GLC-BX40-DA-I Cisco SFP Transceiver Module LC to PC SMF

Highlights of Cisco SFP Transceiver Module

The GLC-BX40-DA-I Cisco SFP Transceiver is a high-performance optical module designed for reliable data transmission over long distances. It supports 1Gbps Gigabit Ethernet and operates on single-mode fiber with a reach of up to 40km.

Main Information

• Brand: Cisco
• Model Number: GLC-BX40-DA-I
• Product Type: Optical Transceiver Module

Technical Highlights

• Designed for optical networking
• Ideal for data communication systems

Interfaces & Ports

• Total Ports: 1
• Connector Type: LC/PC
• Port Details: 1 x LC/PC 1000Base-BX40-D Network

Media & Performance

• Media Type: Optical Fiber
• Fiber Mode: Single-mode

Networking Technology

• Ethernet Standard: Gigabit Ethernet
• Network Protocol: 1000Base-BX40-D

Physical Details

• Hot-swappable design for easy installation

Dimensions

• Height: 0.3"
• Width: 0.5"
• Depth: 2.2"
• Weight: Approx. 0.17 lb

Miscellaneous Information

Compatibility

• MSA Compliant ensuring interoperability with multiple systems

Overview of Cisco GLC-BX40-DA-I SFP Single Mode Transceiver

The Cisco GLC-BX40-DA-I SFP Transceiver Module LC to PC Single Mode Fiber is engineered for organizations that require dependable long-distance optical connectivity while maximizing the efficiency of existing fiber infrastructure. Designed as a hot-swappable Small Form-Factor Pluggable (SFP) transceiver, this optical networking solution enables Gigabit Ethernet communication over single-mode fiber using bidirectional (BiDi) technology. Instead of requiring two separate fiber strands for transmitting and receiving data, the module utilizes a single strand of fiber, making it an ideal solution for enterprises seeking cost-effective network expansion without compromising performance.

Modern enterprise networks continue to demand higher bandwidth, lower latency, and improved reliability. The Cisco GLC-BX40-DA-I fulfills these requirements by delivering stable Gigabit Ethernet connectivity across distances reaching up to 40 kilometers. This capability makes the module suitable for metropolitan area networks, campus environments, industrial communication systems, telecommunications infrastructure, surveillance deployments, educational institutions, and government facilities.

Its compact SFP form factor allows effortless integration into compatible Cisco networking equipment, including Ethernet switches, routers, and aggregation platforms. Because the module supports hot-swapping, network administrators can replace or upgrade transceivers without powering down equipment, reducing downtime while simplifying maintenance operations.

Advanced BiDi Optical Transmission Technology

Single Fiber Communication Efficiency

One of the defining characteristics of the Cisco GLC-BX40-DA-I SFP Transceiver Module is its implementation of bidirectional optical communication. Conventional fiber optic connections typically require two optical fibers—one dedicated to transmitting data and another reserved for receiving information. BiDi technology fundamentally changes this architecture by enabling simultaneous transmission and reception over a single optical fiber using different wavelengths.

This innovative design significantly reduces fiber infrastructure requirements while maintaining Gigabit Ethernet performance. Organizations that have limited fiber availability or operate within buildings where installing additional fiber is expensive can dramatically reduce deployment costs through BiDi networking solutions.

Optimized Optical Wavelengths

The transceiver utilizes precisely calibrated transmit and receive wavelengths that prevent signal interference while ensuring dependable communication. This wavelength division multiplexing approach enables both data streams to coexist over the same physical fiber without degrading network integrity.

Benefits of Bidirectional Optical Communication

Bidirectional networking improves overall fiber utilization, minimizes installation complexity, lowers infrastructure expenses, and extends the operational value of existing fiber assets. Enterprises can expand network capacity without investing in entirely new cabling systems, making BiDi transceivers particularly attractive for growing network environments.

Designed for Long-Distance Optical Networking

Reliable 40 Kilometer Transmission

The Cisco GLC-BX40-DA-I is specifically developed for extended-distance optical communication. Supporting transmission distances of up to 40 kilometers over single-mode fiber, it enables organizations to establish reliable connections between geographically separated locations while maintaining consistent Gigabit Ethernet performance.

Long-distance communication is especially valuable for businesses operating multiple campuses, branch offices, remote warehouses, industrial plants, healthcare facilities, educational campuses, and municipal infrastructures. Stable long-range connectivity allows centralized resource management while reducing operational complexity.

Metropolitan Area Network Connectivity

Many metropolitan deployments require secure, uninterrupted communication between distributed networking locations. The Cisco GLC-BX40-DA-I provides sufficient optical reach for metropolitan networking environments where dependable connectivity supports voice communication, cloud applications, enterprise software, storage replication, and centralized management platforms.

Supporting Expanding Enterprise Networks

As businesses continue to expand geographically, networking equipment must support increasing transmission distances without sacrificing performance. Long-range optical modules enable organizations to build scalable infrastructures capable of accommodating future growth while maintaining network efficiency.

