J9991A HPE Aruba Networking 20p 10/100/1000BASE‑T PoE+ 4p 1/2.5/5/10GBASE‑T PoE+

Product shows a 4-port SFP expansion module for Aruba switch platforms, featuring 4 SFP ports, status LEDs, a silver metal casing, and a faceplate for rack-mountable installation*

• 4-Port Fiber Expansion: Provides 4 additional SFP ports for compatible Aruba switch platforms, significantly expanding fiber connectivity capacity without requiring a new switch chassis
• Hot-Swappable Module Design: Field-replaceable module supports true hot-swapping without chassis power-down or network disruption, enabling maintenance and upgrades during normal operations
• 100M/1G Dual-Speed Support: Supports both 100BASE-FX and 1000BASE-X SFP optics, providing flexible deployment across different speed requirements and legacy infrastructure
• Plug-and-Play Operation: Simple installation with automatic configuration upon insertion; no software configuration required for basic operation
• Broad Platform Compatibility: Compatible with select Aruba switch platforms including 5400R, 3810, and 2930 series switches requiring port expansion modules

The J9990A is a 4-port SFP Gigabit Ethernet expansion module for HPE Aruba networking switches. This field-replaceable module installs into compatible Aruba switch platforms, providing 4 additional SFP ports for fiber connectivity. It is designed for organizations that need to expand the fiber port density of existing Aruba switches without purchasing new chassis or switches.

The module supports both 100M and 1G SFP optics, providing deployment flexibility for various fiber types and distances. For short-distance connections, multimode fiber SX optics (850nm) can be used for distances up to 550m. For long-distance connections, single-mode fiber LX optics (1310nm) can be used for distances up to 10km, or extended-range optics for up to 70km. The module also supports copper SFP transceivers for Category 5e/6 UTP cabling up to 100m.

The J9990A is hot-swappable, allowing installation or replacement without powering down the host switch. It supports plug-and-play operation with automatic configuration upon insertion, simplifying deployment and minimizing network disruption. The module features a compact form factor with a front-panel faceplate that integrates seamlessly with the host switch chassis.

The J9990A provides 4 additional SFP ports for compatible Aruba switch platforms, significantly expanding fiber connectivity capacity without requiring a new switch chassis. This cost-effective expansion option preserves existing switch investments while adding necessary port density.

The field-replaceable module supports true hot-swapping without chassis power-down or network disruption. This enables installation, replacement, or upgrade of modules during normal network operations, eliminating downtime for maintenance and ensuring continuous network availability.

Supports both 100M and 1G SFP optics, providing flexible deployment across different speed requirements. Organizations can use 100M optics for legacy device connections or 1G optics for high-performance applications, all within the same module.

The module supports a wide range of SFP optics including 100BASE-FX for 100M fiber, 1000BASE-SX for multimode fiber short-distance, 1000BASE-LX for single-mode fiber long-distance, and 1000BASE-T for copper Category 5e/6 UTP cabling.

Simple installation with automatic configuration upon insertion; no software configuration is required for basic operation. The module is automatically recognized by the host switch, and ports are immediately available for use, simplifying deployment and reducing configuration errors.

The module features a front-panel faceplate design that integrates seamlessly with the host switch chassis. The physical dimensions, color, and styling match the host switch, maintaining a professional appearance in rack-mountable deployments.

Ideal for expanding fiber port capacity on existing Aruba switches when additional fiber connections are needed for new network devices, building connections, or uplinks.

Perfect for environments requiring both copper and fiber connections from the same switch, allowing fiber runs to remote locations while maintaining copper connections for local devices.

Suitable for organizations gradually migrating from copper to fiber infrastructure, adding fiber capacity as needed without replacing existing switches.

Can be used to add fiber ports for connecting to remote buildings or wiring closets, providing the necessary fiber interfaces for long-distance connectivity.

Ideal for environments with mix of 100M and 1G devices, supporting legacy 100M fiber optics for older equipment while providing 1G for newer devices.

Perfect for maintaining spare modules for rapid replacement in enterprise network environments, ensuring quick recovery from module failures.