SFP-10G-BX40D-I= Cisco 10GBPS SFP+ Transceiver LC to PC Single-Mode

Cisco SFP-10G-BX40D-I= Single-Mode 10Gbps Transceiver Module

Product Outline

The Cisco SFP-10G-BX40D-I= LC to PC Single-Mode SFP+ Transceiver Module is engineered to deliver reliable, high-speed optical connectivity for enterprise networking environments. Designed to support bidirectional communication over a single strand of single-mode fiber, this compact SFP+ module enables efficient deployment while reducing infrastructure requirements and operational costs.

Built for demanding networking applications, this 10 Gigabit transceiver offers extended-distance transmission, superior optical performance, low energy usage, and broad compatibility with supported Cisco networking equipment.

General Product Information

• Manufacturer: Cisco
• Part Number: SFP-10G-BX40D-I=
• Product Category: Optical Transceiver Module
• Module Type: SFP+ Bidirectional Transceiver
• Transmission Standard: 10GBASE-BX
• Fiber Technology: Single-Mode Fiber (SMF)
• Primary Application: Downstream Optical Communication

Technical Specification

• Type: SFP+ Bidirectional
• Form Factor: SFP+
• Connector: LC Simplex
• Protocol: 10GBASE-BX
• Maximum Data Rate: 10 Gbps
• Maximum Distance: 40 km
• TX Wavelength: 1330 nm
• RX Wavelength: 1270 nm
• Fiber Type: Single-Mode Fiber
• DDM Support: Yes
• Power Consumption: Less than 1.5W
• Operating Temperature: -40°C to 85°C
• Storage Temperature: -40°C to 85°C
• Humidity: 5%–95% non-condensing
• RoHS Compliant: Yes

High-Speed 10Gb Ethernet Connectivity

Benefits of 10 Gigabit Optical Performance

• Accelerated data transmission
• Enhanced network scalability
• Reduced bottlenecks
• Improved application availability
• Stable enterprise-grade connectivity
• Efficient traffic handling

Optical Transmission Characteristics

• Transmit Wavelength (TX): 1330 nm
• Receive Wavelength (RX): 1270 nm
• Connector Interface: LC Simplex
• Fiber Mode: Single-Mode

Deployment Scenarios

• Enterprise core networking
• Data center interconnection
• Campus backbone infrastructure
• ISP optical deployments
• Long-distance switch uplinks
• Remote branch connectivity

Compact SFP+ Form Factor

Physical Specifications

• Dimensions: 13.4 mm × 56.5 mm × 8.5 mm
• Compact hot-swappable design
• Space-efficient installation
• Lightweight optical architecture

Advantages of SFP+ Design

• Simple installation
• Reduced maintenance effort
• Scalable network expansion
• Minimal operational interruption

LC Simplex Interface for Reliable Optical Connectivity

• High optical precision
• Reduced insertion loss
• Secure fiber attachment
• Efficient cable management

Industrial Temperature Tolerance

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

Low Power Consumption for Efficient Network Operations

Energy Efficiency Highlights

• Lower heat generation
• Reduced power requirements
• Optimized rack cooling
• Improved operational efficiency

Supported Infrastructure Categories

• Enterprise switches
• Aggregation layers
• Distribution networks
• Routing platforms
• High-capacity backbone systems

RoHS Compliance and Sustainable Design

• Environmentally conscious manufacturing
• Regulatory alignment
• Reduced hazardous material usage
• Long-term sustainability support

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

The Cisco SFP-10G-BX40D-I= LC to PC Single-Mode SFP+ 10 Gbps Transceiver Module is engineered to support high-performance optical networking environments that demand stable long-distance data transmission with reduced fiber infrastructure requirements. Designed as a bidirectional SFP+ optical transceiver, this module enables 10 Gigabit Ethernet connectivity while utilizing a single strand of single-mode fiber, creating an efficient approach for network expansion and modernization.

Organizations implementing scalable network architectures frequently require compact optical interfaces capable of delivering speed, reliability, and compatibility. This transceiver addresses those requirements by combining compact SFP+ form factor design with advanced wavelength-division transmission technology. The module operates within enterprise networks, carrier deployments, data centers, and metropolitan infrastructure where bandwidth demand continues to grow.

Understanding the Role of SFP+ Optical Transceiver Technology

Small Form-Factor Pluggable Plus technology represents an evolution in modular optical networking. The Cisco SFP-10G-BX40D-I= supports a standardized interface allowing administrators to deploy flexible networking environments without replacing entire switch platforms.

The compact architecture reduces physical footprint while maintaining high throughput performance. Through hot-swappable functionality, administrators can install, replace, or upgrade modules without significant operational interruption.

What Makes Bidirectional Optical Transmission Different

Traditional fiber communication often requires two fiber strands—one for transmission and another for reception. Bidirectional optical technology changes this model by transmitting and receiving data over a single optical fiber using different wavelengths.

This approach reduces infrastructure complexity while maximizing existing cabling investment. Enterprises operating in environments with limited fiber availability gain substantial operational flexibility.

Single-Mode Fiber Integration Advantages

Single-mode fiber supports focused light propagation over extended distances with reduced attenuation. The Cisco SFP-10G-BX40D-I= leverages these characteristics to provide consistent signal quality across long network spans.

The reduced signal dispersion of single-mode optical infrastructure contributes to enhanced reliability and predictable performance for mission-critical communications.

Core Performance Characteristics of Cisco SFP-10G-BX40D-I=

This transceiver is designed to meet modern network requirements by combining high bandwidth with long-distance optical communication capabilities.

