Gigabit Ethernet (1000BASE-T) and Power over Ethernet (PoE) are two network technologies that today are considered the norm. However, DC resistance unbalance in a PoE connection has the potential to cause significant problems. This paper looks at causes of DC resistance unbalance and how testing can help reduce problems with PoE systems.
Jon Collins’ in-depth look at tech and society
Phil Muncaster reports on China and beyond