Product Type | Wireless Controller |
Model | 8540 |
Manufacturer Part Number | AIR-CT8540-K9-RF |
Form Factor | 2U Rack-Mountable |
Rack Height | 2U |
Max Remote Access Points | 6000 |
Max Power Consumption | 538 Watt |
Power / Voltage Required | 90 VAC - 264 VAC |
Features | Intent-driven programmability and streaming telemetry. |
Cisco 8540 Wireless Controller with Rack Mounting Kit, Remanufactured



Key Benefits

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- Ideal for large-scale wireless deployments requiring centralized control and up to 6000 AP support
- Remanufactured unit offers cost savings without compromising Cisco-grade reliability and feature set
- TAA-compliant design makes it suitable for government and other regulated IT environments
Product Overview
The Cisco 8540 Wireless Controller with rack mounting kit, remanufactured model AIR-CT8540-K9-RF, supports up to 6000 remote access points and is ideal for large-scale wireless deployments. Designed with a 2U rack-mountable form factor, this device supports modern standards including Wi-Fi 6 (802.11ax), 802.11ac Wave1 & Wave2, ensuring compatibility and performance. It operates over Gigabit Ethernet and features intent-driven programmability and streaming telemetry for enhanced monitoring. With TAA compliance and high energy capacity of up to 538W, it meets enterprise and government requirements efficiently.
Specifications
Product Overview
Wireless Features
Wi-Fi Standards Supported | 802.11a/b/g/n/ac Wave1/Wave2, 802.11ax (Wi-Fi 6) |
Maximum Number of WLANs | 6000 |
Roaming Support | 802.11k, 802.11r, 802.11v, 802.11u, 802.11w |
Mobility Support | Inter-controller Layer 2 and Layer 3 roaming |
Client Load Balancing | Yes |
Compliance & Origin
Country of Origin | Mexico |
TAA Compliance | Yes |
Certifications | FCC, UL/CSA, CE Marking, ICES-003, RoHS |
Green Compliance | RoHS |
Advanced Security Features
Security Features | Application visibility and control, rogue detection, RF interference mitigation |
Wireless Intrusion Prevention System (wIPS) | Supported |
Role-Based Access Control (RBAC) | Yes |
Encryption Protocols Supported | WPA, WPA2, WPA3, 802.1X |
RADIUS and TACACS+ Authentication | Supported |
Interfaces
Data Link Protocol | Gigabit Ethernet |
Transport Protocol | Gigabit Ethernet |
Interface Types | 1 x 10GE, 2 x GE Management, 2 x USB 3.0 |
USB Ports | 2 x USB 3.0 |
Management Ports | 2 x Gigabit Ethernet |
Expansion Slots | 2 x modular slots for future uplinks |
Throughput Capacity | 40 Gbps |
Concurrent Devices Supported | Up to 64,000 clients |
Physical & Environmental
Width | 18.96 in (48.15 cm) |
Depth | 30.18 in (76.66 cm) |
Height | 3.43 in (8.71 cm) |
Unit Weight | Approximately 39.2 lbs (17.8 kg) |
Operating Temperature | 32°F to 104°F (0°C to 40°C) |
Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
Operating Humidity | 10% to 90% (non-condensing) |
Storage Humidity | 5% to 95% (non-condensing) |
Cooling Type | Internal redundant fans |
Cloud Management & Licensing
Management Interface | Cisco DNA Center, CLI, SNMP, HTTPS, Web UI |
Licensing Model | Smart Licensing (DNA Advantage or Essentials required) |
Included Licenses | None (licenses sold separately) |
Cloud Monitoring Support | Yes, via Cisco DNA Center |