Yealink RCH40 E2 4-Port PoE Switch, Used For Connecting Yealink Meeting Room Cameras, Microphones & SpeakersThe RCH40 E2 provides 4 10 100 1000Mbps ports that support 802. 3af at compliant PoE, with a total PoE power supply of up to 90W, powerful and flexible enough for users to connect video conference system. The RCH40 also comes equipped with Yealink EasyConnect, user can connect the RCH40 to the Yealink VCH port without a power adapter, simplifying your cable connection. Furthermore, RCH40 provides Yealink SafeConnect, when PoE demand exceeds the PoE