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Re: [RFI] ethernet EMI revisited - questions for the pros

To: rfi@contesting.com
Subject: Re: [RFI] ethernet EMI revisited - questions for the pros
From: "Martin Ewing" <martin.s.ewing@gmail.com>
Date: Wed, 26 Nov 2008 02:55:27 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On Tue, Nov 25, 2008 at 5:29 PM, Leigh L. Klotz, Jr. WA5ZNU <
Leigh@wa5znu.org> wrote:

> ...
>
> Here's what I did: I went to fiber.  It's not that expensive, especially
> surplus or on eBay.  Fiber with ST connectors (they look like tiny BNC
> connectors) is fairly cheap.  I've found ten-dollar 10 MBbit PCI cards
> that look exactly like copper Ethernet cards, only with a fiber transducer
> instead of ethernet magnetics.  I've found $40 transition boxes that go
> between 10MBit or 100MBit and fiber.   Stick a 10MBit one of these on your
> router and the PCI Card in your computer and you have only eliminated
> 100MBit from your router, and achieved total galvanic isolation from your
> computer to the ethernet box (note: don't do this if you are that one guy
> in DC who has *more* than 10MBit from your cable provider).
>
> ...
> Leigh/WA5ZNU


How do you do random length "infrastructure" cabling with fiber?  All I see
are pre-cut and terminated jumpers for sale.  I assume that means that
cutting and terminating fiber is a non-trivial operation?

73 Martin AA6E


-- 
Martin Ewing, AA6E
Branford, CT
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