Cisco C1-AIR-CT5520-K9 5520 Enterprise Wireless Controller

• Large enterprise campus WLAN with centralized wireless control
• High-density office networks requiring scalable AP management
• Multi-floor corporate buildings with centralized WLAN policies
• Branch networks using centralized or FlexConnect WLAN control
• Education campuses requiring large-scale wireless connectivity
• Healthcare networks requiring segmented enterprise WLAN access
• Data-center network rooms hosting centralized wireless controllers
• Retail environments requiring centrally managed branch connectivity
• Existing Cisco WLAN environments needing controller replacement
• Enterprise networks requiring high-capacity 10G controller uplinks
• Wireless deployments requiring centralized RF optimization
• Cisco infrastructure refresh projects requiring 5520 compatibility

• Supports up to 1,500 access points for WLAN growth
• Handles up to 20,000 wireless clients at scale
• 20Gbps throughput supports high-density enterprise WLANs
• Dual 10G interfaces provide high-speed network uplinks
• 1U rack design saves valuable equipment-room space
• Rack mounting kit simplifies professional deployment
• Centralized WLAN management reduces operational overhead
• Auto-RF helps optimize wireless radio performance
• Cisco CleanAir integration helps mitigate RF interference
• Supports up to 4,096 VLANs for segmented networks
• Supports up to 512 WLANs for diverse SSID requirements
• 802.1X and RADIUS support strengthens access control
• SNMP, GUI and CLI support centralized administration
• FlexConnect supports distributed branch WLAN deployments
• Redundant power options improve controller availability 

• Brand: Cisco
• Model: C1-AIR-CT5520-K9
• Product Family: Cisco 5520 Wireless Controller
• Product Type: Wireless LAN Controller
• Product Series: Cisco 5520 Series
• Product Name: Cisco ONE 5520 Wireless Controller
• Controller Architecture: Centralized WLAN Controller
• Form Factor: 1U Rack-Mountable
• Mounting: Rack Mounting Kit Included
• Maximum Access Points: Up to 1,500
• Maximum Wireless Clients: Up to 20,000
• Maximum Throughput: Up to 20 Gbps
• Network Interfaces: 2 x 10 Gigabit Ethernet
• Uplink Interface: SFP+
• Gigabit Connectivity: 1G/10G Ethernet support
• USB Connectivity: USB 2.0 Ports
• Wireless Bands: 2.4 GHz and 5 GHz
• WLAN Capacity: Up to 512 WLANs
• VLAN Capacity: Up to 4,096 VLANs
• RF Management: Auto-RF
• RF Optimization: Cisco ClientLink
• QoS: 802.11e WMM
• Authentication: 802.1X
• AAA Support: RADIUS
• Wireless Security: WPA/WPA2
• Management Interface: Web-Based GUI
• Management CLI: Command-Line Interface
• Network Management: SNMP
• Remote Administration: SSH
• Power Configuration: Redundant Power Support
• Power Supply Design: 1+1 Redundancy
• Deployment Model: Enterprise Campus and Branch WLAN
• Branch Technology: FlexConnect Support
• AP Management: Centralized Access Point Management
• Network Segmentation: VLAN-Based
• Compatibility: Cisco 5520-Supported Access Points
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -20°C to 70°C
• Operating Humidity: 10% to 95% Non-Condensing
• Compliance: FCC, CE, UL, RoHS
• Rack Deployment: Standard Network/Data Center Rack
• Target Environment: Enterprise IT and Network Infrastructure
• Management Method: Centralized Wireless Administration
• Deployment Benefit: High-Density WLAN Scalability

WHY CHOOSE THIS PRODUCT?

• High AP density: Manage up to 1,500 access points from a centralized controller, reducing the need for multiple controller platforms as WLAN deployments expand.
• 20Gbps wireless capacity: Provides substantial controller throughput for high-density enterprise wireless traffic and business-critical applications.
• 10G-ready uplinks: Dual 10G interfaces provide suitable high-bandwidth connectivity between the controller and wired network infrastructure.
• Enterprise segmentation: Support for up to 4,096 VLANs enables large organizations to structure wireless access across departments, users and services.
• Centralized administration: GUI, CLI and SNMP management give network teams multiple operational and monitoring methods.
• Rack-ready deployment: The included mounting kit and 1U form factor simplify integration into standard network racks.
• Established Cisco platform: Suitable for organizations operating Cisco wireless infrastructure and requiring a mature controller architecture.
• Procurement consideration: As an end-of-sale platform, it can be relevant for replacement, expansion or like-for-like infrastructure requirements, subject to lifecycle verification.