ExtremeSwitching™ 5520-48T Universal Edge Switch

The ExtremeSwitching 5520-48T is a high-performance, fixed-form switch designed for enterprise edge and aggregation deployments. It delivers robust connectivity, advanced security features, and flexible management options, making it an ideal solution for modern digital enterprises. This switch supports a range of Extreme operating systems and offers seamless integration into existing network infrastructures.

1. Product Overview

The ExtremeSwitching 5520-48T is a 48-port Gigabit Ethernet switch with MACsec encryption, redundant power support, and stacking capabilities. It is part of the versatile 5520 series, which supports both ExtremeXOS and VOSS operating systems. Designed for reliability and scalability, this switch is suitable for demanding network environments.

2. Key Features

• 48 x 10/100/1000BASE-T ports with auto-sensing and MACsec support
• Dual persona OS support: ExtremeXOS or VOSS
• Hot-swappable, redundant power supplies and fans
• Up to 160Gb stacking with EXOS
• 30W/60W/90W PoE options (on PoE models)
• Fabric Connect and IP Fabric support
• Cloud management via ExtremeCloud IQ
• Extended Edge Switching for V300/V400 series integration

3. Core Technologies

The 5520-48T leverages industry-standard protocols including IEEE 802.3ab, 802.3bt (PoE), 802.3ae (10GbE), and 802.1AE (MACsec). It supports advanced fabric technologies like Fabric Connect (VOSS) and IP Fabric (ExtremeXOS) for automated and secure network segmentation.

4. How It Works

The switch operates at Layer 2 and Layer 3, providing wire-speed forwarding and advanced routing capabilities. It can be configured via CLI, web GUI, or cloud management platforms. The dual-persona firmware allows users to select the optimal OS for their network strategy during boot or via pre-provisioning in ExtremeCloud IQ.

5. Applications

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

• Corporate networks
• Educational campuses
• Healthcare facilities
• Retail and hospitality environments
• IoT and smart building infrastructure

6. Specifications

7. Advantages

• Universal hardware with dual-OS flexibility
• High availability with redundant power and cooling
• Advanced security with MACsec encryption
• Cloud-native management with ExtremeCloud IQ
• Superior scalability with fabric and stacking support

8. Service & Support

All Extreme 5520 switches come with a 1-year ExtremeCloud IQ Pilot subscription. Warranty coverage includes Extreme’s Universal Limited Lifetime Warranty. Professional services including 24/7 technical support, advanced replacement, and on-site assistance are available.

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 5520-48T support PoE?
A: No, the 5520-48T is a non-PoE model. For PoE, consider the 5520-48W or 5520-24W.

Q: What is the maximum stacking bandwidth?
A: Up to 160Gb when using EXOS and qualified QSFP+ cables.

Q: Is MACsec included?
A: MACsec capability is hardware-supported but requires a separate license for activation.

10. Precautions

• Ensure compatible power supply units are used for redundancy.
• Use certified optics and cables for guaranteed performance.
• Operating temperature: 0°C to 50°C; humidity 10% to 95% non-condensing.
• Comply with local EMC and safety regulations.
• For stacking, use only qualified QSFP+ direct attach cables or transceivers.

11. Company Introduction

With over a decade of industry experience, we operate a large-scale facility supported by a strong technical team. We have built a vast customer base and offer competitive pricing on top-tier networking products. Our portfolio includes leading brands such as Mellanox, Ruckus, Aruba, and Extreme. We supply original new switches, network adapters, wireless access points, controllers, and cables from a multi-million dollar inventory. Our professional sales and technical support teams are available 24/7 to ensure customer satisfaction and reliable service.