AIR-CT8540-K9, Cisco 8540 Wireless Controller, Rack mountable/High performance/Wi-Fi control

  • Brand: Cisco
  • Model: AIR-CT8540-K9
Rating:
100%
5/5.0
$57,128.00
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    Years Expertise
    24 Years Expertise
    Proven, deployment-focused
  • Condition
    • Original New
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert

    You may also be interested in the following product(s)

    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    Overview
    End-of-Life Notice
    End-of-Life Notice
    AIR-CT8540-K9 is officially EOL. Service support ends on 2026-10-31.
    For full lifecycle details, see AIR-CT8540-K9 EOL.
    Recommended Replacement
    Recommended Replacement
    Official replacement model. Aligned with current deployment environments.

    Cisco AIR-CT8540-K9 Overview

    Optimized for 802.11ac Wave2 performance, the Cisco 8540 Wireless Controller is a highly scalable, service-rich, resilient, and flexible platform that enables next-generation wireless networks for medium-sized to large enterprise and campus deployments.

    Quick Specs

    Figure 1 shows the appearance of AIR-CT8540 controller with cover.

    AIR-CT8540 Appearance

    Table 1 shows the Quick Specs.

    Product Code

    AIR-CT8540-K9

    Description

    Cisco 8540 Wireless Controller with rack mounting kit

    Chassis Height

    Two rack-unit (2RU)

    Throughput

    40 Gbps

    Max AP Support

    6000

    Max Client Support

    64000

    Max VLANs

    4096

    Data Ports

    4 x 10 Gigabit Ethernet interfaces or 4 x 1 Gigabit Ethernet interfaces

    Storage

    Dual SSD with Hardware RAID

    Power Options

    1200 W AC, 930 W DC

    Redundant PSUs

    Dimensions (W x L x H)

    18.96 x 30.18 x 3.43 in. (48.2 x 76.6 x 8.70 cm)

    Net Weight

    44 lb (19.9 kg)

    Product Details

    Figure 2 shows the front panel of AIR-CT8540 controller.

    AIR-CT8540 Front Panel

    Note:

    LEDs Area

    KVM connector

    ☆ LEDs include:

    - Power button/power status LED

    - Temperature status LED

    - Locator (Unit identification) button LED

    - Power supply status LED

    - System status LED,

    - Network link activity LED (this indicates the network activity only on Service port, - RP port, and CIMC port)

    - Fan status LED

    ☆ KVM connector is used with KVM cable that provides two USB 2.0, one VGA, and one serial connector.

    Figure 3 shows the back panel of AIR-CT8540 controller.

    AIR-CT8540 Back Panel

    Note:

    2 × Type A 3.0 USB ports

    Redundancy Port (RP)

    CIMC port 10/100/1000 Base-T

    VGA Connector

    SerialCOM Connector—Standard RS-232 Serial COM port using RJ-45 connector

    ID Switch and LED

    Ethernet Service Port (SP)—Management 10/100/1000 Base-T

    Power Supply

    ☆ Rear panel has a standard VGA port using a female D-Sub-15 Connector (does not show anything once the Cisco WLC software starts except the initial BIOS parameters. All the prints from this point onwards are available on the serial console).

    The SFP Support

    Table 2 shows some recommended SFP for this wireless controller.

    SFP

    Description

    SFP-10G-SR

    10GBASE-SR SFP Module

    SFP-10G-LR

    10GBASE-LR SFP+ Module for SMF 10 Gbps

    SFP-H10GB-CU1M

    Cisco Direct-Attach Twinax Copper Cable Assembly with SFP+ Connectors, SFP-H10GB-CU1M

    SFP-H10GB-CU3M

    Cisco Direct-Attach Twinax Copper Cable Assembly with SFP+ Connectors, SFP-H10GB-CU3M

    SFP-H10GB-CU5M

    SFP-H10GB-CU5M,5M Passive Copper Twinax Cable F, Nexus,24AWG cable assembly

    Compare to Similar Items

    Table 3 shows the comparison of similar items.

