中央新闻纪录电影制片厂 Clever Switches: Clever Switches are switches acquiring some excess controls on data transmissions but even have excess constraints more than managed Switches. Also they are identified as partly managed switches. The switch incorporates a blended of normal ports and electrical power-above-ethernet ports (these are generally useful for VOIP phones) https://waylon82n78.blogdigy.com/network-things-to-know-before-you-buy-50674156