From: nasadowsk@usermale.com   
      
   In article ,   
    Stephen Sprunk  wrote:   
      
   > Lots of folks bought into fiber vendors' claims that copper couldn't   
   > handle anything better than 10Mb/s.  Then 100Mb/s Ethernet appeared,   
   > which only required slightly better quality copper, and a few years   
   > after that 1Gb/s Ethernet.  Interest in fiber mostly evaporated.   
      
   For water and wastewater treatment plants of anything beyond a small   
   scale, fiber is becoming very common, as it has a lot of advantages in   
   terms of noise immunity.  In fact, the last three sewer plants I did the   
   I&C for, all used fiber rings of between 100megabit and 1 gigabit in   
   speed.  The equipment is pretty cheap, fiber's cheap these days, and the   
   advantages outweigh the slightly higher initial cost.   
      
   I have a few customers that didn't go fiber and have regretted it...   
      
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