SFP-10G-BX40D-I Cisco 10Gbps SFP+ Transceiver Module Bidirectional

Cisco SFP-10G-BX40D-I Single-Mode 10Gbps Transceiver Outline

The Cisco SFP-10G-BX40D-I LC to PC Single-Mode SFP+ 10 Gigabit Transceiver Module is engineered to deliver dependable long-distance optical communication across enterprise, carrier-grade, and high-density networking infrastructures. Designed with bidirectional transmission technology, this compact SFP+ optical module enables high-speed connectivity while maximizing fiber utilization through a single fiber strand.

Built for demanding networking environments, this transceiver supports 10 Gigabit Ethernet throughput and offers excellent compatibility with supported Cisco networking equipment including switches and routers. Its advanced architecture makes it ideal for extending network reach without sacrificing performance, reliability, or operational efficiency.

Product Specifications and Core Features

General Information

• Manufacturer: Cisco
• Part Number: SFP-10G-BX40D-I LC
• Product Category: Optical Transceiver Module
• Technology: SFP+ Bidirectional
• Network Standard: 10GBASE-BX

Physical and Hardware Characteristics

• Form Factor: SFP+
• Connector Interface: LC Simplex
• Dimensions: 13.4 mm × 56.5 mm × 8.5 mm
• Power Consumption: Less than 1.5 Watts
• RoHS Compliance: Yes

High-Speed 10 Gigabit Optical Performance

• Supports full 10 Gigabit Ethernet performance
• Stable long-range optical connectivity
• Low-latency data transfer
• Efficient bandwidth utilization
• Reliable signal integrity

Bidirectional Optical Technology for Efficient Fiber Utilization

Optical Characteristics

• Transmit Wavelength: 1330 nm
• Receive Wavelength: 1270 nm
• Fiber Type: Single-Mode Fiber
• Connector: LC Simplex

Benefits of Bidirectional Deployment

• Lower fiber deployment costs
• Improved infrastructure efficiency
• Reduced cable complexity
• Simplified expansion projects
• Better return on networking investment

Long-Reach Connectivity up to 40 Kilometers

• Campus network interconnections
• Enterprise backbone infrastructure
• Metro Ethernet environments
• Telecommunication deployments
• Remote branch office connectivity
• Industrial networking applications

Wide Temperature Support for Demanding Environments

Industrial Grade Thermal Stability

• Operating Temperature: -40°C to 85°C
• Storage Temperature: -40°C to 85°C
• Humidity Range: 5% to 95% non-condensing

Environmental Benefits

• Enhanced reliability in variable climates
• Reduced thermal-related interruptions
• Suitable for controlled and rugged environments
• Long-term deployment confidence

Compatibility with Cisco Networking Infrastructure

• Enterprise switching platforms
• Core routing infrastructure
• Aggregation layers
• Data center networks
• Service provider architectures

Energy-Efficient Optical Networking

• Lower operational overhead
• Reduced heat generation
• Efficient rack utilization
• Supports sustainable infrastructure goals

Advantages of Cisco SFP-10G-BX40D-I

• 10 Gigabit high-speed transmission
• Bidirectional single-fiber architecture
• Long-distance communication up to 40 km
• Industrial-grade temperature tolerance
• Real-time digital diagnostics
• Low power operation
• Compact SFP+ form factor
• Strong compatibility with Cisco platforms
• Reliable single-mode optical performance
• RoHS-compliant construction

Cisco SFP-10G-BX40D-I LC to PC Single-Mode Transceiver Module

The Cisco SFP-10G-BX40D-I LC to PC Single-Mode SFP+ 10 Gbps Transceiver Module is designed to support high-performance optical communication across modern enterprise and service provider infrastructures. Engineered for reliable 10 Gigabit Ethernet transmission, this bidirectional optical transceiver provides long-distance connectivity over a single strand of single-mode fiber while maintaining exceptional signal integrity and operational efficiency.

Organizations that require scalable networking architectures frequently adopt SFP+ optical modules because they enable simplified deployment, lower cabling complexity, and efficient bandwidth allocation. The Cisco SFP-10G-BX40D-I model extends these benefits through long-reach optical transmission and compatibility with advanced networking environments.

Understanding Single-Mode SFP+ Technology

Single-mode fiber transceiver technology has become essential for networks requiring stable communication across extended distances. Unlike multimode implementations that focus on shorter links, single-mode optical systems are engineered to minimize attenuation and maintain high-quality signal delivery.

The Cisco SFP-10G-BX40D-I utilizes SFP+ architecture to provide enhanced throughput compared with earlier optical standards. Through compact modular design and optimized optics, organizations can expand network infrastructure without extensive hardware replacement.

10 Gigabit Performance Architecture

Supporting data rates of up to 10 Gbps, this transceiver enables efficient handling of bandwidth-intensive workloads including cloud applications, virtualization platforms, unified communications, database synchronization, and large-scale file transfers.

The performance profile of this module supports consistent throughput while maintaining network responsiveness across demanding environments.

Benefits of Bidirectional Optical Transmission

Bidirectional communication allows transmission and reception over a single optical fiber instead of dual-fiber configurations. This design significantly reduces fiber consumption and simplifies cable management in dense networking deployments.

By utilizing wavelength separation technologies, bidirectional modules optimize infrastructure usage while preserving transmission reliability.

