1990-4891 HPE Aruba 1000base-LX SFP Transceiver Module

HPE Aruba 1000base-LX SFP Transceiver Module

The HPE Aruba 1000BASE-LX SFP Transceiver Module (Part Number: 1990-4891) is a compact plug-in solution designed to deliver dependable gigabit-speed connectivity across extended distances, making it ideal for enterprise networking environments.

General Information

• Manufacturer: Hewlett Packard Enterprise
• Model Number: 1990-4891
• Device Type: SFP (Mini-GBIC) Transceiver Module
• Form Factor: Plug-in Module

Technical Specifications

Networking Features

• Connectivity Technology: Wired
• Cable Standard: 1000BASE-LX
• Supported Protocol: Gigabit Ethernet (GigE)
• Data Transfer Speed: 1 Gigabit per second
• Maximum Transmission Distance: 6.2 miles (10 kilometers)

Expansion & Connectivity

• Interface: 1 x Ethernet 1000BASE-LX
• Connector Type: LC Single-mode

Key Benefits

Performance Advantages

• Reliable gigabit-speed data transmission
• Extended reach suitable for large-scale networks
• Optimized for enterprise-grade performance

Compatibility Highlights

• Seamless integration with HPE Aruba systems
• Supports single-mode fiber for long-distance connectivity
• Designed for scalable and flexible infrastructure

Enterprise-Grade Fiber Optic Networking Components

The HPE 1990-4891 Aruba 1000base-LX SFP Single-Mode Fiber 10km LC Connector Transceiver Module belongs to a specialized category of enterprise networking transceivers designed to support high-performance, long-distance optical communication across modern IT infrastructures. This category focuses on Small Form-factor Pluggable modules that deliver Gigabit Ethernet connectivity over single-mode fiber, enabling organizations to build scalable, reliable, and future-ready network backbones. These components are essential for environments that require consistent data throughput, low signal loss, and compatibility with professional-grade network switches and routers.

Within enterprise networking, fiber optic transceivers play a foundational role in connecting core switches, aggregation layers, and access devices across campuses, data centers, and metropolitan networks. The Aruba 1000base-LX SFP module exemplifies this category by supporting extended reach connectivity up to 10 kilometers, making it suitable for inter-building links, disaster recovery connections, and centralized data processing architectures. The category emphasizes reliability, standards compliance, and seamless interoperability with vendor-certified networking platforms.

Small Form-Factor Pluggable Transceiver Technology

Compact Design and Hot-Swappable Architecture

Small Form-Factor Pluggable transceivers are engineered to provide a compact and modular approach to optical networking. The HPE Aruba 1000base-LX SFP transceiver module reflects this category’s design philosophy by allowing network administrators to insert or remove the module without powering down the host device. This hot-swappable capability reduces maintenance downtime and supports rapid network reconfiguration as bandwidth demands evolve.

The physical design of SFP modules supports high port density on enterprise switches, enabling organizations to maximize connectivity while conserving rack space. This characteristic is particularly valuable in data centers and wiring closets where space efficiency and airflow management are critical. The category prioritizes durability and precision manufacturing to ensure stable optical performance over extended operational lifecycles.

Standards-Based Optical Communication

This category adheres strictly to IEEE 802.3 standards for Gigabit Ethernet over fiber. The 1000base-LX specification defines the wavelength, signaling method, and transmission distance required for reliable single-mode fiber communication. By aligning with industry standards, the Aruba transceiver category ensures interoperability with a wide range of compliant network equipment, protecting long-term infrastructure investments.

Standards compliance also simplifies network planning and troubleshooting. IT teams can deploy these transceivers with confidence, knowing that performance characteristics such as signal integrity, attenuation tolerance, and optical power levels meet globally recognized benchmarks.

Single-Mode Fiber Networking Solutions

Long-Distance Connectivity Capabilities

Single-mode fiber transceivers are designed for extended reach communication, making them a cornerstone of enterprise and service provider networks. The Aruba 1000base-LX SFP module category supports transmission distances of up to 10 kilometers, enabling reliable data transfer across large campuses, remote buildings, and geographically dispersed facilities.

This long-distance capability is achieved through the use of laser-based optical signaling optimized for single-mode fiber cores. Compared to multimode solutions, single-mode fiber offers significantly lower attenuation and reduced modal dispersion, which translates into consistent performance over longer spans. As organizations expand their physical footprint, this category provides the necessary optical foundation for scalable growth.

Optimized for Backbone and Aggregation Layers

Within network architecture, single-mode SFP transceivers are commonly deployed at the backbone and aggregation layers where stability and throughput are paramount. The Aruba 1000base-LX transceiver category is engineered to handle continuous data flows between core switches, supporting enterprise applications, cloud services, and centralized storage systems.

By enabling dependable long-haul links, this category supports network designs that centralize resources while maintaining high availability for distributed users. This architectural flexibility is essential for modern businesses that rely on real-time data access and unified communications.

LC Connector Interface and Optical Precision

High-Density LC Connector Design

The LC connector interface is a defining feature of this transceiver category, offering a compact and secure optical connection. LC connectors are widely adopted in enterprise environments due to their small footprint and precise alignment, which supports high port density and consistent signal transmission.

The Aruba 1000base-LX SFP module category leverages LC connectors to ensure compatibility with existing fiber infrastructure and patch panels. This standardization reduces deployment complexity and supports streamlined cable management practices across network installations.

Signal Integrity and Reduced Optical Loss

Optical precision is a critical consideration in fiber networking. This category emphasizes low insertion loss and high return loss characteristics to maintain signal integrity across extended distances. The use of LC connectors contributes to stable optical coupling, minimizing reflections and attenuation that could otherwise degrade network performance.

By maintaining precise optical alignment, these transceivers support error-free data transmission, which is essential for latency-sensitive applications and high-availability network services.

Compatibility with HPE Aruba Networking Ecosystems

Seamless Integration with Aruba Switches

The HPE Aruba transceiver category is specifically designed to integrate seamlessly with Aruba Ethernet switches and network platforms. This compatibility ensures that the Aruba 1000base-LX SFP module operates optimally within certified hardware environments, delivering predictable performance and simplified management.

Vendor-certified transceivers play a crucial role in maintaining network stability. By using modules validated by HPE Aruba, organizations can reduce the risk of interoperability issues and ensure full support from the manufacturer.

Energy Efficiency and Thermal Performance

Low Power Consumption Design

Energy efficiency is a key consideration in modern networking environments. The Aruba 1000base-LX SFP transceiver category is engineered to operate with low power consumption, reducing overall energy costs and supporting sustainable IT practices.

Lower power usage also contributes to reduced heat generation within network devices, which can extend hardware lifespan and improve system stability. This efficiency is particularly valuable in high-density deployments where thermal management is a constant concern.

Thermal Stability in Continuous Operation

Enterprise networks often operate continuously under varying workloads. This category emphasizes thermal stability to ensure consistent optical performance even in demanding conditions. Robust component selection and precise manufacturing processes help maintain stable operation across a wide temperature range.

By minimizing thermal fluctuations, these transceivers support uninterrupted connectivity and reduce the likelihood of performance degradation over time.

Alignment with Modern Enterprise Requirements

Modern enterprises demand networking solutions that support cloud integration, virtualization, and data-intensive workloads. This category aligns with these requirements by delivering stable Gigabit Ethernet connectivity over long distances, supporting distributed computing models and centralized data services.

The combination of reliability, efficiency, and compatibility positions this category as a strategic component in long-term network planning.