Wireless LAN Controller AC Power Supply
Product Description
The Cisco AIR-PWR-4400-AC from Cisco is a hot-swappable AC power supply designed for Cisco 4400 Series Wireless LAN Controllers. It provides reliable primary or redundant power for enterprise wireless controller deployments, ensuring uninterrupted network operations in mission-critical environments.
Engineered for enterprise reliability, this power module supports high-availability configurations by allowing redundant installation in compatible controller chassis. Its hot-swap capability enables replacement without powering down the controller, reducing downtime and simplifying maintenance in large wireless infrastructures.
Model Type
AC Power Supply Module for Cisco Wireless LAN Controllers
Category
Networking Accessories – Enterprise Wireless Controller Power
Key Features
Designed for Cisco 4400 Series Controllers — Purpose-built for compatibility with Cisco enterprise WLAN controller platforms.
Hot-Swappable Design — Allows replacement without shutting down the controller, minimizing operational disruption.
Supports Redundant Power Configurations — Enables high-availability deployments for mission-critical networks.
Enterprise-Grade Reliability — Engineered for continuous operation in corporate, campus, and data-center environments.
Tool-Less Installation — Slides into the controller chassis for quick deployment and maintenance.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Model | Cisco AIR-PWR-4400-AC |
| Product Type | AC Power Supply Module |
| Compatibility | Cisco 4400 Series Wireless LAN Controllers |
| Input Voltage | Standard AC input |
| Redundancy Support | Yes (when multiple PSUs installed) |
| Hot-Swap Support | Yes |
| Deployment | Enterprise controller environments |
Typical Use Cases
Enterprise Wireless Networks — Ensures continuous power for centralized WLAN control systems.
Campus Deployments — Supports redundant controller infrastructure in universities and corporate campuses.
Data Centers — Provides reliable controller power for large-scale wireless management.
High-Availability Environments — Ideal for installations requiring failover power protection.









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