The DGS-1005D (Green Ethernet version) is a 5-port unmanaged Gigabit switch that consumes less energy than conventional switches of the same
Specification. This switch reacts when a device attached to it is turned off, by placing the corresponding port in a standby mode that requires less power. In addition, the switch is able to detect the Ethernet cable length & adjust power usage accordingly, hence saving any surplus power that would otherwise dissipate as heat. These two features combined can save up to 27% of the power used by the switch. This function allows the flow of data to be adjusted between switch & server, to ensure a reliable data transfer. At 2000 Mbps full duplex, the switch provides high-speed data pipes to your servers with minimum data transfer loss. All ports support auto-negotiation of MDI/MDIX cross over. This eliminates the need for cross over cables or uplink ports. Any port can simply plug to a server, a hub or a switch, using the usual straight-through twisted-pair cable.