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

Cisco SFP LC To PC 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.

General Information

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

Technical Specifications

Application & Usage

• 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 Characteristics

• 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

Key Benefits

• Reliable long-distance data transmission up to 40km
• Compact and lightweight design for flexible deployment
• Hot-swappable feature reduces downtime
• Industry-standard compliance for broad compatibility

Cisco GLC-BX40-DA-I 1GBPS SFP Transceiver Module Overview

The GLC-BX40-DA-I Cisco 1Gbps 1000Base-BX-D Single-Mode Fiber 40km 1490nm TX/1310nm RX LC Connector SFP Transceiver Module is engineered for enterprise-grade fiber networking environments where dependable long-distance communication is essential. Designed with Cisco quality standards, this Small Form-Factor Pluggable transceiver enables Gigabit Ethernet connectivity across single-mode fiber infrastructure while utilizing bidirectional optical technology. The compact design allows organizations to maximize switch and router port density without compromising network performance, reliability, or scalability.

This optical transceiver utilizes BiDi technology that enables both transmission and reception over a single strand of single-mode fiber. Operating with a transmit wavelength of 1490nm and a receive wavelength of 1310nm, the module significantly reduces fiber deployment costs by eliminating the need for dual-fiber installations. The LC simplex connector further simplifies installation while maintaining exceptional optical signal quality over transmission distances reaching up to 40 kilometers.

Advanced Bidirectional Optical Technology

Efficient Single Fiber Communication

The GLC-BX40-DA-I leverages advanced bidirectional transmission technology to enable simultaneous data transmission and reception using a single optical fiber. Unlike traditional duplex transceivers requiring separate transmit and receive fibers, this solution optimizes existing fiber infrastructure and minimizes installation complexity. Organizations upgrading existing networks benefit from reduced cabling requirements while maintaining full Gigabit Ethernet functionality.

The integrated wavelength division multiplexing technology separates incoming and outgoing optical signals through different wavelengths. The transmitter operates at 1490nm while the receiver detects 1310nm optical signals, ensuring efficient and interference-free communication. When paired with its complementary counterpart, the optical connection delivers highly stable network communication suitable for business-critical applications.

Optimized Wavelength Management

Precise wavelength management enhances optical signal integrity while supporting extended transmission distances. The carefully calibrated laser source maintains consistent output power across varying environmental conditions, reducing packet loss and ensuring uninterrupted network operations. This optical precision supports enterprise environments where reliable connectivity is required around the clock.

Long Distance Optical Performance

Supporting transmission distances of up to 40 kilometers over single-mode fiber, the Cisco GLC-BX40-DA-I provides excellent connectivity for geographically dispersed business locations. Whether connecting headquarters with branch offices, industrial campuses, educational institutions, healthcare facilities, or government infrastructures, the module maintains dependable Gigabit Ethernet performance throughout the entire optical path.

The extended transmission range eliminates the need for additional repeaters in many deployments, simplifying network architecture while lowering operational expenses. High optical sensitivity combined with optimized transmitter output ensures exceptional communication quality over long fiber spans.

Gigabit Ethernet Performance

Stable 1Gbps Data Transmission

Designed specifically for Gigabit Ethernet applications, the transceiver delivers consistent 1Gbps throughput suitable for voice, video, cloud applications, virtualization platforms, enterprise databases, and business-critical communication systems. Low latency optical communication enhances application responsiveness while supporting modern digital transformation initiatives.

The module complies with industry Gigabit Ethernet specifications, enabling interoperability across compatible Cisco networking platforms. Businesses gain dependable bandwidth capable of supporting growing workloads without requiring immediate migration to higher-speed infrastructure.

Reliable Packet Delivery

High-quality optical components minimize transmission errors and maximize packet delivery efficiency. Stable laser operation, accurate optical alignment, and superior manufacturing quality contribute to reduced bit error rates, improving network reliability and maintaining optimal application performance.

Single-Mode Fiber Advantages

Superior Transmission Quality

Single-mode fiber provides significantly lower attenuation than multimode alternatives, making it ideal for extended-distance networking deployments. The narrow optical core minimizes signal dispersion, allowing the GLC-BX40-DA-I to maintain exceptional signal clarity across lengthy transmission paths.

Organizations deploying metropolitan area networks, regional connectivity, utility infrastructures, transportation systems, and campus-wide fiber backbones benefit from enhanced optical efficiency and reduced signal degradation.

Scalable Infrastructure Investment

Deploying single-mode fiber infrastructure prepares organizations for future bandwidth growth. Although this transceiver operates at 1Gbps, the underlying fiber infrastructure remains compatible with future higher-speed optical technologies, protecting long-term infrastructure investments while supporting gradual network upgrades.

LC Connector Design

Compact Optical Connectivity

The simplex LC connector provides secure and precise optical alignment while occupying minimal physical space. High-density networking environments benefit from the connector's compact footprint, enabling administrators to maximize available rack capacity without sacrificing accessibility.

The connector design supports quick insertion and removal, simplifying maintenance activities while reducing installation time. Positive locking mechanisms ensure stable optical connections even within demanding enterprise environments.

Reduced Signal Loss

Precision-polished connector surfaces minimize insertion loss and reflection, preserving optical power throughout the communication path. Stable connector performance contributes to improved overall network reliability while supporting extended transmission distances.

