SFP-10G-SR= Cisco 10GBPS MM Fiber Transceiver Module

General Information

• Manufacturer: Cisco
• Part Number: SFP-10G-SR=
• Product Type: Transceiver Module

Technical Highlights

• Form Factor: SFP+
• Connectivity: 1 x LC/PC Duplex 10GBase-SR Interface
• Supported Media: Optical Fiber
• Fiber Standards: 62.5 µm and 50 µm
• Fiber Mode: Multi-mode
• Ethernet Standard: 10 Gigabit Ethernet
• Network Protocol: 10GBase-SR

Application & Usage

• Designed for Data Networking environments
• Optimized for Optical Network infrastructures

Interfaces & Ports

• Primary Port: 1 x 10GBase-SR
• Connector Type: LC Duplex

Compatibility

• Fully compatible with Cisco Nexus 5000 Series Switches
• Supported on Cisco Nexus 7000 Series Switches

Cisco SFP-10G-SR= 10GBPS SFP+ Optical Transceiver

The Cisco SFP-10G-SR= 10GBase-SR SFP+ Transceiver Module is engineered to deliver high-speed 10 Gigabit Ethernet connectivity across multi-mode fiber infrastructures. Designed around the Small Form-Factor Pluggable Plus (SFP+) standard, this optical transceiver enables reliable data transmission at 10Gbps while maintaining compact dimensions that maximize switch and router port density. The module utilizes an 850nm wavelength and supports duplex optical communication through a standard LC connector interface, making it a preferred choice for enterprise networking, cloud environments, campus deployments, and data center applications.

The compact SFP+ form factor allows network administrators to deploy high-bandwidth connections without sacrificing valuable rack space. The Cisco SFP-10G-SR= module is specifically optimized for short-range optical communication over multi-mode fiber cabling, delivering excellent signal integrity and low-latency performance. With support for distances up to 300 meters depending on fiber grade and network design, the transceiver provides an ideal balance between performance, efficiency, and deployment flexibility.

10GBase-SR Optical Technology

The 10GBase-SR standard is one of the most widely implemented optical Ethernet specifications for short-distance networking. The Cisco SFP-10G-SR= leverages this technology to provide dependable high-speed communication over OM3 and OM4 multi-mode fiber infrastructures. The SR designation refers to Short Reach operation, making the module particularly suitable for intra-building links, data center interconnects, aggregation layers, and server-to-switch connectivity.

By utilizing advanced Vertical Cavity Surface Emitting Laser (VCSEL) technology operating at 850nm, the transceiver achieves high-performance optical transmission with excellent power efficiency. The optical architecture minimizes signal degradation while ensuring consistent throughput across supported cable lengths.

SFP+ Form Factor Advantages

The SFP+ design offers significant improvements compared to earlier transceiver generations. Reduced power consumption, increased port density, enhanced thermal efficiency, and streamlined installation make the Cisco SFP-10G-SR= suitable for modern networking environments requiring scalable 10 Gigabit infrastructure. The hot-swappable design allows network personnel to install or replace modules without powering down switches, routers, or network appliances, reducing maintenance windows and improving operational continuity.

850nm Optical Transmission Characteristics

Short-Wavelength Laser Performance

The Cisco SFP-10G-SR= utilizes an 850nm optical wavelength specifically optimized for multi-mode fiber transmission. This wavelength is widely recognized for supporting high-speed Ethernet communication across short and medium distances while maintaining low implementation costs compared to long-wavelength single-mode solutions.

The 850nm VCSEL technology provides highly stable optical output, enabling consistent communication even in demanding enterprise and data center environments. The wavelength characteristics are well suited for modern optical cabling infrastructures where low attenuation and high bandwidth performance are essential.

VCSEL Technology Benefits

Vertical Cavity Surface Emitting Lasers offer numerous operational advantages within the Cisco SFP-10G-SR= module. VCSEL components are known for their reliability, precision manufacturing, energy efficiency, and excellent modulation performance. These characteristics contribute to predictable network behavior and long-term operational stability.

The laser technology supports rapid data encoding and transmission processes necessary for maintaining full 10Gbps throughput. Consistent optical signal generation helps reduce packet loss, retransmissions, and communication disruptions in high-performance networking environments.

Signal Integrity Optimization

Signal quality remains a critical factor in 10 Gigabit Ethernet deployments. The Cisco SFP-10G-SR= incorporates advanced optical components designed to maintain signal clarity across supported transmission distances. Precision optical alignment and quality manufacturing standards contribute to stable communication and reliable packet delivery throughout the network infrastructure.

Multi-Mode Fiber Compatibility

Support for OM3 Fiber Infrastructure

The Cisco SFP-10G-SR= is extensively deployed with OM3 laser-optimized multi-mode fiber cabling. OM3 fiber provides the bandwidth characteristics necessary for high-speed 10 Gigabit Ethernet applications while supporting transmission distances reaching up to 300 meters under appropriate deployment conditions.

Organizations utilizing OM3 cabling benefit from excellent performance characteristics, cost-effective infrastructure utilization, and simplified migration paths toward higher-speed networking technologies. The transceiver's compatibility with OM3 environments makes it suitable for enterprise buildings, educational institutions, healthcare facilities, and large-scale commercial networks.

Enhanced Performance with OM4 Fiber

OM4 multi-mode fiber offers even greater bandwidth capabilities than OM3, allowing network architects to optimize infrastructure performance for demanding applications. The Cisco SFP-10G-SR= operates efficiently with OM4 cabling systems, providing improved signal quality and enhanced support for future network expansion initiatives.

