces. Compatibility enables streamlined deployment and simplifies operational management.

Organizations using Cisco infrastructure benefit from consistent hardware validation and standardized implementation practices that reduce deployment uncertainty.

Deployment Across Enterprise Networks

Enterprise environments frequently rely on optical uplinks to aggregate traffic from access switches into distribution and core layers. This transceiver supports these architectures by enabling high-capacity connectivity between network segments.

The module supports scenarios involving:

Core aggregation layers, high-capacity uplinks, data center interconnects, virtualization infrastructure, server access networks, and multi-site connectivity.

Router and Aggregation Applications

In routing environments, the transceiver enables fast optical interfaces capable of supporting intensive data exchange. Aggregation devices benefit from increased throughput while maintaining predictable latency characteristics.

This capability becomes increasingly important in environments handling cloud services, unified communications, remote operations, and digital business applications.

Performance Characteristics for Modern Networking

High-Speed 10 Gigabit Connectivity

Bandwidth demands continue to increase across virtually every industry sector. The Cisco SFP-10G-LR-S= addresses these requirements by supporting 10 Gigabit Ethernet speeds that accommodate modern applications and data-intensive workloads.

High-speed optical communication contributes to improved responsiveness for cloud applications, accelerated data transfer, and smoother user experiences.

Low Latency Communication

Network latency can directly affect application quality and operational efficiency. Optical transmission through the Cisco SFP-10G-LR-S= supports low-latency communication by minimizing intermediate conversion requirements.

Lower latency supports environments where rapid response times remain essential, including financial systems, virtualization environments, enterprise collaboration tools, and real-time analytics platforms.

Reliable Data Integrity

Transmission accuracy plays an essential role in maintaining operational continuity. Optical networking minimizes electromagnetic interference and supports cleaner data transport than many traditional electrical alternatives.

The module’s engineering focus helps preserve packet integrity throughout long-distance communication sessions.

Energy Efficiency and Operational Optimization

Compact SFP+ Form Factor

The SFP+ form factor provides a compact optical solution that allows network equipment manufacturers to support higher port densities without significantly increasing physical footprint requirements.

This compact architecture enables organizations to maximize available rack space while maintaining flexibility for future expansion.

Reduced Power Consumption

Energy efficiency contributes to lower operational costs and improved sustainability objectives. Optical modules designed for efficient power utilization support reduced thermal output and simplified cooling requirements.

Lower power consumption becomes increasingly valuable in large-scale environments operating hundreds or thousands of optical interfaces simultaneously.

Use Cases Across Industry Environments

Enterprise Campus Networks

Enterprise campuses frequently require optical backbone connections that extend across multiple buildings and operational zones. The Cisco SFP-10G-LR-S= supports centralized management while enabling high-capacity communication between locations.

Data Center Connectivity

Data centers depend on reliable optical communication for server aggregation, storage networking, and infrastructure orchestration. This transceiver supports scalable interconnect strategies while maintaining throughput consistency.

Cloud Infrastructure Support

Cloud environments demand resilient and high-performance communication links capable of handling fluctuating workloads. Optical connectivity supports elasticity and efficient resource utilization across virtualized environments.

Service Provider Deployments

Telecommunications providers and managed service operators use long-range optical technologies to support customer access, regional transport, and scalable infrastructure expansion.

The 10km transmission capability supports cost-effective deployment while preserving service reliability.

Operational Benefits for Long-Term Network Evolution

Infrastructure Longevity

Long-range optical deployments often remain active for extended operational periods. Selecting standardized transceiver technology contributes to infrastructure longevity and reduces future migration complexity.

Organizations benefit from preserving existing fiber investments while expanding bandwidth capabilities through compatible networking hardware.