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echo: lan
to: WILL HARGRAVE
from: BRUCE LEGRANDE
date: 1998-03-10 22:31:00
subject: WTB: Hub and Cable(s)

Will Hargrave wrote in a message to Bruce LeGrande:
 BL> I've been able to minimize the RFI from the computers themselves
 BL> by extreme measures of shielding and grounding, and I don't want
 BL> the LAN to be a new source of noise.  So, stray RF is my main
 BL> concern and reason for prefering STP.  Do you still disagree ?  ;)
 WH> I'm not convinced how much RF a twisted pair with common mode
 WH> rejection will give out.
 WH> Why not use 10Base2 if RF causes problems? STP would probably need
 WH> STP equipment, network cards, etc.
Hmmm...  Good idea Will, and I had originally planned on a BNC network, but 
unfortunately the NICs that the seller advertised as "2/T" - showed up as "T" 
units.  Since the price was pretty good ($9 for 4 SMC NICs, $5 for 2 3COM 
NICs), I decided I'd give them a try.  The NICs are set up to allow 
connection to STP RJ-45's, and I figured if the hub was going to be too 
pricey for an STP model - I'd just put it in an RF-tight 'box' and run a 
drain wire from the shell of the RJ-45's to a common ground inside, after 
running the cables through grommet (not the dog :) holes/slots in the box.
Sincerely,
           Bruce - kb6lwn@juno.com - ck@saber.net
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