GLC-BX40-U-I Cisco 1GBPS Transceiver Module 40km LC Connector

Details of Cisco 1GBPS Transceiver Module

The GLC-BX40-U-I Cisco SFP Transceiver is a high-performance optical networking module engineered for Gigabit Ethernet connectivity. It enables dependable data transmission across single-mode fiber up to 40km, operating with 1310nm TX and 1550nm RX wavelengths.

General Information

• Manufacturer: Cisco
• Part Number: GLC-BX40-U-I
• Device Type: Optical Transceiver Module

Technical Specifications

• Optimized for data networking
• Designed for optical communication systems
• Total Ports: 1
• Connector Type: LC/PC
• Port Details: 1 x LC/PC 1000BASE-BX40-U Network

Media & Performance

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

Networking Technology

• Ethernet Standard: Gigabit Ethernet
• Network Protocol: 1000BASE-BX40-U

Physical Characteristics

• Hot-swappable design for easy installation and replacement

Dimensions

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

Miscellaneous Information

Compatibility

• Fully Cisco Catalyst Switch compatible
• Supported models include:
  • 4503
  • 4503-E
  • 4504
  • 4506
  • 4506-E

Cisco GLC-BX40-U-I 1GBPS 40km Transceiver Module Overview

The Cisco GLC-BX40-U-I 1GBPS 40km LC Connector Transceiver Module is designed for organizations that require stable, high-speed optical communication across long distances without sacrificing reliability or network efficiency. Built for Gigabit Ethernet applications, this Small Form-Factor Pluggable (SFP) optical transceiver delivers consistent data transmission over single-mode fiber while supporting enterprise-grade networking environments. Its compact design, hot-swappable functionality, and advanced optical technology make it a preferred solution for businesses deploying scalable fiber infrastructure.

Modern enterprises rely heavily on uninterrupted communication between headquarters, branch offices, industrial sites, educational institutions, healthcare facilities, and data centers. The Cisco GLC-BX40-U-I addresses these requirements by providing dependable 1Gbps connectivity with transmission distances reaching up to 40 kilometers. This capability allows organizations to build extensive network infrastructures without requiring intermediate signal regeneration devices.

Advanced Gigabit Optical Networking Technology

Gigabit Ethernet continues to serve as a reliable networking standard across enterprise environments. The Cisco GLC-BX40-U-I integrates sophisticated optical transmission technology that ensures stable communication between network devices while maintaining exceptional signal integrity over long-distance fiber links.

The module is engineered to minimize signal degradation through high-quality optical components. As data travels across fiber optic infrastructure, the transceiver maintains accurate signal conversion between electrical and optical formats, allowing switches and networking equipment to communicate efficiently without noticeable packet loss or performance degradation.

Organizations implementing fiber-based infrastructures appreciate the dependable performance offered by this transceiver, especially when continuous uptime and network stability are business-critical requirements.

Designed for High Network Availability

High availability remains one of the primary concerns for enterprise networking professionals. Downtime often results in productivity loss, operational interruptions, and reduced customer satisfaction. The Cisco GLC-BX40-U-I contributes to network resilience by offering dependable optical performance suitable for always-on environments.

The transceiver maintains stable communication under demanding workloads while supporting continuous data transmission across multiple connected devices. Whether deployed in campus environments or distributed enterprise networks, it helps ensure uninterrupted network operations.

40 Kilometer Long-Reach Optical Communication

One of the defining characteristics of the Cisco GLC-BX40-U-I is its ability to transmit Gigabit Ethernet signals across distances of up to 40 kilometers using single-mode fiber. This extended reach enables organizations to connect geographically separated facilities while maintaining efficient communication.

Long-distance connectivity reduces the need for additional networking hardware, helping simplify infrastructure design and lower maintenance complexity. Businesses with multiple office locations benefit from direct fiber connections that improve overall network efficiency while minimizing latency.

