GLC-BX40-U-I Cisco GBIC SFP SMF Transceiver Module

Details of Cisco GBIC SFP SMF Transceiver Module

The Cisco GLC-BX40-U-I 1Gbps Transceiver Module is a reliable optical networking solution designed for Gigabit Ethernet connectivity. It supports single-mode fiber transmission up to 40km, offering seamless performance with an LC connector interface.

Product Information

• Brand: Cisco
• Model Number: GLC-BX40-U-I
• Device Type: Optical Transceiver Module
• Form Factor: Plug-in Module

Networking Specifications

• Technology: Wired
• Cabling Type: 1000BASE-BX40-U
• Data Link Protocol: Gigabit Ethernet (Gige)

Optical Performance

• Wave Length: 1310nm (TX) / 1550nm (RX)
• Maximum Transfer Distance: 24.9 miles (40km)
• Features: Digital Optical Monitoring (DOM) support
• Compliant Standards: IEEE 802.3ah

Expansion & Connectivity

Interfaces

• 1 x Ethernet 1000BASE-BX40-D - LC/PC Single-mode

Compatibility

Cisco Catalyst Switches

• 4503
• 4503-E
• 4504
• 4506
• 4506-E

Key Advantages

• Reliable long-distance transmission up to 40km
• Compact plug-in design for easy installation
• Supports high-speed Gigabit Ethernet connectivity
• Digital Optical Monitoring for enhanced performance tracking
• Seamless integration with Cisco Catalyst switches
• Industry-standard compliance ensures interoperability

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

The Cisco GLC-BX40-U-I 1GBPS 40km LC Connector Transceiver Module is designed to provide dependable Gigabit Ethernet connectivity across long-distance fiber optic infrastructures. Organizations that require stable data transmission between buildings, campuses, industrial facilities, telecommunications environments, and metropolitan networks benefit from this advanced optical transceiver. Built with Cisco engineering standards, the module supports high-speed communication while maintaining compatibility with numerous Cisco networking platforms. The transceiver delivers excellent optical performance, low latency, superior signal integrity, and long operational life, making it an ideal solution for enterprise-grade fiber deployments.

As modern businesses continue expanding their digital infrastructure, reliable fiber communication becomes increasingly important. The Cisco GLC-BX40-U-I enables organizations to maximize network efficiency while minimizing installation complexity. Its compact Small Form-Factor Pluggable design allows flexible deployment without requiring major hardware modifications, making network expansion easier and more cost-effective.

Advanced Gigabit Ethernet Connectivity

Gigabit Ethernet remains one of the most widely deployed networking standards across corporate, educational, healthcare, manufacturing, financial, and government environments. The Cisco GLC-BX40-U-I supports consistent 1 Gigabit per second data transfer, allowing organizations to maintain reliable communication between switches, routers, aggregation devices, and network distribution layers.

The module supports uninterrupted communication over extended fiber distances while maintaining signal quality throughout the transmission path. This capability enables enterprises to connect remote buildings, branch offices, surveillance systems, industrial equipment, and campus infrastructure without sacrificing performance.

Optimized Optical Signal Transmission

Optical networking requires precision in both transmission and reception. The Cisco GLC-BX40-U-I incorporates high-quality optical components that minimize attenuation while preserving data integrity across fiber infrastructure. This helps reduce transmission errors, packet loss, retransmissions, and network instability even in demanding enterprise deployments.

Stable Network Communication

Stable communication is essential for applications including VoIP, cloud computing, virtualization, centralized storage, video conferencing, enterprise resource planning, and database synchronization. The Cisco GLC-BX40-U-I helps maintain continuous communication by providing reliable optical connectivity over extended distances.

40 Kilometer Long Distance Fiber Connectivity

One of the defining characteristics of the Cisco GLC-BX40-U-I is its ability to transmit Gigabit Ethernet signals across distances reaching approximately 40 kilometers. Long-distance connectivity enables organizations to expand their network infrastructure beyond traditional campus limitations.

Businesses operating multiple facilities often require dependable communication between headquarters, warehouses, production facilities, remote offices, disaster recovery locations, and distribution centers. The Cisco GLC-BX40-U-I provides the optical reach necessary to establish these long-distance fiber connections without requiring intermediate network equipment.

Ideal for Metropolitan Area Networks

Metropolitan Area Networks frequently require optical communication across several kilometers. The Cisco GLC-BX40-U-I supports these environments by delivering consistent Gigabit Ethernet performance suitable for municipal infrastructure, educational institutions, utility providers, and telecommunications providers.

Campus-Wide Fiber Infrastructure

Large educational institutions, healthcare organizations, manufacturing plants, and government campuses often require fiber communication between multiple buildings. The module enables administrators to establish reliable high-speed backbone connections that maintain excellent network performance across extensive facilities.

Compact Small Form-Factor Pluggable Architecture

The Small Form-Factor Pluggable design offers significant deployment flexibility while minimizing physical space requirements inside networking equipment. The compact dimensions allow network administrators to install numerous optical modules within high-density switches and routers.

Its hot-swappable architecture simplifies maintenance procedures, allowing replacement or upgrades without shutting down the complete networking system. This minimizes operational disruptions while supporting continuous business operations.

High Density Network Installations

Modern enterprise switches frequently contain dozens of SFP ports. The compact construction of the Cisco GLC-BX40-U-I enables organizations to maximize available interface capacity while preserving airflow and cooling efficiency inside networking cabinets.

Reduced Infrastructure Complexity

Because the module integrates directly into compatible Cisco networking equipment, installation remains straightforward without requiring additional external converters or media adapters. This contributes to simplified infrastructure management and improved network organization.

High Quality Optical Components

The Cisco GLC-BX40-U-I incorporates precision-engineered optical transmitters and receivers designed for dependable enterprise operation. High-quality internal components contribute to excellent transmission stability, long service life, and reduced maintenance requirements.

Improved Signal Integrity

Signal degradation can significantly impact network performance over long fiber distances. The Cisco GLC-BX40-U-I minimizes optical distortion while maintaining accurate signal delivery, ensuring reliable communication between networking devices.

Consistent Optical Performance

Enterprise networking environments demand continuous operation around the clock. The module is engineered to deliver stable optical performance under prolonged operational conditions, supporting mission-critical applications that cannot tolerate communication interruptions.

Compatibility with Cisco Networking Equipment

The Cisco GLC-BX40-U-I is designed for seamless integration with numerous Cisco switches, routers, aggregation devices, and enterprise networking platforms supporting compatible SFP interfaces. Native compatibility simplifies deployment and allows organizations to leverage existing Cisco investments.

Enterprise Switch Integration

Many Cisco enterprise switches utilize Small Form-Factor Pluggable interfaces to provide flexible fiber connectivity options. The Cisco GLC-BX40-U-I integrates directly into these interfaces while supporting reliable Gigabit Ethernet communication.

Router Connectivity

Enterprise routers frequently require long-distance optical interfaces for WAN aggregation, branch connectivity, and backbone communication. The module provides dependable optical performance suitable for these demanding networking environments.