ExtremeSwitching™ 5520-24T Universal Edge Switch

1. Product Overview

The ExtremeSwitching 5520-24T is a high-performance, fixed-form switch designed for enterprise edge and aggregation deployments. As part of the versatile 5520 Series, this model offers 24 Gigabit Ethernet ports, advanced security features, and flexible management options. It supports a dual-persona architecture, allowing users to run either ExtremeXOS or VOSS operating systems, making it adaptable to various network environments. These switches are built to deliver reliable, secure, and scalable connectivity for modern digital enterprises.

2. Key Features

• 24 x 10/100/1000BASE-T ports with auto-sensing and MACsec support
• Dual-persona OS support (ExtremeXOS or VOSS)
• 1 x VIM slot for flexible uplink modules (10Gb/25Gb)
• 2 x QSFP28 stacking/uplink ports (unpopulated)
• Redundant, hot-swappable power supplies and fans
• 30W/60W/90W PoE support (on PoE models)
• Up to 8-unit stacking with 160Gb bandwidth
• Integrated with ExtremeCloud IQ for cloud or on-prem management
• Layer 2/3 Fabric services for secure segmentation
• Extended Edge Switching support for V300/V400 series devices

3. Core Technologies

The 5520-24T leverages advanced technologies including IEEE 802.3bt PoE, MACsec encryption, Fabric Connect, and Energy Efficient Ethernet (IEEE 802.3az). It supports high-speed stacking via QSFP28 ports and offers versatile uplink options through VIM modules. These Extreme switches are designed to provide non-blocking, wire-speed performance with robust security and automation capabilities.

4. How It Works

The 5520-24T operates as a fully managed Layer 2/3 switch. It can be configured via CLI, web GUI, or through ExtremeCloud IQ for zero-touch provisioning. The switch uses hardware-based forwarding engines to ensure low latency and high throughput. It supports virtualized network services, policy-based routing, and automated fabric attachments, simplifying network operations and enhancing security.

5. Applications

Ideal for enterprise edge, campus aggregation, and wiring closet deployments. Commonly used in:

• Corporate and educational campuses
• Healthcare networks
• Retail and hospitality environments
• IoT and smart building infrastructure
• Wireless LAN backbone for AP connectivity

6. Specifications

7. Advantages

The 5520-24T stands out with its universal hardware design, dual-OS flexibility, and robust feature set. Compared to previous generations, it offers higher PoE budgets, better stacking performance, and enhanced security with MACsec. These switches from Extreme are ideal for organizations seeking future-proof, scalable, and easily manageable networking solutions.

8. Service & Support

All 5520 Series switches come with a 1-year ExtremeCloud IQ Pilot subscription and are covered under Extreme’s Limited Lifetime Warranty. We offer 24/7 technical support, advanced replacement services, and global logistics. Our team provides pre-sales consultation, post-sales troubleshooting, and integration services to ensure seamless deployment.

9. Frequently Asked Questions

Q: Can I change the OS after deployment?
A: Yes, the OS persona can be selected at boot or changed later via CLI or cloud provisioning.

Q: Does the 5520-24T support PoE?
A: The 5520-24T does not support PoE. For PoE, consider the 5520-24W or 5520-48W models.

Q: What is the maximum stacking bandwidth?
A: Up to 160Gb with EXOS using QSFP28 ports.

Q: Is MACsec included?
A> MACsec requires a separate license for full functionality.

Q: Can I use third-party optics?
A: Supported optics are listed in the Extreme Optics Compatibility Tool. Use of unsupported optics may void warranty.

10. Precautions

• Use only certified power supplies and modules.
• Ensure proper ventilation and operating temperature.
• Verify compatibility with existing network infrastructure.
• Follow local EMC and safety regulations during installation.
• Regular firmware updates are recommended for security and performance.

11. Company Introduction

With over 10 years of industry experience, we operate a large factory supported by a strong technical team. We have served a wide range of customers and offer competitive pricing on high-quality networking products. Our portfolio includes brands such as Mellanox, Ruckus, Aruba, and Extreme. We stock over 10 million units, including network switches, adapters, wireless APs, controllers, and cables. Our professional sales and technical support teams are available 24/7 to ensure customer satisfaction and timely delivery.