Supporting Wide Area Enterprise Networks

Organizations with distributed locations require networking equipment capable of maintaining consistent communication across extended distances. The Cisco GLC-BX40-U-I supports these deployments by delivering dependable optical performance that meets enterprise networking demands.

Its long transmission capability allows IT administrators to connect buildings, industrial campuses, remote facilities, government offices, and educational campuses through dedicated optical fiber infrastructure while preserving Gigabit network performance.

Single-Mode Fiber Optimization

The Cisco GLC-BX40-U-I has been specifically developed for operation over single-mode fiber. Single-mode fiber offers significantly lower signal attenuation compared to multimode fiber, making it ideal for long-distance communication where consistent signal quality is essential.

Using single-mode fiber also enables future infrastructure expansion since the fiber plant itself supports higher bandwidth technologies beyond Gigabit Ethernet. This provides investment protection for organizations planning future network upgrades.

Improved Optical Signal Quality

Single-mode optical transmission helps reduce dispersion and attenuation over long cable runs. These characteristics contribute to stable communication, allowing organizations to maintain reliable network performance while minimizing transmission errors.

BiDi Optical Technology Advantages

The Cisco GLC-BX40-U-I utilizes bidirectional optical transmission technology, commonly referred to as BiDi. This technology allows simultaneous transmission and reception over a single strand of optical fiber by using different wavelengths for upstream and downstream communication.

BiDi technology significantly improves fiber utilization, allowing organizations to reduce fiber infrastructure requirements while maintaining high-performance communication.

Efficient Fiber Resource Utilization

Many enterprise buildings have limited available fiber resources. The ability to transmit and receive data using a single fiber strand allows IT teams to maximize existing infrastructure while reducing installation costs associated with deploying additional fiber cables.

LC Connector Precision

The Cisco GLC-BX40-U-I features an industry-standard LC optical connector designed for high-density fiber networking installations. LC connectors are widely recognized for their compact dimensions, secure connections, and low insertion loss.

The compact connector design enables network engineers to install numerous optical connections within limited rack space, supporting modern high-density switch deployments.

Reliable Physical Connectivity

Stable optical communication depends heavily on connector quality. Precision-engineered LC connectors help minimize optical reflection and insertion loss, preserving signal quality throughout the communication path.

Hot-Swappable Installation Capability

Enterprise environments frequently require hardware maintenance without interrupting production services. The Cisco GLC-BX40-U-I supports hot-swappable installation, allowing technicians to replace or install modules while networking equipment remains operational.

This capability minimizes service interruptions and simplifies maintenance procedures, making network upgrades more efficient while reducing planned downtime.

Simplified Maintenance Operations

Hot-swappable functionality enables administrators to respond quickly to hardware replacement requirements without shutting down switches or disrupting users. This feature is particularly valuable within mission-critical business environments where continuous availability is expected.

Compatibility with Cisco Networking Infrastructure

The Cisco GLC-BX40-U-I is engineered for seamless integration with compatible Cisco networking equipment. Proper compatibility helps ensure dependable operation while enabling administrators to leverage advanced monitoring and management capabilities available through Cisco network operating systems.

Using compatible transceivers contributes to predictable performance and simplified troubleshooting across enterprise environments.

Consistent Integration Experience

Organizations standardizing on Cisco networking hardware benefit from consistent installation procedures, straightforward module recognition, and reliable interoperability between switches and optical infrastructure.

Enterprise Data Center Connectivity

Data centers require networking components capable of delivering stable, uninterrupted communication between storage systems, aggregation switches, and core infrastructure. The Cisco GLC-BX40-U-I provides reliable Gigabit optical connectivity suitable for these demanding environments.

Its dependable optical performance helps maintain consistent communication across server environments while supporting virtualization platforms and centralized computing resources.

Supporting Infrastructure Expansion

As enterprise data centers continue to grow, scalable optical connectivity becomes increasingly important. The Cisco GLC-BX40-U-I enables organizations to expand network capacity while maintaining consistent optical communication across evolving infrastructures.

