North American Network Operators Group

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Re: DS3 Coax..

  • From: David Lesher
  • Date: Sat Apr 19 21:23:45 2003

Speaking on Deep Background, the Press Secretary whispered:
> 
> 
> Definately.
> 
> You most emphatically do NOT want copper going across your parking lot.
> Besides the danger from lightning strikes and other electrostatic discharges
> you run the risk of ground potentials differing significantly.  You could
> wind up with a significant amount of current flowing across the coax just to
> balance building grounds.  (This is why telcos insist on a single ground
> point and have that point connected to an array of ground rods driven deep
> in the ground.)

Agreed.

Fiber is Your Friend [tm]. 

Ground loops and potential differences will not only have you
ripping your hair out, but you stand to lose DS-3 ports. Now
some guy told me that such costs a bit more than the RS-232 &
Ethernet ports I regularly see die, but that's likely just a rumor.




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