XPost: comp.dcom.frame-relay   
   From: look@my.sig   
      
   In comp.dcom.frame-relay, , CCIE8122   
    wrote:   
      
   >Additionally, once you hit about 8-10 T-1s in a single loc, it becomes   
   >cheaper to bring the T-1s across fiber, purchasing a MUXed DS-3 access   
   >from the LEC.   
      
   I'm not terribly experienced with DS-3 service to the customer, but   
   much of the LEC-to-AT&T DS-3 service is still coax (electrical) rather   
   than fiber (optical).  And all the DS-3 equipment I've encountered has   
   used coax, whether for Frame Relay, ATM, or IP.  Were you thinking of   
   OC-3 rather than DS-3?   
      
   Jack Dominey   
   AT&T Network Disaster Recovery   
      
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