RE: [SI-LIST] : FCAL DB9 cable shield

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From: Farrokh Mottahedin ([email protected])
Date: Tue Nov 16 1999 - 17:06:27 PST


Copper media is generally used for "inside-the-box" and other applications
much shorter than 30 meters. For box-to-box and longer distances, fiber
optic media is used which is inherently EMI,ESD, and RFI proof.

Farrokh Mottahedin

Quantum Corp.
500 McCarthy Blvd.
Milpitas, CA 95035

-----Original Message-----
From: Tom gandy [mailto:[email protected]]
Sent: Tuesday, November 16, 1999 3:21 PM
To: [email protected]
Subject: RE: [SI-LIST] : FCAL DB9 cable shield

Wouldn't this cause nasty galvanic currents through the shield if the two
pieces of equipment, attached by the cable with the DB9s, were, say, on two
different phases of a three phase power feed to a building.

Am I missing something?

thanks

Tom Gandy
Industrial Catalyst

>Fibre Channel DB9 Cables from Amphenol and W.L. Gore (with and without
>built-in equalizer) short the shield to the plug housing on both ends.
>
>
>Farrokh Mottahedin
>
>Quantum Corp.
>500 McCarthy Blvd.
>Milpitas, CA 95035
>

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