Extreme Networks 5520-48SE Universal Switch
The Extreme Networks 5520-48SE is a high-performance universal switch engineered for enterprises requiring secure, scalable edge and aggregation connectivity. This 48-port switch delivers 1000BASE-X SFP MACsec-capable ports with advanced fabric-enabled operations, making it ideal for organizations deploying next-generation digital infrastructure across wiring closets, access layers, and aggregation points. Built for security-first deployments, the 5520-48SE combines flexible uplink options with end-to-end network segmentation capabilities, supporting PoE options and advanced policy controls for modern enterprise environments.
Key Features
- 48 x 1000BASE-X SFP MACsec-capable ports for secure access connectivity
- 2 x Stacking QSFP28 ports for high-speed fabric interconnection
- 1 unpopulated VIM slot for flexible module expansion
- Universal switch architecture supporting edge, aggregation, and wiring-closet deployment
- End-to-end secure network segmentation with MACsec encryption
- Advanced policy capabilities for granular traffic control
- PoE power delivery options across the 5520 Series
- Fabric-enabled operations for simplified management and orchestration
- TAA-compliant for government and regulated procurement
Technical Specifications
| Specification |
Details |
| Manufacturer |
Extreme Networks Inc |
| Part Number |
5520-48SE-BASE-TAA |
| Product Series |
5520 Series |
| Port Configuration |
48 x 1000BASE-X SFP ports |
| Uplink Ports |
2 x QSFP28 stacking ports |
| Expansion Slots |
1 x unpopulated VIM slot |
| Security Features |
MACsec-capable, network segmentation |
| Switch Type |
Universal edge and aggregation switch |
| Compliance |
TAA (Trade Agreements Act) |
Frequently Asked Questions
What is a universal switch and how does the 5520-48SE differ from traditional switches?
A universal switch like the 5520-48SE is designed to operate effectively at multiple network layers—edge, aggregation, and core—with flexible port configurations. Unlike traditional fixed-function switches, the 5520-48SE combines 48 SFP ports with QSFP28 uplinks and expansion capabilities, allowing deployment flexibility across diverse enterprise environments while maintaining consistent policy and security controls.
How does MACsec enhance network security on the 5520-48SE?
MACsec (Media Access Control Security) on the 5520-48SE provides Layer 2 encryption and authentication, protecting data frames from interception and tampering. This capability enables end-to-end secure network segmentation, ensuring that sensitive traffic remains encrypted even within internal network segments—critical for compliance-heavy industries and zero-trust security architectures.
What are QSFP28 stacking ports and why are they important?
The 2 x QSFP28 stacking ports on the 5520-48SE enable high-speed interconnection between multiple switches, creating a unified fabric. This allows administrators to manage multiple physical switches as a single logical entity, simplifying operations, improving redundancy, and enabling seamless bandwidth aggregation for uplink and inter-switch traffic.
Is the Extreme Networks 5520-48SE suitable for government procurement?
Yes, the 5520-48SE-BASE-TAA designation confirms TAA (Trade Agreements Act) compliance, making it eligible for U.S. federal government and regulated sector procurement. This certification ensures the product meets domestic sourcing and security requirements for sensitive deployments.
