EDN

Intro to PoE: Fundamentals, standards and implementations–Part I

In recent years, Power over Ethernet (PoE) technology has evolved rapidly, nourishing many applications that did not exist previously. The fast growth of PoE technology can be attributed to two main ...
eTeknix

D-Link Vigilance Business-Series PoE Camera Introduction

The D-Link Vigilance 360 Full HD, PoE Network Camera, is a Full HD fisheye surveillance solution with either 180 or 360 degree viewing modes, 2-way audio, microSD card slot on board, and 25 ft. Night ...
EDN

Intro to PoE: Fundamentals, standards and implementations–Part II

Per IEEE STD 802.3af, electrical performance of a PD shall meet the requirements as described in Table 7. A PD should present a valid PD signature, may or may not present a valid classification, must ...