Green Ethernet technology from D-Link

"D-Link leads the market with Green Ethernet," claimed Chris Davies, the company's UK general manager. "With the energy and costs savings the technology can deliver, there's simply no excuse for organisations not to migrate to energy-optimising network solutions."

The maximum power saving occurs when all the connected devices are switched off, as disconnected switch ports are powered down.

However, D-Link said that its new DGS-1016D 16-port and DGS-1024D 24-port unmanaged Gigabit switches can save power on active ports as well, because they dynamically detect the cable length and reduce their transmit power to suit.

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