Technical Characteristics of Cisco SFP-10G-BX40D-I

10 Gbps High-Speed Data Transfer

The module supports 10 Gigabit Ethernet operation for mission-critical networking requirements. This transmission capability allows organizations to support modern application demands while maintaining low latency and consistent performance.

Extended Distance Connectivity

The optical design supports long-range communication across single-mode fiber environments. Extended reach capabilities make the module suitable for campus connectivity, branch integration, data center interconnection, and metropolitan networking scenarios.

Compact SFP+ Form Factor

The Small Form-Factor Pluggable Plus format enables flexible installation within compatible networking devices. Administrators can deploy, replace, or upgrade optical connectivity components without significant infrastructure modifications.

Operational Efficiency Through Modular Design

Modular architecture supports streamlined maintenance procedures and helps organizations minimize downtime during network expansion initiatives.

LC to PC Connector Design

The LC to PC connector structure contributes to optical precision and dependable signal transmission. Compact connector dimensions allow higher port density in switching and routing platforms.

Connector engineering also assists with maintaining alignment accuracy and reducing insertion loss.

Enterprise Deployment Scenarios for Cisco SFP-10G-BX40D-I

Data Center Interconnect Solutions

Modern data centers rely heavily on optical communication technologies to maintain uninterrupted data movement between storage, compute, and virtualization layers.

The Cisco SFP-10G-BX40D-I enables efficient interconnect deployment through stable 10 Gigabit transmission and optimized fiber utilization.

Virtualization Infrastructure Support

Virtualized workloads demand consistent network availability and high throughput. The transceiver supports environments where multiple virtual machines generate continuous east-west traffic.

Cloud Platform Connectivity

Cloud services require dependable transport layers capable of maintaining rapid access to centralized resources. Optical modules such as this one contribute to predictable application delivery.

Campus Network Integration

Educational institutions, healthcare facilities, and enterprise campuses often deploy single-mode optical infrastructure to support building-to-building communication.

By enabling extended transmission distances, the module supports centralized management while reducing dependence on intermediate networking devices.

High-Density Access Networks

As organizations expand user access capacity, optical transceivers help maintain scalable backbone connectivity.

Traffic Distribution Efficiency

Balanced traffic distribution across network segments contributes to improved overall infrastructure responsiveness.

Compatibility and Infrastructure Optimization

Integration with Cisco Networking Platforms

This optical transceiver is intended for compatibility with supported Cisco networking equipment and assists organizations in maintaining consistent operational standards across switching and routing environments.

Standardized optical interfaces simplify procurement and long-term maintenance planning.

Switch Connectivity Enhancements

Deploying SFP+ modules enables switches to support scalable uplinks while maintaining efficient bandwidth utilization.

Router Expansion Capabilities

Routing infrastructures benefit from modular optical deployment strategies that allow future capacity upgrades.

Infrastructure Simplification Through Fiber Conservation

Single-fiber transmission models reduce cable requirements and may contribute to lower deployment complexity.

Organizations planning network growth frequently prioritize solutions that maximize existing optical resources.

Reliability and Optical Signal Integrity

Stable Optical Communication

Signal stability remains essential in enterprise networking environments where interruptions may impact business operations.

The transceiver design supports consistent optical output while minimizing transmission degradation across supported distances.

Reduced Electromagnetic Interference

Optical networking inherently provides resistance to electromagnetic interference, supporting stable operation in environments with electrical noise.

Consistent Packet Delivery

Reliable optical communication contributes to predictable application experiences and improved network utilization.

Operational Continuity Considerations

Maintaining dependable optical links assists organizations in achieving business continuity objectives.

Scalability Advantages for Expanding Networks

Supporting Long-Term Growth Strategies

As network traffic increases due to cloud adoption, digital transformation, and connected devices, scalable optical solutions become increasingly valuable.

The Cisco SFP-10G-BX40D-I allows organizations to extend existing infrastructures while preparing for future expansion requirements.

Efficient Upgrade Paths

Modular deployment models enable organizations to upgrade network capacity incrementally rather than replacing complete hardware ecosystems.

Lower Complexity in Expansion Projects

Fiber-efficient architecture supports easier scaling initiatives and improved resource utilization.

Optimizing Operational Expenditure

Infrastructure efficiency remains a major consideration for enterprise IT planning.

Reducing unnecessary cabling, minimizing deployment interruptions, and simplifying management workflows can contribute to improved operational effectiveness.

Optical Networking Trends and Future Readiness

Growing Demand for High-Bandwidth Infrastructure

Organizations increasingly require optical technologies capable of supporting real-time services, distributed applications, and continuous data movement.

SFP+ transceivers remain relevant because they provide dependable 10 Gigabit performance while fitting within established networking architectures.

Support for Hybrid Infrastructure Models

Hybrid environments combining local infrastructure and cloud services benefit from reliable optical transport technologies.

Preparing for Network Modernization

Deploying scalable optical modules creates opportunities for phased infrastructure transformation without unnecessary complexity.

Long-Term Infrastructure Value

High-performance transceiver deployment strategies can contribute to sustained networking performance and operational flexibility across evolving business environments.

The Cisco SFP-10G-BX40D-I LC to PC Single-Mode SFP+ 10 Gbps Transceiver Module remains a practical optical networking solution for environments requiring efficient long-distance communication, stable 10 Gigabit throughput, optimized fiber utilization, and scalable enterprise connectivity architecture.