The combination of OM4 cabling and Cisco optical technology enables organizations to maintain high-performance connectivity while supporting virtualization, cloud services, storage networking, and bandwidth-intensive workloads.

Backward Compatibility Considerations

The transceiver supports integration with existing multi-mode fiber environments, allowing organizations to leverage current infrastructure investments while upgrading network electronics. This compatibility helps reduce deployment costs and simplifies network modernization projects.

300 Meter Transmission Capability

Optimized Distance Performance

One of the defining characteristics of the Cisco SFP-10G-SR= is its ability to support transmission distances of up to 300 meters over laser-optimized multi-mode fiber. This capability addresses the requirements of numerous enterprise and data center applications where high-speed communication is required between racks, floors, departments, or equipment rooms.

The supported distance range enables network designers to build efficient topologies while minimizing the need for additional active equipment or signal regeneration devices. Reliable communication over 300 meters provides flexibility for infrastructure planning and network growth.

Data Center Connectivity Applications

Within data centers, the Cisco SFP-10G-SR= facilitates server access connectivity, switch uplinks, storage network communication, and east-west traffic movement. The module's transmission capabilities align closely with common data center architectural requirements where equipment may be distributed across multiple rows, pods, or network zones.

Enterprise Building Deployments

Enterprise campuses frequently require high-bandwidth connectivity between telecommunications rooms, distribution switches, and core infrastructure components. The Cisco SFP-10G-SR= supports these applications by providing dependable 10 Gigabit connectivity throughout structured cabling environments.

Duplex LC Connector

Industry-Standard Connectivity

The duplex LC connector utilized by the Cisco SFP-10G-SR= represents one of the most widely adopted optical interfaces in modern networking. The compact LC design enables high-density deployments while ensuring secure optical connections and consistent signal performance.

The duplex configuration supports simultaneous transmission and reception using separate optical paths. This architecture allows full-duplex communication, enabling data to flow in both directions concurrently without compromising bandwidth or performance.

High-Density Network Deployments

LC connectors occupy minimal physical space compared to larger optical connector formats. This compact design allows network equipment manufacturers to maximize port density, enabling organizations to deploy greater numbers of optical connections within limited rack space.

Reliable Optical Coupling

Precision connector manufacturing contributes to stable optical alignment between fiber cables and transceiver interfaces. Reliable coupling minimizes insertion loss and reflection, supporting optimal signal quality across deployed links.

10 Gigabit Ethernet Performance Characteristics

High-Bandwidth Data Transport

The Cisco SFP-10G-SR= delivers full 10 Gigabit Ethernet throughput, supporting modern networking applications that require substantial bandwidth resources. The module enables efficient transport of large datasets, virtual machine traffic, cloud workloads, storage replication streams, and multimedia content.

Organizations increasingly depend on high-speed networking to support business-critical services. The transceiver's ability to maintain consistent 10Gbps communication ensures responsive application performance and improved user experiences across connected environments.

Low-Latency Communication

Modern network architectures demand not only bandwidth but also minimal communication delays. The Cisco SFP-10G-SR= is designed to support low-latency optical communication, making it suitable for virtualization platforms, distributed computing environments, database clusters, and storage networks where rapid data exchange is essential.

Storage Networking Support

Storage infrastructures often generate significant network traffic requiring predictable performance characteristics. The transceiver facilitates reliable communication between storage arrays, servers, backup systems, and disaster recovery platforms while maintaining consistent throughput levels.

Virtualized Infrastructure Connectivity

Virtualized environments depend heavily on high-speed networking to support workload mobility, resource sharing, and centralized management. The Cisco SFP-10G-SR= provides the bandwidth and reliability necessary to sustain virtual machine operations across complex infrastructure deployments.

Scalable Network Expansion

As bandwidth requirements increase, organizations can expand optical connectivity incrementally through additional transceiver deployments. The hot-swappable design supports phased network growth strategies while minimizing disruption to existing services.

Enterprise and Data Center Integration

Switch Connectivity Applications

The Cisco SFP-10G-SR= integrates seamlessly into enterprise switching environments requiring high-performance optical uplinks and aggregation connections. The module supports traffic-intensive applications while maintaining consistent operational characteristics across diverse network architectures.

Router Interconnection Deployments

High-speed router connectivity benefits from the transceiver's reliable optical communication capabilities. Organizations can establish efficient backbone links, distribution layer connections, and network edge integrations utilizing the module's 10 Gigabit Ethernet performance.

Server Access Infrastructure

Modern servers frequently require 10 Gigabit connectivity to support virtualization, storage access, cloud services, and application delivery. The Cisco SFP-10G-SR= provides a robust optical interface for connecting servers to switching infrastructure while maintaining high bandwidth availability.

Network Scalability

The Cisco SFP-10G-SR= 10Gbps 10GBase-SR Multi-mode Fiber 300m 850nm Duplex LC Connector SFP+ Transceiver Module delivers a combination of compact design, optical efficiency, reliable transmission performance, and industry-standard compatibility. Its support for multi-mode fiber infrastructures, 850nm VCSEL technology, duplex LC connectivity, hot-swappable operation, and full 10 Gigabit Ethernet throughput makes it an essential component for high-density enterprise networks, cloud platforms, storage environments, and modern data centers. The module enables organizations to build scalable optical networking infrastructures capable of supporting current bandwidth demands while maintaining flexibility for future growth and technology evolution.