J9990-61001 HPE 5400R Zl2 20Port 10/100/1000base-T PoE / 4-Port 1G/10GBE Sfp Macsec V3 Zl2 Expansion Module

HPE 5400R 20-Port POE and 4-Port  Expansion Module

The HPE J9990-61001 5400R zl2 20-Port 10/100/1000Base-T POE + 4-Port 1G/10GbE SFP+ MAC sec v3 zl2 expansion module is a high-performance networking component designed to enhance switch capacity, security, and connectivity flexibility. Manufactured by, It is engineered for enterprise-grade switching environments requiring scalable wired infrastructure.

General Information

• Brand: HPE
• Part Number: J9990-61001
• Device Type: Expansion Module

Technical Specifications

• Form Factor: Plug-in expansion module
• Designed for HPE 5400R zl2 switch series
• 20 × Gigabit Ethernet (10/100/1000Base-T) PoE+ RJ-45 ports
• 4 × SFP+ ports supporting 1GbE and 10GbE connectivity
• Wired connectivity technology for stable enterprise networking

Supported Protocols & Standards

• 10 Mbps Ethernet LAN
• 100 Mbps Fast Ethernet
• 1 Gbps Gigabit Ethernet
• 10 Gbps 10 Gigabit Ethernet

Speed and Throughput

• Maximum data transfer rate: up to 10 Gbps via SFP+ uplinks
• High-speed switching for enterprise workloads

Downlink Ports

• 20 × 1000Base-T RJ-45 PoE+ ports

Uplink Ports

• 4 × SFP+ ports supporting 1G/10G Ethernet modules

HPE J9990-61001 5400R POE Expansion Module Overview

The HPE J9990-61001 5400R zl2 20-Port 10/100/1000Base-T POE and 4-Port 1G/10GbE SFP Mac sec V3 zl2 Expansion Module represents a high-performance enterprise-grade networking expansion component designed for modular switching architectures within Hewlett Packard Enterprise networking ecosystems. Engineered for integration into the 5400R zl2 chassis series, this expansion module extends the capabilities of core switching platforms by delivering a hybrid combination of copper-based Gigabit Ethernet access ports and high-speed fiber uplink interfaces. The module is designed to support modern enterprise workloads that demand secure, scalable, and high-throughput network infrastructure.

This category of modular expansion networking hardware is essential for organizations that require flexible port density scaling, advanced security features such as MACsec encryption, and seamless integration with existing zl2-based infrastructure. The architecture enables network administrators to evolve their switching environment without replacing entire chassis systems, thereby maximizing infrastructure longevity and reducing operational costs.

Advanced Modular Networking Architecture for Enterprise Scalability

The HPE J9990-61001 module is built around the concept of modular expansion within the zl2 switching ecosystem. This architecture allows enterprises to customize network configurations by adding or replacing modules based on evolving business needs. The modular design ensures that organizations can scale both access-layer and distribution-layer connectivity without disrupting existing network operations or requiring full system replacements.

Chassis-Based Integration in HPE 5400R zl2 Systems

Integration into the HPE 5400R zl2 chassis enables the module to operate as part of a unified switching system. The chassis backplane provides high-speed interconnectivity between modules, ensuring that traffic is routed efficiently without external cabling dependencies. This internal fabric design reduces latency and enhances overall network throughput, making it suitable for enterprise environments where performance consistency is critical.

Backplane Switching Fabric Optimization

The switching fabric within the chassis is designed to handle high-volume data transfers between modules with minimal latency. This ensures that traffic originating from copper-based Gigabit Ethernet ports can be efficiently routed to high-speed SFP uplinks or other modules within the system. The architecture eliminates traditional bottlenecks found in standalone switch deployments.

Non-Blocking Architecture Behavior

The module benefits from a non-blocking switching architecture that ensures all ports can operate at full capacity simultaneously under ideal conditions. This is particularly important in enterprise deployments where simultaneous data transfers from multiple endpoints are common.

