Cisco Aironet PoE Injector

The Cisco Aironet PoE Injector is a compact, high-efficiency solution designed to empower flexible wireless LAN deployments by delivering 55-VDC power alongside data over a single Ethernet connection. With an internal power supply, this injector eliminates the need for separate power outlets at every access point location, enabling you to place Cisco Aironet APs where they deliver the best coverage and performance. Perfect for enterprise campuses, hospitality environments, and large facility networks, this injector streamlines installation, reduces cabling clutter, and supports scalable, reliable wireless networking.

• Single-cable power and data delivery: Power and data are combined on one Ethernet link, simplifying AP placement and reducing wiring complexity during deployments.
• 55-VDC power from an internal supply: The injector provides 55-volt DC power to the connected Cisco Aironet access point, enabling robust performance across diverse layouts and environments.
• Compact, versatile design: Small form factor with easy placement in desks, cabinets, or mounted locations makes it ideal for tight spaces and varied installation sites.
• Plug-and-play reliability: Delivers dependable power and data throughput without requiring complex configuration, ensuring rapid rollout of wireless networks.
• Optimized for Cisco Aironet APs: Specifically engineered to power Cisco Aironet access points, helping maintain optimum device compatibility and performance.

Technical Details of Cisco Aironet PoE Injector

• Power delivery: 55 V DC output to the connected access point via the Ethernet link
• Power supply: Internal power supply (AC input to internal converter)
• Data transmission: Ethernet data signal combined with power on a single cable to the AP
• Form factor: Compact injector suitable for desktop or wall-mount installations
• Connectors: RJ-45 ports for data input and data/power output to the AP

Why choose the Cisco Aironet PoE Injector for your wireless network

Deploying wireless access points across large facilities often means balancing performance with practicality. The Cisco Aironet PoE Injector is designed to deliver both, providing a reliable power source that travels with your data to the AP. This approach eliminates the need for proximity power outlets, allowing you to place APs in optimal locations for coverage and capacity. The injector’s 55-VDC output is tailored for Cisco Aironet devices, ensuring compatibility and consistent performance for the newest and legacy APs in your portfolio. In environments such as schools, hotels, hospitals, and corporate campuses, the injector supports scalable growth by simplifying installation while maintaining a clean, organized network infrastructure.

Beyond basic power delivery, the injector reduces installation costs and complexity. Its compact design makes it straightforward to mount near ceilings, in electrical closets, or on walls, providing flexibility in both new builds and retrofit projects. By consolidating power and data into a single run, it minimizes cable runs and potential points of failure. IT teams can focus on network optimization rather than wrestling with multiple power adapters, improving efficiency during deployment and ongoing maintenance.

In addition to operational benefits, the injector contributes to improved network reliability. With a dedicated power source managed through an internal supply, Cisco Aironet APs can maintain consistent operation, helping to preserve user experience during peak activity. This reliability is critical for environments that demand stable connectivity, such as conference centers, student housing, or healthcare facilities. Administrators can scale coverage plans with confidence, knowing that each AP receives the necessary power alongside data without imposing additional electrical requirements.

How the Cisco Aironet PoE Injector fits into your deployment strategy

When planning a wireless rollout, design flexibility and ease of deployment are as important as raw performance. The PoE injector supports a range of installation scenarios, including retrofits where existing cabling can be leveraged to deliver both power and data. Its 55-VDC output aligns with Cisco Aironet AP hardware, helping ensure consistent behavior and reducing compatibility concerns across your AP fleet. By enabling centralized placement of APs away from traditional power outlets, you can optimize signal propagation, experiment with antenna placements, and adapt quickly to changing space configurations without re-wiring complex power systems.

Security and management are also simplified with a straightforward, hardware-based solution. Since the injector functions as a passive power/data conduit, there is minimal risk of misconfigurations or software-based issues affecting AP power. This simplicity is valuable in multi-site networks where IT teams manage numerous access points and need consistent, dependable hardware to support daily operations. The injector's design emphasizes durability and reliability, ensuring long-term operation in varied environments—from office settings to public hospitality spaces.

how to install Cisco Aironet PoE Injector

• Step 1: Plug the injector into a suitable power outlet using its internal power supply. Ensure the outlet is on a stable circuit appropriate for network equipment.
• Step 2: Connect an Ethernet cable from your network switch or uplink device to the injector's data input port. This carries the data stream to the AP.
• Step 3: Connect a second Ethernet cable from the injector's output port to the Cisco Aironet AP's Ethernet port. This is where the data and 55-VDC power reach the AP.
• Step 4: Power on the AP and verify that link/activity LEDs indicate a healthy connection. Confirm that the AP boots and joins the wireless network as expected.
• Step 5: Route and secure cables neatly, using appropriate cable management for your installation, and mount the injector if a dedicated enclosure or surface mount is desired.

Frequently asked questions

• What is the Cisco Aironet PoE Injector used for? It powers Cisco Aironet wireless access points by delivering power over the same Ethernet cable that carries data, enabling flexible AP placement without the need for separate power outlets.
• What voltage does the injector provide? It delivers 55-VDC power to the connected AP over the Ethernet link, in addition to data transmission.
• Is it compatible with all Cisco Aironet AP models? The injector is designed to power Cisco Aironet access points that require 55 V DC power via PoE; for exact model compatibility, verify your AP’s power requirements and specifications.
• Does the injector require software configuration? No. The injector is a plug-and-play device that does not require software configuration to power or connect APs.
• Where can I install the PoE injector? In locations with an available power outlet and network connectivity, including desks, cabinets, or wall-mount spaces in offices, campuses, hotels, or similar environments.