4×10/100Base-TX Ethernet ports (PoE ports) and 1×10/100Base-TX up-link port
Support IEEE802.3af/at standards,Max. 30W output of single port
1~4 downlink ports can only communicate with uplink ports,extend transmission distance up to 250m(10Mbps)
6KV surge protection, 8KV ESD immunity and anti-interference
Easy and safe installation: wall-mounting, desktop,Kensington security slot , Plug-and-play.