Campus Network Deployment

Educational institutions, corporate campuses, hospitals, and government organizations frequently require long-distance fiber connections between multiple buildings. The Cisco GLC-BX40-U-I provides an effective solution for these distributed campus environments.

Its extended transmission distance allows network designers to connect remote buildings through centralized networking infrastructure without requiring intermediate switching equipment.

Reliable Building-to-Building Communication

Fiber connectivity between separate facilities supports centralized management, improved resource sharing, and enhanced collaboration while maintaining dependable Gigabit Ethernet performance.

Industrial Network Applications

Industrial environments often require dependable communication across large manufacturing facilities, warehouses, logistics centers, and processing plants. The Cisco GLC-BX40-U-I supports these requirements by providing reliable long-distance optical connectivity that remains suitable for demanding operational environments.

Consistent network communication enables industrial automation systems, monitoring platforms, and operational management applications to function efficiently across extensive facilities.

ISP and Telecommunications Infrastructure

Internet service providers and telecommunications organizations rely on dependable optical networking equipment to maintain customer connectivity. The Cisco GLC-BX40-U-I supports access networks, aggregation layers, and regional communication infrastructure by delivering reliable Gigabit optical transmission.

Its long-distance capability enables providers to extend services efficiently while maintaining consistent network performance.

Security and Surveillance Networks

Modern surveillance systems frequently depend on fiber optic infrastructure to connect remote cameras, monitoring stations, and centralized recording systems. The Cisco GLC-BX40-U-I provides reliable communication suitable for security applications requiring dependable long-range connectivity.

Stable optical transmission ensures surveillance data reaches monitoring centers with minimal interruption while supporting continuous video recording operations.

Energy Efficiency and Operational Reliability

Enterprise networking equipment increasingly emphasizes energy efficiency alongside performance. The Cisco GLC-BX40-U-I incorporates efficient optical components that help reduce power consumption while maintaining dependable Gigabit communication.

Lower power requirements contribute to reduced operational costs while supporting environmentally responsible infrastructure planning.

Continuous Performance Under Heavy Workloads

The module is designed to operate consistently during sustained network activity, helping organizations maintain dependable communication throughout daily operations without compromising transmission quality.

Scalable Network Infrastructure

Business growth often requires gradual network expansion rather than complete infrastructure replacement. The Cisco GLC-BX40-U-I supports scalable networking by integrating seamlessly into existing fiber deployments while enabling additional optical connections as organizational requirements evolve.

This scalability allows IT departments to expand networking capacity while preserving previous infrastructure investments.

Future-Oriented Fiber Deployment

Fiber optic infrastructure represents a long-term investment. Deploying high-quality transceivers alongside single-mode fiber creates a networking foundation capable of supporting future technological advancements while maintaining current operational requirements.

Professional Network Management Benefits

Enterprise administrators require visibility into network hardware performance. Compatible Cisco networking platforms provide valuable diagnostic information regarding optical power levels, module status, temperature, and operational health, assisting proactive maintenance strategies.

These monitoring capabilities improve troubleshooting efficiency while reducing unexpected service interruptions.

Reliable Performance Across Enterprise Environments

The Cisco GLC-BX40-U-I remains a trusted solution for organizations seeking dependable long-distance Gigabit Ethernet connectivity. Its combination of BiDi optical technology, 40-kilometer transmission capability, LC connector compatibility, hot-swappable installation, and enterprise-grade reliability makes it suitable for a broad range of networking applications including data centers, campus networks, telecommunications infrastructure, industrial facilities, government organizations, educational institutions, healthcare environments, and distributed enterprise offices.

By delivering stable optical communication over single-mode fiber while supporting efficient infrastructure utilization, this transceiver module continues to meet the evolving connectivity requirements of modern enterprise networks where performance, scalability, and reliability remain essential operational priorities.