10 Port PoE+ switchtotal Max 120W internal power budget, up to 30W per PoE port, add-on 2 gigabit uplink port, IEEE802.3af/at compliant, automatically detects and identifies PD devices. Support 250m with VLAN Isolation- A single POE port can handle 10Mbps speed and 250m transmission range when the extend mode is enabled. Ports 1 - 8 provide VLAN isolation, lessen network traffic, and increase network security. Unmanaged Plug-and-play easy to use and simple set up with no software or configuration needed. Supports auto MDI/MDIX and Non-Blocking Data Forward. 4KV Lightning Protection DesignProtect products and equipment from damage even in bad weather. The sturdy metal housing supports desktop or rack installation in a variety of different usage scenarios. Each NICGIGA PoE switch has been rigorously tested for reliability, quality, and performance. If you have any questions during use, please contact us.