From PHOENIX CONTACT USA
The use of Power over Ethernet (PoE) will increase because of its ease of implementation and low cost of installation. These devices are frequently installed in open-air, unshielded environments, which increases their susceptibility to electromagnetic interference (EMI). Applications using PoE and PoE+ in open-air environments are subjected to large surge currents, and protection must be installed to prevent damage. This paper will outline the components, standards and grounding used in PoE protection.
The two main standards for PoE are IEEE 802.3af and 802.3at. These standards relate to the data speeds, voltage, current, and power that can be supplied to the end device. The surge device must be able to meet these standards, like any other network device, and protect against damage.
Products & Services
Product Announcements
|
|
Topics of Interest
In September 2009, IEEE ratified Standard 802.3at, revising the original Power over Ethernet (PoE) 802.3af. Now known as Power over Ethernet+ (or PoE+), the new standard increases the utility of an...
PoE (Power over Ethernet) is one of the hottest topics in Ethernet networking applications today. In this white paper, we will introduce the basics of PoE technology and the new 802.3at standard,...
The Si3400 and Si3401 Power over Ethernet (PoE) powered device (PD) controllers are designed in an efficient Silicon on Insulator (SOI) process technology, which enables the integration of a robust...
This White Paper provides an overview of Power Over Ethernet (PoE) and details the PoE variations that are used in today's telecommunications networks.
The evolution of Power over Ethernet (PoE) continues to expand the functionality of Ethernet technology by supplying reliable DC power over the same cables that currently carry Ethernet data.
