From California: A “green” Ethernet switch

15 April 2009

This managed switch automatically adjusts its power usage. When detecting a link down, the switch is said to save up to 14.28% in power usage without sacrificing network performance.

D-Link chairman John Lee
D-Link chairman John Lee

Authorities in California — the most environmentally conscious state in the USA — are talking about banning the sale of large screen TV sets, due to the fact that they consume so much electricity.

So it comes as no surprise that other companies there are looking for ways to reduce power consumption.

Is there room for power reduction in Ethernet networking? A company called D-Link—an end-to-end networking solutions provider located near Los Angeles—thinks so. It has introduced the D-Link Green 16-port Managed Gigabit Switch (DGS-3200-16) for Ethernet.

The technology is said to automatically detect a device link status and reduces the power usage of ports that are not linked. When detecting a link down, it can save up to 14.28% in power usage without sacrificing network performance.

In addition, the switch includes a “smart” fan with heat sensors that maintain the temperature of the device for optimum performance. The fan turns off by default and automatically turns on when the system operation temperature reaches or surpasses 35°C to reduce noise pollution and energy consumption.

The company has also launched, to outline their green initiatives, which company chairman John Lee describes as “conserving energy, protecting the environment from harmful substances and reducing waste by using recyclable packaging.”

DGS-3200-16 L2 Gigabit managed switch
DGS-3200-16 L2 Gigabit managed switch

Mr. Lee says “D-Link Green” means that the products comply with green initiatives (such as WEEE, RoHS, and ENERGY STAR); and use D-Link's sustainable packaging (such as sleeveless design and soy ink).

The DGS-3200-16 L2 Gigabit managed switch is expected to be available in the second quarter of 2009 from D-Link's network of value-added resellers (VARs), solution providers and distributors, and at the company's online store, Pricing will be determined when shipments begin.

—David Greenfield, Control Engineering

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