From: jishnu@nospam.verizon.net   
      
   On 7/9/2014 4:29 PM, Stephen Sprunk wrote:   
      
   > The guts of a digital switch don't take up much space at all.   
   >   
   > Most of the space is taken up by line cards, and it's the same amount of   
   > space for a line card serving a SLC (with 500+ POTS lines on it) as a   
   > line card serving one POTS line.  In a sense, the SLC is _part_ of the   
   > switch, just not physically located inside the CO.   
      
   Yeah the switch is mostly in the line card interface to the backplane.   
   So if one insists one could call the backplane together with the   
   controlling processor and auxiliary service cards (if any) "the switch".   
   No nice clunking and clattering pieces of metal jumping around. :)   
      
   --- SoupGate/W32 v1.03   
    * Origin: LiveWire BBS -=*=- UseNet FTN Gateway (1:2320/1)