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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here -- Ignore unavailable to you. Want to Upgrade?

To: Herc who wrote (5405)	10/2/1999 7:12:00 PM
From: Frank A. Coluccio	Read Replies (1) \| Respond to of 12823

Herc, in very simple terms, dense wavelength division multiplexing is a means employed by carriers to multiply the effective carrying capacity of an individual strand of fiber. By using DWDM, multiple virtual fiber paths can be created where only one existed, previously. These days each of these paths is conveniently said to be its own "color" of the spectrum. In the end, the fiber carries multiple colors, and each of them is individually selectable and usable for a different purpose at the [single physical] fiber's end points. For some tutorial background, see: webproforum.com The basic diagram is shown in: webproforum.com ..although the "definition" that LU provides in this instance really sucks (I don't know what they were thinking of, honestly), but the remainder of the presentation, the graphic part especially, is worth a look. Regards, Frank Coluccio