Reliable Power Injection for Cisco Wireless Network Deployments

When a Cisco wireless access point needs stable PoE power but the existing network switch does not provide Power over Ethernet support, the Cisco AIR-PWRINJ4 341-0212-01 provides a practical installation solution. This 30W PoE midspan injector adds DC power to standard Ethernet connections while maintaining network data transmission through a single cable.

Based on the Phihong POE30U-560(G) platform, this Cisco Aironet power injector delivers 56V DC output with up to 30W PoE capability. It is designed for compatible Cisco Aironet access points and other IEEE 802.3af Ethernet-powered devices requiring external PoE injection.

Application Scenarios

The Cisco AIR-PWRINJ4 is commonly deployed in professional networking environments where reliable Ethernet power delivery is required:

• Cisco Aironet wireless access point installations
• Enterprise Wi-Fi deployments without PoE-enabled switches
• Office and commercial wireless network expansion
• Network upgrades requiring external PoE injection
• Professional Ethernet-powered device installations

Technical Specifications

Compatible Devices

Designed for Cisco Aironet wireless networking equipment and compatible IEEE 802.3af PoE devices, including:

• Cisco Aironet Wireless Access Points
• Cisco Aironet 1000 Series Access Points
• Cisco Aironet 1100 Series Access Points
• Cisco Aironet 1200 Series Access Points
• Cisco Aironet 3500 Series Access Points
• Other IEEE 802.3af PoE-compatible network devices

Replacement Compatibility

This PoE injector can replace Cisco power injector models using the following identifiers:

• Cisco AIR-PWRINJ4
• Cisco 341-0212-01
• Phihong POE30U-560(G)

How to Verify Compatibility

Before purchasing, confirm that your equipment requires:

• IEEE 802.3af PoE power input
• Up to 30W PoE power delivery
• 56V DC PoE output
• RJ45 Ethernet power injection

Frequently Asked Questions

Q1: Is Cisco AIR-PWRINJ4 a regular AC adapter?

No. AIR-PWRINJ4 is a PoE midspan injector. It delivers power through an Ethernet cable instead of a traditional DC barrel connector.

Q2: What Cisco devices use the AIR-PWRINJ4 injector?

This injector is designed for compatible Cisco Aironet wireless access points and other IEEE 802.3af PoE-powered network devices.

Q3: Can this replace Cisco part number 341-0212-01?

Yes. Cisco AIR-PWRINJ4 and part number 341-0212-01 identify this 30W PoE injector platform.

Q4: Does this support Gigabit Ethernet?

Yes. The injector supports 10/100/1000 Mbps Ethernet data transmission while providing PoE power delivery.

The Cisco AIR-PWRINJ4 341-0212-01 is a 30W PoE midspan injector providing 56V 0.55A power delivery for Cisco Aironet wireless access points and compatible IEEE 802.3af network devices. It solves installation challenges where Ethernet devices require power but the network switch lacks PoE capability. This model replaces Cisco 341-0212-01 and is based on the Phihong POE30U-560(G) PoE injector platform.