JL781A HPE Aruba SFP LC 1310nm 10km SMF 1GBPS Transceiver Module

HPE JL781A Aruba 1000Base-LX SFP LC  SMF Transceiver Module

JL781A is an HPE Aruba Networking 1G Industrial-Temperature SFP LC LX transceiver designed for Gigabit Ethernet connections over single-mode fiber. It supports data transmission at 1 Gbps with a maximum distance of up to 10 km using an LC connector and a 1310 nm wavelength. The module is built to operate reliably in harsh industrial environments with an extended temperature range, making it suitable for factories, outdoor installations, and other demanding networking applications. It provides stable, high-performance optical connectivity and is compatible with supported HPE Aruba networking devices

General Information

• Manufacturer: HPE
• Part Number: JL781A
• Device Type: Optical Transceiver

Technical Specifications

• Port Type: SFP slot
• Connector: LC duplex
• Cable Category: Fiber optic
• Fiber Type: Single-Mode Fiber
• Transmission Standard: 1000BASE-LX
• Data Rate: 1 Gigabit per second
• Operating Wavelength: 1310 nm
• Reach: Up to 10 kilometers

Physical Details

Weight

• Imperial: 0.1 lb
• Metric: 18.1 g

Dimensions

• Imperial: 0.5 × 0.6 × 0.2 in
• Metric: 1.3 × 1.5 × 0.5 cm

Compatibility

Deployment Scenarios

• Enterprise-grade Gigabit Ethernet switching
• Data center interconnectivity
• Campus and industrial networking solutions

Supported Devices

• Aruba CX Series switches
• Other Aruba platforms with 1G SFP slots

Overview HPE JL781A 1000Base-LX -LX SFP Transceiver Module

The HPE JL781A Aruba 1GBPS Industrial-Temperature 1000Base-LX SFP LC 1310nm 10km SMF Transceiver Module is a high-performance optical networking solution engineered by Hewlett Packard Enterprise. Designed for enterprise-grade connectivity, this transceiver provides reliable Gigabit Ethernet transmission over single-mode fiber, ensuring stable communication across extended distances up to 10 kilometers. Its industrial-temperature rating makes it suitable for deployment in demanding environments where durability and resilience are critical.

Ethernet Standard

This transceiver supports the 1000BASE-LX Ethernet standard, which is optimized for long-distance communication over single-mode fiber. The LX standard ensures efficient data transmission at 1 Gbps, making it suitable for enterprise backbones and data center interconnects.

Maximum Data Rate

The JL781A module delivers a maximum data rate of 1 Gbps, ensuring smooth and consistent performance for high-bandwidth applications. This makes it ideal for environments requiring reliable throughput, such as enterprise networks, campus backbones, and industrial automation systems.

Fiber Type and Wavelength

The transceiver operates over single-mode fiber utilizing an optical wavelength of 1310 nm. This wavelength is widely used in networking applications due to its efficiency and ability to minimize signal attenuation over long distances.

Transmission Distance

The JL781A supports transmission distances of up to 10 kilometers, making it suitable for metropolitan area networks, large campuses, and industrial sites. Its ability to maintain stable connectivity across extended distances ensures uninterrupted communication between distributed network nodes.

Connector Type and Interface

The module uses a duplex LC connector, which is a standard interface for optical transceivers. It connects via a single SFP slot, ensuring compatibility with Aruba switches and other HPE networking devices that support SFP modules.

Hot-Pluggable Design

The JL781A is hot-pluggable, allowing network administrators to install or replace the module without shutting down the system. This feature enhances operational efficiency and reduces downtime during maintenance or upgrades.

Enterprise Networking

In enterprise environments, the JL781A transceiver provides reliable Gigabit Ethernet connectivity for core switches, aggregation layers, and distribution networks. Its long-distance capability ensures seamless communication between different buildings or departments within a campus.

Data Centers

Data centers benefit from the JL781A’s ability to deliver stable high-speed connections across racks and facilities. Its compatibility with Aruba switches makes it a valuable component in building scalable and resilient data center infrastructures.

Industrial Deployments

With its industrial-temperature rating, the JL781A is suitable for harsh environments such as manufacturing plants, outdoor installations, and energy facilities. It ensures consistent performance even under extreme temperature variations.

Telecommunications

Telecom providers can leverage the JL781A for metropolitan area networks and long-distance fiber connections. Its 10 km reach supports efficient service delivery across urban and suburban regions.

Compliance and Standards

The JL781A adheres to RoHS, WEEE, and REACH standards, ensuring environmentally responsible manufacturing and disposal. This compliance highlights HPE’s commitment to sustainability and eco-friendly practices.

Form Factor

The transceiver follows the standard SFP form factor, ensuring compatibility with a wide range of networking equipment. Its compact design allows efficient use of switch ports while maintaining high performance.

Aruba Switch Integration

The JL781A module is fully compatible with Aruba CX Series switches, Aruba 2530, 2540, 2930F, 2930M, 3810, 5400R zl2, and 6200 Series switches. This broad compatibility ensures seamless deployment across diverse enterprise infrastructures.

Cross-Platform Support

Beyond Aruba switches, the JL781A can be integrated into other HPE networking devices that support 1000BASE-LX SFP modules. This flexibility makes it a versatile solution for organizations with mixed networking environments.

Reliability

The JL781A is engineered for consistent performance, ensuring minimal packet loss and stable throughput. Its industrial-grade design enhances durability, making it suitable for mission-critical applications.

Scalability

Organizations can scale their networks efficiently by deploying JL781A modules across multiple switches. Its compatibility with Aruba’s modular architecture supports future expansion without requiring major infrastructure changes.

Energy Efficiency

The transceiver is designed to optimize power consumption, reducing operational costs while maintaining high performance. This efficiency aligns with modern sustainability goals in enterprise IT.

Campus Networks

In large educational institutions, the JL781A ensures reliable connectivity between different departments and buildings. Its long-distance capability supports seamless communication across sprawling campuses.

Healthcare Facilities

Hospitals and healthcare centers require stable and secure networking solutions. The JL781A provides dependable Gigabit Ethernet connections for medical systems, patient records, and administrative operations.

Government and Defense

Government agencies and defense organizations benefit from the JL781A’s secure and resilient design. Its industrial-temperature rating ensures reliable performance in mission-critical environments.

Support for Evolving Standards

The JL781A is designed to support current Gigabit Ethernet standards while maintaining compatibility with future upgrades. Its modular design allows organizations to adapt to evolving networking requirements without costly overhauls.

Integration with Aruba Ecosystem

As part of the Aruba ecosystem, the JL781A integrates seamlessly with Aruba’s advanced networking solutions, including security, wireless, and cloud-based management platforms. This integration enhances overall network efficiency and reliability.

Final Technical Note

By deploying the JL781A transceiver, organizations can achieve reliable, scalable, and energy-efficient networking solutions. Its design reflects HPE’s commitment to innovation, sustainability, and enterprise-grade performance, making it a cornerstone of modern optical networking infrastructure.