    Models

    AIR-CT8540-K9

    AIR-CT8510-100-K9

    Max Access Points with licenses

    6000

    6000

    Max Client Support with licenses

    64,000

    64,000

    Ports

    4 x 10G SFP+

    2 x 10G SFP

    Bundle

    None

    100 Access Points

    Get more information

    Do you have any question about the AIR-CT8540-K9?

    Contact us now via Live Chat or [email protected].

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco AIR-CT8540-K9 Specification

    AIR-CT8540-K9 Specification

    Wireless

    IEEE 802.11a, 802.11b, 802.11g, 802.11d, WMM/802.11e, 802.11h, 802.11n, 802.11k, 802.11r, 802.11u, 802.11w, 802.11ac Wave1 and Wave2

    Wired/switching/routing

    IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX specification, 1000BASE-T. 1000BASE-SX, 1000-BASE-LH, IEEE 802.1Q VLAN tagging, IEEE 802.1AX Link Aggregation

    Data request for comments (RFC)

    • RFC 768 UDP
    • RFC 791 IP
    • RFC 2460 IPv6
    • RFC 792 ICMP
    • RFC 793 TCP
    • RFC 826 ARP
    • RFC 1122 Requirements for Internet Hosts
    • RFC 1519 CIDR
    • RFC 1542 BOOTP
    • RFC 2131 DHCP
    • RFC 5415 CAPWAP Protocol Specification
    • RFC 5416 CAPWAP Binding for 802.11

    Security standards

    • Wi-Fi Protected Access (WPA)
    • IEEE 802.11i (WPA2, RSN)
    • RFC 1321 MD5 Message-Digest Algorithm
    • RFC 1851 ESP Triple DES Transform
    • RFC 2104 HMAC: Keyed Hashing for Message Authentication
    • RFC 2246 TLS Protocol Version 1.0
    • RFC 2401 Security Architecture for the Internet Protocol
    • RFC 2403 HMAC-MD5-96 within ESP and AH
    • RFC 2404 HMAC-SHA-1-96 within ESP and AH
    • RFC 2405 ESP DES-CBC Cipher Algorithm with Explicit IV
    • RFC 2407 Interpretation for ISAKMP
    • RFC 2408 ISAKMP
    • RFC 2409 IKE
    • RFC 2451 ESP CBC-Mode Cipher Algorithms
    • RFC 3280 Internet X.509 PKI Certificate and CRL Profile
    • RFC 4347 Datagram Transport Layer Security
    • RFC 5426 TLS Protocol Version 1.2

    Encryption

    • Wired Equivalent Privacy (WEP) and Temporal Key Integrity Protocol-Message Integrity Check (TKIP-MIC): RC440, 104 and 128 bits (both static and shared keys)
    • Advanced Encryption Standard (AES): Cipher Block Chaining (CBC), Counter with CBC-MAC (CCM), Counter with Cipher Block Chaining Message Authentication Code Protocol (CCMP)
    • Data Encryption Standard (DES): DES-CBC, 3DES
    • Secure Sockets Layer (SSL) and Transport Layer Security (TLS): RC4 128-bit and RSA 1024- and 2048-bit
    • DTLS: AES-CBC
    • IPsec: DES-CBC, 3DES, AES-CBC
    • 802.1AE MACsec encryption

    Authentication, authorization, and accounting (AAA)

    • IEEE 802.1X
    • RFC 2548 Microsoft Vendor-Specific RADIUS Attributes
    • RFC 2716 PPP EAP-TLS
    • RFC 2865 RADIUS Authentication
    • RFC 2866 RADIUS Accounting
    • RFC 2867 RADIUS Tunnel Accounting
    • RFC 2869 RADIUS Extensions
    • RFC 3576 Dynamic Authorization Extensions to RADIUS
    • RFC 5176 Dynamic Authorization Extensions to RADIUS
    • RFC 3579 RADIUS Support for EAP
    • RFC 3580 IEEE 802.1X RADIUS Guidelines
    • RFC 3748 Extensible Authentication Protocol (EAP)
    • Web-based authentication
    • TACACS support for management users

