Netgear S350 8-Port Ethernet Switch (GS308T-100NAS)In addition, the GS108T supports IEEE 802. 3af standard for Power over Ethernet (PoE). It can obtain its power from either a PoE source or from an external AC power adapter. This gives an SMB flexibility when installing the switch in places where a power outlet is not present. The unit is ideal for adding basic management to your unmanaged networks or extending your managed networks.