2001 is a time to start thinking differently

By Jeffrey Fritz, ITworld.com |  Networking

Speaking of LEDs, when some DWDM shelves are powered down, their power status indicators don't go off; they turn red and stay on. But have no fear -- we may become more familiar with such events. Our newer home gear seems to be following the carriers' lead. For example, my new Sony DVD player alarms when there is no DVD in the player. When I turn it off, the green power LED doesn't shut off. It turns red, just like the power switch on a DWDM shelf. As with the carrier optical shelves, there is nothing wrong with the player -- I just have to think differently.

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