Lanberg Switch 5X 100MB/S Fast Ethernet Desktop 5V The Lanberg DSP1-0105 is a small unmanaged desktop switch equipped with 5 Fast Ethernet ports. The device is small and handy and works on a plug-and-play basis. The switch offers switching functions for 5 RJ-45 10/100 Mbps ports as well as automatic connection negotiation and MDI-MDIX support.