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by Cisco
Product Line: Cisco 5500 Series
Product Type: Wireless Controller
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Product Description

The AIR-CT5508-150-K9 Cisco supports a maximum of 25 access points, ensuring adequate coverage and connectivity for varied networking environments. It offers a comprehensive range of wireless standards, including IEEE 802.11a/b/g/n/ac, and multiple encryption protocols such as WEP, TKIP-MIC, AES, ensuring secure and reliable wireless communication. The device features 8 1000BaseT, 1000Base-SX, and 1000Base-LH transceiver slots for uplink connections, along with a service port of 10/100/1000 Mbps Ethernet (RJ45), enhancing its performance and flexibility in network deployment.

FAQs for the AIR-CT5508-150-K9

  • What is the maximum number of access points supported?
    The maximum number of access points supported is 25.
  • Can you describe the uplink capabilities of the 5508 model?
    The 5508 model has 8 1000BaseT, 1000Base-SX, and 1000Base-LH transceiver slots.
  • What wireless standards does this device support?
    It supports IEEE standards 802.11a, 802.11b, 802.11g, 802.11d, WMM/802.11e, 802.11h, 802.11k, 802.11n, 802.11r, 802.11u, 802.11w, and 802.11ac.
  • What types of encryption are available?
    Available encryption types include WEP and TKIP-MIC, AES, DES, SSL and TLS, DTLS, and IPSec.
  • How can this device be managed?
    Management interfaces include Web-Based (HTTP/HTTPS), Command-Line Interface via Telnet and SSH Protocol, and a Serial Port compatible with Cisco Wireless Control System.
  • What are the physical dimensions of this device?
    The device measures 17.30 inches in width, 21.20 inches in depth, and 1.75 inches in height.
  • What are the operating and storage temperature ranges?
    Operating temperature ranges from 0 °C to 40 °C, and storage temperature ranges from -25 °C to 70 °C.
  • How is the device powered and what is its power consumption?
    It is powered by 100 to 240 VAC; 50/60 Hz; consuming 1.05 A at 110 VAC and 0.523 A at 220 VAC, with a heat dissipation of 392 BTU/Hour.
  • What safety and regulatory standards does this device meet?
    It meets safety standards UL 60950-1:2003, EN 60950:2000, and EMI and Susceptibility (Class A) standards.
  • What information does the RF management feature provide?
    RF management provides real-time and historical information about RF interference.

Product Review

The Cisco AIR-CT5508-150-K9 supports a wide range of wireless standards, including the latest 802.11ac, ensuring compatibility with a broad spectrum of devices and offering up to 25 access points for scalable network management. However, its reliance on older encryption standards like WEP and TKIP-MIC alongside the more secure AES and SSL/TLS may present security concerns in high-risk environments. The device offers comprehensive management interfaces, including Web-based and CLI options, but its operational temperature range limits its deployment in environments with extreme temperatures.


The Cisco AIR-CT5508-150-K9 is a wireless controller designed to efficiently manage wireless networks. It supports up to 25 access points, offering a streamlined solution for medium-sized networks. The device is engineered to deliver high-speed wired-network capabilities and non-blocking performance, ensuring a smooth and efficient operation of wireless services across the network. This model is compatible with a wide range of IEEE wireless standards, including 802.11a, b, g, d, e, h, k, n, r, u, w, and 802.11ac, making it versatile for various wireless networking requirements. It allows for seamless communication and interoperability among devices operating on different wireless standards. Management of the AIR-CT5508-150-K9 can be done through multiple interfaces. It supports web-based management via HTTP and HTTPS, providing a convenient platform for administrators to configure and monitor the network. For more direct control, it offers a command-line interface accessible through Telnet, Secure Shell (SSH) protocol, and a serial port. The device is also compatible with the Cisco Wireless Control System for advanced management capabilities. Security is a paramount concern in wireless networking, and the AIR-CT5508-150-K9 addresses this with support for various encryption methods, including WEP, TKIP-MIC, AES, DES, SSL and TLS, DTLS, and IPSec. These encryption standards ensure that data transmitted across the network is protected against unauthorized access and threats. The hardware specifications of the AIR-CT5508-150-K9 are designed to support its advanced features. It includes: - 8 1000BaseT, 1000Base-SX, and 1000Base-LH transceiver slots for uplink connectivity. - A service port supporting 10/100/1000 Mbps Ethernet (RJ45) for management. - One expansion slot for future upgrades. - Console ports including RS232 (DB-9 Male/RJ-45 Connector Included) and Mini-USB for local management. - LED indicators for system status monitoring. The device measures 17.30 inches in width, 21.20 inches in depth, and 1.75 inches in height, with a weight of 20 lbs when equipped with two power supplies. It operates within a temperature range of 0 °C to 40 °C and can be stored in temperatures ranging from -25 °C to 70 °C. The power requirements are 100 to 240 VAC; 50/60 Hz; with a power consumption of 1.05 A at 110 VAC and 0.523 A at 220 VAC. It dissipates up to 392 BTU per hour. The AIR-CT5508-150-K9 adheres to safety standards including UL 60950-1:2003 and EN 60950:2000, and meets EMI and Susceptibility (Class A) requirements, ensuring safe operation within IT environments. Its RF management capabilities provide both real-time and historical information about RF interference, aiding in the maintenance of optimal network performance. In summary, the Cisco AIR-CT5508-150-K9 is a comprehensive solution for managing wireless networks, offering scalability, versatile management options, robust security features, and reliable performance. Its support for a wide range of wireless standards and advanced RF management tools makes it an ideal choice for medium-sized enterprises looking to efficiently manage their wireless network infrastructure.


Part Number Cisco AIR-CT5508-150-K9
Manufacturer Cisco
Access Points Supported Up to 25
Throughput Wired network throughput and full-duplex performance
Wireless Protocols IEEE 802.11a/b/g/d/e/h/k/n/r/u/w/ac
Administration Options Web Interface: HTTP/HTTPS, CLI: Telnet, SSH, Serial InterfaceCisco Wireless Control System
Security Features WEP, TKIP-MIC, AES, DES, SSL/TLS, DTLS, IPSec
Uplink Interfaces 8 (5508) slots for 1000BaseT, 1000Base-SX, and 1000Base-LH modules
Maintenance Port 10/100/1000 Mbps Ethernet (RJ45)
Expansion Slot Quantity 1
Console Interfaces RS232 (DB-9 Male/RJ-45) and Mini-USB
Status Indicators LEDs for System, Activity, and Power Supplies
Width 17.30 Inches
Depth 21.20 Inches
Height 1.75 Inches
Weight 20 lbs with dual power supplies
Operational Temperature Range 0 to 40 °C
Storage Temperature Range -25 to 70 °C
Power Requirements 100 to 240 VAC; 50/60 Hz; 1.05 A at 110 V, 0.523 A at 220 V
Thermal Output 392 BTU/Hour
Compliance UL 60950-1:2003, EN 60950:2000, Class A EMI/RFI
RF Management Monitoring of RF Interference in real-time and historically

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