Compatibility with Cisco Networking Equipment

Broad Integration Across Enterprise Infrastructure

The Cisco GLC-BX40-DA-I integrates seamlessly with a wide range of Cisco networking products that support standard SFP interfaces. This compatibility simplifies deployment and enables organizations to upgrade optical connectivity without replacing existing switching or routing hardware.

Because the module adheres to standardized SFP specifications, installation is straightforward and minimizes configuration complexity. Network engineers can quickly deploy optical connections in enterprise environments with minimal disruption.

Hot-Swappable Functionality

The hot-pluggable design enables administrators to insert or remove the transceiver while network equipment remains operational. This capability greatly reduces maintenance windows and eliminates unnecessary service interruptions during upgrades, replacements, or troubleshooting activities.

Simplified Network Maintenance

Routine hardware maintenance becomes considerably easier with hot-swappable optical modules. Network administrators can isolate optical connectivity issues, replace faulty transceivers, and perform infrastructure upgrades without affecting surrounding equipment.

Single Mode Fiber Performance Advantages

Superior Optical Signal Integrity

Single-mode fiber offers exceptional transmission quality because it allows light to travel along a single propagation path. This minimizes modal dispersion and preserves signal integrity over significantly longer distances compared to multimode fiber.

The Cisco GLC-BX40-DA-I fully leverages these characteristics to deliver dependable Gigabit Ethernet communication with minimal attenuation across extended network links.

Reduced Signal Loss

Low attenuation is one of the major advantages of single-mode optical networking. Reduced signal degradation enables longer transmission distances while maintaining excellent data integrity and communication reliability.

Enhanced Network Stability

Stable optical communication minimizes packet retransmissions, improves application responsiveness, supports consistent throughput, and contributes to predictable network performance across enterprise infrastructures.

Applications Across Multiple Industries

Enterprise Campus Networks

Large corporate campuses frequently require high-speed optical communication between multiple buildings. The Cisco GLC-BX40-DA-I provides dependable Gigabit Ethernet connectivity while maximizing existing fiber infrastructure.

Educational Institutions

Universities and schools often maintain interconnected academic buildings, laboratories, libraries, dormitories, and administrative offices. Long-distance single-mode optical connectivity supports centralized networking resources while ensuring dependable communication across campus facilities.

Healthcare Networks

Healthcare organizations rely on uninterrupted connectivity for electronic medical records, diagnostic imaging systems, administrative applications, and patient management platforms. Reliable optical communication helps ensure continuous access to mission-critical information.

Industrial Automation

Manufacturing environments frequently require dependable communication between production facilities, monitoring stations, and centralized control rooms. Long-distance fiber networking supports automation systems while resisting electromagnetic interference common in industrial settings.

Telecommunications Infrastructure

Telecommunication providers utilize optical networking equipment to connect aggregation points, switching facilities, and customer access infrastructure. High-quality optical transceivers contribute to reliable service delivery across distributed communication networks.

Government and Public Sector Deployments

Municipal organizations, transportation authorities, emergency response centers, and public utilities benefit from stable optical communication that supports surveillance systems, operational management platforms, and secure administrative networks.

Gigabit Ethernet Network Performance

Consistent Data Transmission

Gigabit Ethernet continues to serve as a dependable networking standard for organizations requiring stable, high-speed communication. The Cisco GLC-BX40-DA-I supports reliable data exchange suitable for file transfers, application access, cloud connectivity, virtualization, backup operations, and collaborative business applications.

Supporting Business-Critical Applications

Enterprise software increasingly depends on low-latency communication between distributed servers, storage devices, virtualization platforms, and end users. Stable optical infrastructure enhances overall application responsiveness while improving user experience.

Optimized Infrastructure Efficiency

Reliable Gigabit Ethernet communication reduces network bottlenecks, enhances operational productivity, and supports consistent performance throughout enterprise environments.

Installation and Deployment Flexibility

Compact Small Form-Factor Pluggable Design

The compact SFP form factor allows high-density switch and router deployments without consuming excessive hardware space. Organizations can deploy numerous optical interfaces within limited rack environments while maintaining excellent cable management.

Rapid Network Expansion

As networking demands increase, administrators can quickly install additional Cisco GLC-BX40-DA-I modules to expand optical connectivity. This modular architecture supports incremental infrastructure growth without requiring large-scale hardware replacements.

Minimal Deployment Complexity

Standardized installation procedures simplify deployment across enterprise environments, enabling network engineers to maintain consistent operational practices while reducing installation errors.

Network Reliability and Operational Stability

Continuous Optical Communication

Reliable network infrastructure forms the foundation of modern digital operations. The Cisco GLC-BX40-DA-I is engineered to provide dependable optical communication that supports continuous business operations across distributed enterprise environments.

Reduced Maintenance Requirements

Quality optical components contribute to extended operational lifecycles while minimizing unexpected maintenance activities. Reliable transceiver performance helps reduce network interruptions and supports predictable operational planning.

Supporting Business Continuity

Stable optical connectivity ensures uninterrupted access to enterprise applications, centralized databases, communication systems, and cloud-based resources that organizations rely upon every day.