10 Gigabit Ethernet Connectivity

High-capacity network environments rely on consistent throughput for application delivery, virtualization, storage communication, and user access. The 10 Gbps transmission capability supports demanding workloads while reducing congestion across aggregation and access layers.

As enterprise applications become increasingly bandwidth intensive, deploying optical modules capable of sustaining elevated transfer rates contributes to improved user experiences and infrastructure efficiency.

Optimized Throughput Management

Network bottlenecks frequently emerge when transmission interfaces cannot match workload requirements. The Cisco SFP-10G-BX40D-I= addresses these challenges through efficient optical conversion and stable signal delivery.

This allows network administrators to maintain performance consistency across interconnected environments.

Extended Distance Communication

Long-distance optical communication remains essential for organizations connecting remote buildings, campus networks, regional facilities, and telecommunications infrastructure.

The optical characteristics of this module enable communication across extended deployment distances while preserving signal integrity and minimizing transmission degradation.

LC Connector Architecture and Optical Interface Design

The module utilizes an LC connector format paired with precision optical alignment mechanisms. LC connectivity remains widely adopted due to compact dimensions, reliable engagement, and broad ecosystem compatibility.

Benefits of LC Optical Connectivity

LC interfaces support higher port density compared to larger connector formats, enabling more efficient use of rack space.

Reduced connector size allows network operators to deploy greater optical density within switching and routing environments while maintaining service accessibility.

Precision Signal Alignment

Accurate optical alignment plays a critical role in maintaining low insertion loss and stable transmission quality. Precision-engineered connector interfaces support dependable communication across extended operational periods.

Compatibility Across Cisco Networking Platforms

One of the most important considerations in optical deployment planning is platform interoperability. The Cisco SFP-10G-BX40D-I= is developed to align with supported Cisco switching and routing platforms.

This compatibility helps organizations maintain operational consistency while reducing deployment uncertainty.

Enterprise Switching Environments

Enterprise networks frequently require modular expansion capabilities. Optical transceiver integration supports scalable network growth without introducing extensive hardware replacement cycles.

High-speed uplinks, server connectivity, and inter-switch communication become more manageable through standardized optical modules.

Data Center Infrastructure Support

Modern data centers depend on low-latency communication between compute, storage, and networking resources.

The SFP+ form factor enables dense deployment scenarios while preserving airflow and minimizing rack utilization.

Virtualized Infrastructure Connectivity

Virtualized environments generate continuous east-west traffic patterns that require dependable interconnect performance.

Optical modules supporting 10 Gigabit Ethernet facilitate efficient workload mobility and infrastructure responsiveness.

Operational Efficiency and Infrastructure Optimization

Organizations increasingly prioritize infrastructure efficiency to control operating costs and simplify network management.

The Cisco SFP-10G-BX40D-I= contributes to these objectives by minimizing fiber requirements and supporting scalable deployment practices.

Reduced Cabling Complexity

Using a single fiber strand for bidirectional communication can significantly reduce cable management challenges.

Simplified optical pathways improve maintainability and reduce installation overhead in both new and existing deployments.

Lower Infrastructure Expansion Costs

Fiber installation projects often involve substantial investment. Maximizing available fiber resources allows organizations to extend network capabilities without extensive physical infrastructure changes.

Deployment Scenarios and Use Cases

Campus Network Interconnection

Educational institutions, corporate campuses, and distributed facilities frequently require high-capacity building-to-building communication.

The long-distance capability of the module supports efficient campus networking while preserving optical resources.

Metropolitan Network Extensions

Service providers and large organizations often deploy metropolitan optical links to connect geographically separated environments.

The Cisco SFP-10G-BX40D-I= enables dependable data transport across urban infrastructure.

Carrier and Telecommunications Applications

Telecommunications operators require optical interfaces capable of supporting sustained traffic volumes.

The module’s performance characteristics align with environments demanding reliable service continuity and scalable expansion.

Reliability, Thermal Management, and Continuous Operation

Network infrastructure operates continuously and requires hardware capable of maintaining stable performance under varying environmental conditions.

Thermal Efficiency

Compact transceiver designs must balance density with heat management. Efficient internal engineering helps maintain stable operating conditions and contributes to long-term reliability.

Consistent Optical Output

Stable optical transmission minimizes packet loss and supports uninterrupted communication across connected systems.

Reliable output characteristics improve overall network predictability.

Long-Term Infrastructure Stability

Enterprises seeking durable networking investments benefit from optical components designed for extended operational cycles and predictable performance characteristics.

Advantages of Selecting Cisco Optical Networking Components

Cisco optical technologies are developed to support interoperability, consistent performance, and operational reliability across supported networking ecosystems.

The Cisco SFP-10G-BX40D-I= reflects these principles by delivering efficient optical communication in environments where bandwidth, distance, and infrastructure utilization remain critical concerns.

Scalable Architecture Support

Scalable networks require adaptable optical building blocks capable of evolving alongside business requirements.

Deploying modular transceivers enables organizations to expand capacity incrementally while maintaining architectural consistency.

Supporting Long-Term Digital Transformation

Modern enterprises continue to expand cloud adoption, distributed computing, and application availability requirements. High-speed optical connectivity remains a foundational element in supporting these strategic initiatives.

Through its combination of single-mode transmission, bidirectional communication, LC connectivity, and 10 Gigabit performance, the Cisco SFP-10G-BX40D-I= remains positioned as an effective solution for organizations building efficient and scalable optical network infrastructures.