Extreme Networks 5520 48-Port PoE Layer 3 Managed Switch

Overview

The Extreme Networks 5520-48W is a high-performance managed Layer 3 switch designed for enterprise networks that require robust power and advanced routing capabilities. It features 48 Gigabit Ethernet ports with Power over Ethernet (PoE) delivering up to 90 watts per port, enabling direct power supply to devices like wireless access points, IP cameras, and smart lighting without additional power adapters. With flexible uplink options supporting 10Gb and 25Gb speeds, this switch ensures high-bandwidth connectivity to core network components, making it well suited for office buildings, campuses, and retail environments.

Its modular design allows for two power supply units and interface modules, providing scalability and redundancy to adapt to growing network demands. The rack-mountable form factor and stacking capability up to 160Gb bandwidth make it a practical choice for data closets and network edges where space and performance are essential.

Key features

• Power over Ethernet support up to 90 watts per port simplifies device installation by eliminating separate power sources.
• Layer 3 managed switching enables advanced routing, network segmentation, and improved traffic control for enhanced security and efficiency.
• Modular design with dual power supply slots offers redundancy and scalability to maintain uptime and accommodate network growth.
• High-speed uplink options at 10Gb and 25Gb provide flexible, high-bandwidth connections to servers and core switches.
• Stacking capability with up to 160Gb bandwidth streamlines management by allowing multiple switches to operate as a single unit.

Key specs

• Ports: 48 Gigabit Ethernet with PoE support
• PoE power: up to 90 watts per port
• Switch type: Layer 3 managed
• Uplink speeds: 10Gb and 25Gb
• Stacking bandwidth: up to 160Gb
• Power supply: supports two modular units for redundancy
• Form factor: rack-mountable

Connectivity and compatibility

This switch offers extensive connectivity options to integrate seamlessly into enterprise networks. The 48 Gigabit Ethernet ports support PoE devices, reducing cable clutter and power management complexity. Uplink ports with 10Gb and 25Gb speeds ensure compatibility with high-performance servers and core switches, supporting demanding data traffic and future network upgrades.

• 48 Gigabit Ethernet ports with PoE for powering network devices directly
• 10Gb and 25Gb uplink ports for high-speed data transfer
• Stacking support to combine multiple switches into a single manageable unit

Ideal uses and environments

The 5520-48W fits well in enterprise environments that require reliable power delivery and advanced network management. It is a strong choice for office buildings, educational campuses, and retail locations where powering multiple network devices through PoE simplifies infrastructure. Its Layer 3 capabilities and modular design make it suitable for network edges and data closets that demand scalability, redundancy, and high throughput.