ON-PWRINJ3 AIR-PWRINJ3 Cisco Access Point power option Overview
ON-PWRINJ3 AIR-PWRINJ3 Cisco Access Point power option is a genuine modular capacity expansion product from Cisco, a global name in networking whose platforms are used by enterprises, service providers and data-center operators alike. Belonging to the Cisco family, the ON-PWRINJ3 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is installed into a compatible chassis slot, where it works alongside the supervisor and line cards to extend the platform’s capabilities.
This unit follows the original factory specification for the Cisco family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include high-density wireless for offices and halls, branch and remote-site Wi-Fi coverage, and guest networks and IoT onboarding. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco AP power option AIR-PWRINJ3 Power Injector for 1100, 1130AG, 1200 1230AG, 1240AG, 521”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the ON-PWRINJ3. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Capacity Expansion
Add ports and performance to existing chassis.
Upgrade Path
Modernize aging platforms with compatible modules.
Flexible I/O
Mix copper, fiber and high-speed uplinks.
Buying a Pre-Owned ON-PWRINJ3
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
AIR-PWRINJ3 Specifications | |
Electrical | Input voltage: 48-VDC, 15W |
Connectors | 2 RJ-45 (Cat 5 Ethernet) |
Wire pairs used | Injects power into two unused pairs in the Category 5 cable: 4 and 5 (negative) and 7 and 8 (positive). |
Specification | Power Injector (AIR-PWRINJ3) |
Dimensions | 5.4 in. x 2.1 in. x 1.3 in. (13.7 cm x 5.3 cm x 3.3 cm) |
Stacking restrictions | Do not stack. Do not bundle the power injector and AC power adapter. |
ON-PWRINJ3 - Deployment Notes
This ON-PWRINJ3 switch is suited to wiring-closet, distribution, or core roles depending on the port density and uplink options of the specific model. The port configuration is a key consideration when planning power budgets for attached devices such as IP phones and access points.
For a refresh or expansion, confirm the IOS/NX-OS software release supported by this specific SKU, the fan and power requirements, and the uplink modules that match your existing infrastructure. Our team can verify revision levels and software compatibility before you order.
Every unit at LinkNewNet is inspected and tested before dispatch, and this ON-PWRINJ3 variant is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Volume requirements can be staged with configuration checks.
ON-PWRINJ3 - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco wireless product delivers Wi-Fi coverage, controller functionality, or antenna solutions for enterprise networks. It integrates with Cisco wireless controllers and DNA Center for centralized management.
Deployment guidance: When planning this ON-PWRINJ3 unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: ONS-SC+-10GEP52.1, AIR-PWRINJ-FIB, AIR-PWR-B, AIR-LAP521G-A-K9, AIR-LAP521G-E-K9. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
