Re: [uCsimm] HV capacitors on the LAN transformer

From: Chris Peterson (clp@alumni.caltech.edu)
Date: Wed Aug 15 2001 - 15:27:49 EDT


Transients of hundreds of volts also occur in category 5 cables due to
triboelectric effects and static buildup. It's a big problem in the networks
in large buildings with thousands of meters of wiring. The caps really
should be there for noise immunity, and they really do need to be high
voltage if you are running more than a few meters of cable.

Chris Peterson

----- Original Message -----
From: "Daniel Haensse" <daniel.haensse@fhk.usz.ch>
To: <ucsimm@uclinux.org>
Sent: Wednesday, August 15, 2001 7:44 AM
Subject: Re: [uCsimm] HV capacitors on the LAN transformer

> The rating is 2kV to even withstand pick-ups from an impact of a flash
> somewhere near the twisted pair line...

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