GLC-FE-100BX-U Cisco 100MB 100Base SFP Transceiver Module.

Cisco 100MB 100Base SFP Transceiver Module

The Cisco GLC-FE-100BX-U 100MB 100Base SFP Transceiver Module is a reliable optical networking solution designed for fast Ethernet connectivity. With single-mode fiber support and long-distance transmission capabilities, this hot-swappable module ensures seamless integration into enterprise networking infrastructures.

General Information

• Manufacturer: Cisco
• Part Number: GLC-FE-100BX-U
• Device Type: Transceiver Module

Technical Specifications

• Designed for data networking
• Optimized for optical fiber communication

Interfaces and Ports

• Total Number of Ports: 1
• Connector Type: LC
• Interface Details: 1 x LC 100Base-BX10

Media and Performance

• Supported Media Type: Optical Fiber
• Fiber Mode: Single-mode
• Ethernet Technology: Fast Ethernet
• Network Technology: 100Base-BX10
• Maximum Distance Supported: 10 km

Physical Characteristics

• Hot-swappable design for easy installation
• Compact dimensions: Height 0.3", Width 0.5", Depth 2.2"

Miscellaneous

• Spare product availability
• Wavelength: 1310 nm TX / 1550 nm RX
• Surge Current: 30mA
• Supports pay-as-you-populate model
• Interchangeable with other 100BASE-X SFPs on the same line card
• Cisco Quality ID feature for authentication
• Optically interoperable with respective 100BASE-X Ethernet interfaces

Transmit and Receive Power

• Transmit (dBm): -8 minimum, -14 maximum
• Receive (dBm): -7 maximum, -28.2 minimum

Compatibility

• Cisco Catalyst 6500 Series Switches
• Cisco Catalyst 4500 Series Switches

Cisco GLC-FE-100BX-U 100MB Transceiver Module Overview

The Cisco GLC-FE-100BX-U 100MB 100Base SFP Transceiver Module is designed to provide dependable Fast Ethernet connectivity across single-mode fiber infrastructures. As organizations continue to rely on stable networking environments for communication, surveillance, industrial automation, enterprise networking, and telecommunications, this optical transceiver remains an excellent solution for extending network connections with high reliability and exceptional efficiency. Built according to industry-standard Small Form-Factor Pluggable technology, this module delivers flexible deployment while maintaining excellent compatibility with supported Cisco networking equipment.

Designed specifically for 100Base-BX applications, the Cisco GLC-FE-100BX-U utilizes bidirectional optical transmission over a single strand of single-mode fiber. Unlike conventional dual-fiber optical modules, this technology significantly reduces fiber deployment requirements while maintaining dependable network performance. The result is lower infrastructure costs, simplified cable management, and easier installation across enterprise environments, educational campuses, healthcare facilities, industrial locations, service provider networks, and government infrastructures.

Organizations requiring dependable Fast Ethernet communication often choose this optical module because of its consistent signal integrity, long operational lifespan, low power consumption, and hot-swappable installation capability. Whether expanding an existing Cisco network or replacing aging optical interfaces, this SFP module offers dependable connectivity that supports uninterrupted data communication.

Designed Specifically for 100Base-BX Optical Networking

Efficient Bidirectional Fiber Communication

One of the defining characteristics of the Cisco GLC-FE-100BX-U transceiver is its ability to transmit and receive optical signals over a single strand of single-mode fiber. Bidirectional optical communication uses different wavelengths for transmission and reception, allowing simultaneous data movement without requiring two separate fiber cables.

This innovative design minimizes fiber usage while maximizing infrastructure efficiency. Network administrators can significantly reduce deployment costs, especially in environments where installing additional fiber cabling would be expensive or physically challenging. Existing fiber infrastructures become more valuable since fewer strands are needed to support network expansion.

Optimized for Fast Ethernet Applications

Although Gigabit networking has become common in modern environments, Fast Ethernet continues to play a vital role in numerous industrial and enterprise applications. Manufacturing equipment, security systems, industrial controllers, automation devices, building management systems, legacy networking hardware, and specialized communication equipment continue to rely upon stable 100 Mbps Ethernet connections.

The Cisco GLC-FE-100BX-U has been engineered specifically for these environments, ensuring dependable communication without requiring costly infrastructure upgrades or unnecessary bandwidth increases.

Advanced Optical Engineering for Stable Performance

High Signal Integrity

Optical communication depends heavily on signal quality. Cisco engineers have developed this module to maintain stable optical transmission while minimizing attenuation, interference, and signal degradation across supported transmission distances. High-quality optical components ensure dependable communication even in demanding enterprise deployments where network uptime is essential.

Precision Optical Components

Every internal optical component is manufactured with strict quality standards to provide consistent laser output, accurate wavelength control, and dependable receiver sensitivity. These characteristics contribute to lower packet loss, improved communication stability, and greater overall network reliability.

Reliable Long-Term Operation

The Cisco GLC-FE-100BX-U is designed for continuous operation in professional networking environments. Internal circuitry maintains stable performance during extended workloads while minimizing thermal stress on optical components. This contributes to a longer operational lifespan and reduced maintenance requirements.

