Triplett 9625 PoE-Bug Pocket-Sized Standalone PoE Detector is designed to detect AT, AF, and non-standard DC power as well as indicating if PoE is end-span or mid-span. The Triplett 9625 PoE-Bug features distinct LEDs, ability to check for presence of DC power in RJ45 ports, non-standard DC power from 5V to 57V DC and 802.3af and 802.3at detection, and more. The Triplett 9625 PoE-Bug performs many useful tests that would usually require a more expensive unit, larger unit.