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Technology Stocks : The New QLogic (ANCR)

QLGC 16.07

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Aug 24 5:00 PM EST

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To: jad who wrote (17916)	9/2/1998 3:23:00 PM
From: Greg Hull	Read Replies (1) of 29386

To all: The link supplied by JAD included the following: rtcgroup.com The higher-power lasers are most often accompanied with handshaking control circuitry (required for safety purposes), which low-power lasers do not generally have; thus, there is incompatibility. Also, lasers operating at different wavelengths cannot generally be used in a given application. The designer must also choose fiber optimized to the operating laser's wavelength. Future use of opticalwavelength-division multiplexers (DWMs), relatively new devices that are fast being applied throughout the long-haul elecommunications network, may ultimately address the aforementioned power and wavelength constraints. Does anyone here have a feel for the applicability of DWDM and erbium doped fiber amplifiers to FC fabrics and switches? I'm guessing that throughput on the fiber would increase as well as the distance between devices and the switch. Could FC switches handle the 16, 40, 80 or 96 channels talked about for telecommunications? Would additional wavelengths on the fiber require a faster backplane or faster ASICs? As usual, I'm all questions and no answers. Anybody out there have a feel for this? Greg

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