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AIR-CT5520-50-K9 New Cisco 5520 Wireless LAN Controller supporting 50 access points

MPN: AIR-CT5520-50-K9 | UPC: 0 882658838767 | CONDITION: New



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AIR-CT5520-50-K9 Cisco: Revolutionizing Wireless Network Management

The world of networking is constantly evolving, and staying ahead in this rapidly changing landscape requires powerful and efficient solutions. One such solution that has garnered significant attention is the AIR-CT5520-50-K9 Cisco wireless controller. In this article, we will explore the features, benefits, and deployment flexibility of this cutting-edge technology.


As organizations increasingly rely on wireless networks to connect devices, the need for robust and reliable network management solutions becomes paramount. The AIR-CT5520-50-K9 Cisco controller offers a comprehensive suite of features designed to streamline network operations and enhance performance. Let’s delve into the details.

Overview of AIR-CT5520-50-K9 Cisco

The AIR-CT5520-50-K9 Cisco controller is a high-performance wireless network controller that serves as a central hub for managing and controlling access points. It provides a seamless and secure connectivity experience for users while delivering exceptional performance, scalability, and enhanced security.

Technical Specifications of AIR-CT5520-50-K9

  • Device Type: Wireless LAN controller
  • Model: AIR-CT5520-50-K9
  • Interfaces: 2 x 10 Gigabit Ethernet interfaces or 2 x 1 Gigabit Ethernet interfaces, Small Form-Factor Pluggable Plus (SFP+) options (only Cisco SFP+s supported) including S-Class Optics, Small Form-Factor Pluggable (SFP) options (only Cisco SFPs supported) including S-Class Optics, 2 Gigabit Ethernet port (RJ-45), 1 x Cisco Integrated Management Controller port: 10/100/1000 Ethernet (RJ-45), 1 x console port: Serial port (RJ-45), LED indicators: Network Link, Diagnostics
  • Capacity: Supports up to 50 access points
  • Supported Wireless Standards: 802.11a/b/g/n/ac
  • Redundant Power Supply: Optional, for enhanced reliability and power redundancy
  • Integrated Wireless Security Features: WPA, WPA2, AES encryption, rogue access point detection, intrusion prevention, guest access controls
  • Scalability and Performance: Optimized for 20-Gbps throughput for up to 1500 access points and 20,000 clients – support for 4096 VLANs
  • Management: Web-based with HTTP/HTTPS, Command-line interface: Telnet, Secure Shell (SSH) Protocol, serial port and Cisco Prime Infrastructure
  • Operating Temperature: 0°C to 40°C (32°F to 104°F)
  • Dimensions: 31 x 19 x 1.7 – inches
  • Weight: 30 lbs with 1 power supply
  • Redundant Power Supply: AIR-PSU1-770W

Features and Benefits of AIR-CT5520-50-K9

High Performance

The AIR-CT5520-50-K9 Cisco controller boasts impressive performance capabilities, capable of supporting a large number of access points and clients simultaneously. Its advanced hardware architecture and optimized software ensure high-speed data transmission and efficient network operations.

Scalability with AIR-CT5520-50-K9

With the ability to support up to 1,500 access points, the AIR-CT5520-50-K9 Cisco controller offers unparalleled scalability. This makes it an ideal choice for organizations of all sizes, from small businesses to large enterprises. The controller’s scalability ensures that the network can expand effortlessly to accommodate growing demands.

Enhanced Security with AIR-CT5520-50-K9

Security is a top priority in any network infrastructure, and the AIR-CT5520-50-K9 Cisco controller delivers robust security features. It supports advanced encryption standards, such as WPA2 and AES, to protect sensitive data from unauthorized access. Additionally, it offers features like rogue access point detection and intrusion prevention, ensuring a secure wireless environment.

Deployment Flexibility of AIR-CT5520-50-K9

Wireless Connectivity

The AIR-CT5520-50-K9 Cisco controller provides seamless wireless connectivity, enabling users to connect to the network effortlessly. It supports various wireless standards, including the latest 802.11ac, delivering fast and reliable connections.

Centralized Management

Managing a network with multiple access points can be a daunting task. However, with the AIR-CT5520-50-K9 Cisco controller, organizations can centrally manage their access points from a single interface. This simplifies network administration, reduces complexity, and improves overall efficiency.

Integration of AIR-CT5520-50-K9 with Existing Infrastructure

The AIR-CT5520-50-K9 Cisco controller seamlessly integrates with existing network infrastructure, making it a versatile choice for organizations with established networking solutions. It works seamlessly with other Cisco devices, allowing for easy integration without significant disruptions.


The AIR-CT5520-50-K9 Cisco wireless controller offers a powerful and efficient solution for managing wireless networks. With its high performance, scalability, enhanced security, and deployment flexibility, organizations can stay ahead in the ever-evolving networking landscape. Embrace the power of the AIR-CT5520-50-K9 Cisco and unlock the true potential of your wireless network.

It offers flexibility to support multiple deployment modes in the same controller. There is a centralized mode for campus. Secondly we have Cisco FlexConnect mode for lean branches managed over the WAN. And finally, mesh (bridge) mode for deployments where full Ethernet cabling is not available.


FAQ 1: What is the range of the AIR-CT5520-50-K9 Cisco?

The range of the AIR-CT5520-50-K9 Cisco controller depends on various factors such as the environment, antenna configuration, and interference. Generally, it can cover a significant area, allowing for seamless connectivity within a reasonable distance.

FAQ 2: Can I manage multiple access points with this controller?

Absolutely! The AIR-CT5520-50-K9 Cisco controller is designed to manage multiple access points efficiently. It provides a centralized management interface that allows you to configure, monitor, and control all connected access points from a single location.

FAQ 3: Does the AIR-CT5520-50-K9 Cisco support 802.11ac?

Yes, the Cisco controller supports the latest wireless standard, 802.11ac. This ensures faster data transfer rates, improved network capacity, and enhanced user experience.

FAQ 4: What security features does this controller offer?

The AIR-CT5520-50-K9 Cisco controller offers a comprehensive range of security features. It supports encryption standards like WPA2 and AES, provides rogue access point detection, and implements intrusion prevention mechanisms to safeguard your network from potential threats.

FAQ 5: Is the controller compatible with other Cisco networking devices?

Yes, the AIR-CT5520-50-K9 Cisco controller is fully compatible with other Cisco networking devices. It seamlessly integrates with Cisco routers, switches, and other infrastructure components, allowing for smooth collaboration and interoperability.



Weight and dimensions for AIR-CT5520-50-K9?







0 882658838767

Warranty for AIR-CT5520-50-K9?
  • The warranty for refurbished units is 30 days.
  • The warranty for New units is as per the manufacturer’s terms and conditions.

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