PoE Detector For Passive and 802.3af/at

Purpose-built for field work, the PoE Detector for Passive and 802.3af/at delivers quick results with simple LED indicators. Use it during camera deployments, VoIP phone rollouts, wireless access point installs, or when auditing unknown injectors and switches. It’s light, pocket-sized, and designed for everyday use in networking, security, and SMB environments.

If you frequently troubleshoot mixed networks, this PoE Detector for Passive and 802.3af/at removes guesswork. Confirm power type on the spot, verify cabling during handovers, and document findings with confidence.

Key Features

• Instantly identifies passive PoE vs IEEE 802.3af/at power.
• Clear, easy-to-read LED indicators for fast diagnostics.
• RJ45 plug-and-check design—no complex setup.
• Ideal for IP cameras, VoIP phones, and Wi-Fi access points.
• Pocket-friendly and durable for daily field use.
• Cuts troubleshooting time and protects equipment from incorrect power.

Why This Tool?

Mixing passive and standards-based PoE on the same site is common—and risky. This detector gives you immediate visibility so you can make the right call, right now.

Specifications:

• Ethernet connector: RJ 45 Female
• Data speed: the device uses no data – power only
• Input Voltage Max: Up to 57 volts
• Internal power use: 50 mw
• Operating Temperature: 0°C – 50°C
• PoE Standard: IEEE 802.3af, 802.3at, 24 Volt Passive, 48/56 Volt Passive, Reverse Mode
• Power Input: not required
• Weight: 17 g

Add To Cart and Verify Your PoE The Smart Way Before You Plug In The Gear.