Compatibility Across Cisco Networking Platforms

Broad Integration with Cisco Devices

The Cisco GLC-FE-100BX-U integrates seamlessly with many Cisco switches, routers, industrial Ethernet platforms, and networking appliances supporting compatible Fast Ethernet SFP interfaces. This compatibility enables organizations to maintain consistent networking standards throughout their infrastructure while simplifying inventory management.

Support for Enterprise Switching

Many Cisco enterprise switches continue supporting Fast Ethernet optical interfaces for specialized network segments. This module provides dependable connectivity for branch offices, access layer deployments, surveillance systems, and industrial networking environments.

Industrial Ethernet Integration

Industrial environments frequently require rugged and dependable communication links capable of operating continuously. The Cisco GLC-FE-100BX-U supports these applications by delivering stable optical communication suitable for automation, manufacturing, transportation, and utility infrastructures.

Single-Mode Fiber Advantages

Extended Transmission Distance

Single-mode fiber supports significantly longer transmission distances compared to multimode fiber. This allows organizations to connect buildings, campuses, warehouses, industrial facilities, and remote infrastructure without requiring additional repeaters or signal boosters.

The optical design minimizes attenuation while preserving signal quality throughout supported transmission distances, ensuring consistent communication between geographically separated network devices.

Reduced Electromagnetic Interference

Fiber optic communication remains immune to electromagnetic interference generated by heavy machinery, electrical equipment, radio transmitters, and industrial systems. This makes the Cisco GLC-FE-100BX-U particularly valuable in electrically noisy environments where copper networking may experience performance degradation.

Hot-Swappable Installation

Simple Deployment Process

The Small Form-Factor Pluggable design enables administrators to install or replace the Cisco GLC-FE-100BX-U without shutting down network equipment. Hot-swappable capability minimizes operational disruptions and simplifies maintenance procedures across enterprise infrastructures.

Reduced Downtime

Replacing faulty optical modules becomes a straightforward maintenance task that requires minimal interruption to business operations. Network administrators can quickly exchange modules while preserving service availability.

Scalable Network Expansion

Additional optical links can be deployed as organizational requirements grow. The modular SFP design supports flexible infrastructure expansion without replacing existing networking equipment.

Energy-Efficient Optical Communication

Low Power Consumption

Power efficiency remains an important consideration within modern data centers and enterprise networking environments. The Cisco GLC-FE-100BX-U operates with low electrical power requirements while maintaining dependable optical performance.

Lower power consumption reduces operational expenses, minimizes heat generation, and contributes to improved overall energy efficiency throughout networking equipment.

Reduced Thermal Output

Efficient thermal characteristics help maintain stable operation inside densely populated switches and networking appliances. Lower operating temperatures improve hardware longevity while reducing cooling requirements.

Ideal Applications Across Multiple Industries

Enterprise Office Networks

Corporate offices frequently require dependable Fast Ethernet connectivity between wiring closets, departmental switches, branch offices, and building infrastructure. The Cisco GLC-FE-100BX-U delivers reliable optical communication supporting continuous business operations.

Educational Institutions

Schools, universities, research centers, and educational campuses often maintain distributed network infrastructures spanning multiple buildings. Single-mode optical communication provides efficient inter-building connectivity using existing fiber resources.

Healthcare Facilities

Hospitals and healthcare organizations depend upon reliable networking for medical systems, imaging equipment, administrative applications, and security infrastructure. Stable optical communication contributes to uninterrupted information availability throughout healthcare environments.

Industrial Automation

Factories, manufacturing plants, logistics centers, mining operations, and energy facilities frequently utilize Fast Ethernet devices requiring dependable communication. Optical networking eliminates susceptibility to electrical interference while supporting continuous industrial operations.

Security Surveillance Networks

Video surveillance systems commonly deploy cameras across extensive campuses where optical communication provides superior distance capabilities. The Cisco GLC-FE-100BX-U enables dependable connectivity between surveillance equipment and centralized monitoring systems.

Superior Build Quality

Professional Manufacturing Standards

Cisco products are recognized worldwide for strict engineering standards and manufacturing quality. The GLC-FE-100BX-U undergoes comprehensive testing procedures that verify optical performance, electrical integrity, interoperability, and environmental reliability before deployment.

Quality Assurance

Extensive validation ensures every module satisfies stringent networking requirements. This testing reduces deployment risks while providing predictable performance within enterprise infrastructures.

Long Operational Life

Premium internal components, efficient thermal management, and precise manufacturing contribute to dependable long-term service even under continuous operational workloads.

Simplified Network Management

Consistent Cisco Integration

Using genuine Cisco optical modules simplifies network administration because firmware compatibility, hardware recognition, and operational consistency remain aligned with Cisco networking standards.

Predictable Performance

Network administrators benefit from reliable module recognition, stable operation, and simplified troubleshooting across enterprise infrastructures using Cisco-certified hardware.