    Management

    • Simple Network Management Protocol (SNMP) v1, v2c, v3
    • RFC 854 Telnet
    • RFC 1155 Management Information for TCP/IP-Based Internets
    • RFC 1156 MIB
    • RFC 1157 SNMP
    • RFC 1213 SNMP MIB II
    • RFC 1350 TFTP
    • RFC 1643 Ethernet MIB
    • RFC 2030 SNTP
    • RFC 2616 HTTP
    • RFC 2665 Ethernet-Like Interface types MIB
    • RFC 2674 Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering, and Virtual Extensions
    • RFC 2819 RMON MIB
    • RFC 2863 Interfaces Group MIB
    • RFC 3164 Syslog
    • RFC 3414 User-Based Security Model (USM) for SNMPv3
    • RFC 3418 MIB for SNMP
    • RFC 3636 Definitions of Managed Objects for IEEE 802.3 MAUs
    • Cisco private MIBs

    Management Interfaces

    • Web-based: HTTP/HTTPS
    • Command-line interface: Telnet, Secure Shell (SSH) Protocol, serial port
    • Cisco Prime Infrastructure

    Interfaces and Indicators

    • 4 x 10 Gigabit Ethernet interfaces or 4 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
    • 1 x service port: 1 Gigabit Ethernet port (RJ-45)
    • 1 x redundancy port: 1 Gigabit Ethernet port (RJ-45)
    • 1 x Cisco Integrated Management Controller port: 1 10/100/1000 Ethernet (RJ-45)
    • 1 x console port: Serial port (RJ-45)
    • LED indicators: Network Link, Diagnostics

    Physical dimensions

    • Dimensions (WxDxH): 18.96 x 30.18 x 3.43 in. (48.2 x 76.6 x 8.70 cm) including handles
    • Weight: 44 lb (19.9 kg) with 2 power supplies

    Environmental Conditions

    Air temperature:

    • Appliance operating: 41° to 104°F (5° to 40°C), derate the maximum temperature by 1.0°C per every 1000 ft. (305m) of altitude above sea level
    • Appliance nonoperating: -40° to 149°F (-40° to 65°C)

    Humidity:

    • Appliance operating: 10% to 90%; noncondensing at 82°F (28°C)
    • Appliance nonoperating: 5% to 93% at 82°F (28°C)

    Altitude:

    • Appliance operating: 0 to 3,000m (0 to 10,000 ft.)
    • Appliance nonoperating: 0 to 12,192 m (0 to 40,000 ft.)

    Electrical input:

    • AC input frequency range: 47 to 63 Hz
    • Input voltage range:

    ◦   Minimum: 90 VAC

    ◦   Maximum: 264 VAC

    ◦   Maximum power 538W

    • Heat dissipation: 1836 BTU/hr
    • Sound power level measure:

    ◦   A-weighted per ISO 7779 LpAm (dBA), operation at 77°F (25°C): 59.4

    Regulatory compliance

    CE Markings per directives 2004/108/EC and 2006/95/EC

    Safety:

    • UL 60950-1 Second Edition
    • CAN/CSA-C22.2 No. 60950-1 Second Edition
    • EN 60950-1 Second Edition
    • IEC 60950-1 Second Edition
    • AS/NZS 60950-1
    • GB4943 2001

    EMC - Emissions:

    • 47CFR Part 15 (CFR 47) Class A
    • AS/NZS CISPR22 Class A
    • EN55022 Class A
    • ICES003 Class A VCCI Class A
    • EN61000-3-2 EN61000-3-3 KN22 Class A
    • CNS13438 Class A

    EMC - Immunity:

    • EN55024
    • CISPR24
    • EN300386
    • KN24

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    What accessories come with the Cisco 8540 Wireless Controller?

    The Cisco 8540 Wireless Controller comes with a rack mounting kit, power cables, and documentation for easy setup and installation.

    How does Cisco AIR-CT8540-K9 compare to the Cisco 5520?

    The Cisco 8540 supports more access points (up to 6,000) and offers higher throughput compared to the Cisco 5520, which supports up to 1,500 APs.

    Can the Cisco 8540 Wireless Controller handle high-density environments?

    Yes, the Cisco 8540 is designed to manage high-density wireless networks, making it suitable for environments like campuses and large enterprises.

    Is router-switch.com a reliable distributor?

    Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

    Warranty
    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.
    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Cisco CCIE-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Cisco CCIE Technical Support
      Our Cisco CCIE-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Download
    Model Datasheet