Cisco Compatibility and Integration

Designed for Cisco Networking Platforms

The GLC-BX40-DA-I integrates seamlessly with numerous Cisco switches, routers, industrial Ethernet switches, aggregation platforms, and enterprise networking equipment supporting standard SFP interfaces. Native compatibility simplifies deployment while maintaining expected Cisco operational standards.

Administrators can confidently install the module across supported Cisco infrastructures without extensive configuration changes, reducing deployment time and minimizing operational disruptions.

Hot-Pluggable Operation

Hot-swappable capability enables installation or replacement without shutting down networking equipment. Maintenance teams can upgrade or replace transceivers while keeping network services operational, minimizing downtime and improving service availability.

Enterprise Network Applications

Campus Area Networks

Educational institutions frequently require reliable fiber connectivity between multiple academic buildings, administrative facilities, libraries, laboratories, and residential complexes. The GLC-BX40-DA-I supports these deployments by providing dependable long-distance Gigabit Ethernet communication over existing single-mode fiber infrastructure.

Corporate Branch Connectivity

Large organizations often connect headquarters with branch offices through metropolitan fiber networks. The module supports secure, high-performance communication between distributed business locations, ensuring uninterrupted access to centralized resources, cloud platforms, enterprise applications, and collaboration services.

Industrial Automation

Manufacturing plants, warehouses, logistics centers, and industrial facilities benefit from reliable long-distance fiber connectivity that remains resistant to electromagnetic interference. Optical communication improves operational reliability while supporting industrial automation, surveillance systems, and process monitoring applications.

Healthcare Networks

Hospitals and healthcare organizations require dependable network connectivity for electronic medical records, imaging systems, telemedicine platforms, laboratory equipment, and administrative applications. Long-distance optical communication ensures uninterrupted data availability throughout large healthcare campuses.

Data Center Connectivity

Reliable Infrastructure Expansion

Data centers frequently utilize fiber connectivity between server rooms, distribution switches, storage systems, disaster recovery facilities, and backup locations. The GLC-BX40-DA-I provides dependable Gigabit Ethernet communication supporting stable data movement across enterprise infrastructure.

Disaster Recovery Connectivity

Organizations implementing disaster recovery strategies often establish geographically separated backup facilities. Forty-kilometer transmission capability enables resilient optical communication supporting replication, backup synchronization, and business continuity planning.

Network Reliability Features

High Manufacturing Quality

Cisco optical transceivers undergo rigorous manufacturing processes emphasizing optical precision, mechanical durability, and electrical reliability. Strict quality control procedures ensure consistent product performance throughout operational life cycles.

Environmental Stability

The module maintains stable optical performance across specified operating temperature ranges commonly encountered in enterprise networking environments. Consistent transmitter output and receiver sensitivity reduce operational risks associated with fluctuating environmental conditions.

Long Operational Life

Premium laser technology and carefully selected electronic components contribute to extended service life, reducing replacement frequency and lowering total ownership costs over time.

Network Security Through Optical Infrastructure

Reduced Electromagnetic Exposure

Fiber optic communication is naturally immune to electromagnetic interference, making optical infrastructure highly suitable for environments containing heavy electrical equipment, industrial machinery, or high-voltage installations.

Optical communication also provides enhanced resistance to signal interception compared with conventional copper cabling, supporting secure enterprise networking strategies.

Deployment Flexibility

Simple Installation Process

The standardized SFP form factor allows quick installation into compatible Cisco networking devices. Administrators simply insert the transceiver into the designated SFP slot and connect the LC fiber cable for immediate operation after device recognition.

Efficient Network Upgrades

Organizations modernizing legacy infrastructure can deploy the GLC-BX40-DA-I incrementally without replacing entire switching platforms. Modular optical upgrades simplify migration strategies while controlling project costs.

Performance Optimization

Low Power Consumption

Efficient electronic circuitry minimizes energy consumption while maintaining consistent optical output. Lower power requirements reduce thermal generation inside networking equipment, supporting improved hardware longevity and operational efficiency.

Consistent Optical Signal Quality

Precision optical calibration ensures reliable transmitter output and receiver sensitivity throughout continuous operation. Stable communication minimizes retransmissions while maintaining predictable network performance.

Technical Characteristics

Optical Transmission Specifications

The GLC-BX40-DA-I operates using 1490nm transmit and 1310nm receive wavelengths specifically engineered for bidirectional single-mode fiber communication. Optical power levels are optimized for stable transmission over distances reaching forty kilometers while maintaining compliance with Gigabit Ethernet optical standards.

Mechanical Design

The compact Small Form-Factor Pluggable enclosure allows high-density deployment across enterprise switches and routers. Precision engineering ensures secure electrical contact, consistent optical alignment, efficient heat dissipation, and reliable long-term operation within demanding networking environments.

Scalable Enterprise Networking Solutions

Supporting Digital Transformation

Modern organizations increasingly rely on cloud computing, unified communications, remote collaboration, virtualization, centralized storage, artificial intelligence platforms, and real-time analytics. Reliable Gigabit fiber connectivity remains an essential component supporting these digital initiatives. The Cisco GLC-BX40-DA-I delivers dependable optical networking capable of supporting evolving business requirements while maximizing existing fiber infrastructure investments.

Its combination of single-mode fiber compatibility, bidirectional communication, forty-kilometer transmission capability, compact SFP design, Cisco platform compatibility, reliable Gigabit Ethernet performance, and enterprise-grade manufacturing quality makes the GLC-BX40-DA-I an ideal optical transceiver solution for organizations requiring efficient, scalable, and dependable long-distance fiber connectivity across modern enterprise networks.