20-Port 10/100/1000Base-T PoE Access Layer Connectivity

The 20-port 10/100/1000Base-T PoE section of the module provides robust copper-based Ethernet connectivity for a wide range of enterprise devices. These ports support auto-negotiation and backward compatibility with legacy Ethernet standards, allowing seamless integration with existing infrastructure. The inclusion of Power over Ethernet capability enables both data and electrical power to be delivered over a single Ethernet cable.

Power over Ethernet Integration for Enterprise Devices

PoE functionality within this module supports powering a wide range of devices including IP phones, wireless access points, security cameras, and IoT sensors. This reduces the need for separate power infrastructure, simplifying deployment and reducing installation complexity across enterprise environments.

Centralized Power Distribution Management

Power delivery is managed centrally through the switch chassis, allowing administrators to allocate and monitor power consumption across all connected PoE devices. This ensures efficient energy usage and prevents overload conditions within the system.

Dynamic Power Allocation Intelligence

The module intelligently allocates power based on device requirements, ensuring that high-priority devices receive adequate power while maintaining overall system stability. This dynamic allocation supports mixed-device environments with varying power demands.

4-Port 1G/10GbE SFP High-Speed Uplink Connectivity

The inclusion of 4 SFP ports supporting both 1GbE and 10GbE speeds provides high-performance uplink connectivity for aggregation and core network integration. These fiber-based interfaces are essential for connecting the module to upstream switches, data centers, or high-speed backbone networks.

Flexible Fiber Optic Network Integration

SFP-based interfaces allow the use of interchangeable transceiver modules, enabling support for different fiber types and distances. This flexibility makes the module suitable for both short-range intra-building connections and long-distance inter-building deployments.

10 Gigabit Ethernet Backbone Support

The 10GbE capability ensures that the module can handle high-volume data aggregation without congestion, making it ideal for enterprise core and distribution layer deployments where bandwidth demand is high.

Link Aggregation and Redundancy Capabilities

The SFP ports support advanced networking features such as link aggregation, allowing multiple uplinks to be combined for increased bandwidth and redundancy. This ensures continuous network availability even in the event of a link failure.

Hardware-Based Encryption Architecture

MACsec is implemented at the hardware level, ensuring that encryption and decryption processes do not introduce significant performance overhead. This allows the module to maintain high throughput while securing sensitive data transmissions.

Secure Communication Between Network Nodes

MACsec ensures that communication between connected devices and upstream switches remains encrypted, protecting against unauthorized access and man-in-the-middle attacks. This is especially important in industries with strict compliance requirements.

Low Latency Switching Performance

The internal switching architecture is designed to minimize latency, ensuring rapid packet forwarding between ports. This is particularly important for real-time applications such as voice communication, video conferencing, and financial transaction systems.

Quality of Service Traffic Prioritization

Quality of Service capabilities allow administrators to prioritize critical network traffic, ensuring that mission-critical applications receive sufficient bandwidth even during peak usage periods.

Application-Aware Traffic Management

The module supports intelligent traffic classification, enabling network policies that differentiate between application types and assign appropriate priority levels.

Enterprise Deployment Scenarios and Infrastructure Integration

The HPE J9990-61001 expansion module is suitable for a wide range of enterprise deployment scenarios, including campus networks, data centers, and secure enterprise branch environments. Its combination of PoE access ports and high-speed uplinks makes it versatile across different layers of network architecture.

Campus Network Aggregation Layer Deployment

In campus environments, the module functions as a key aggregation layer component, connecting multiple access switches and endpoint devices to centralized network infrastructure.

Port-Level Security Enforcement

Each port can be individually configured with security policies that restrict unauthorized device access and enforce authentication requirements.

Network Segmentation and Isolation Controls

Segmentation capabilities allow administrators to isolate traffic between departments or network zones, enhancing security and reducing broadcast domain size.