We often use a pair of modem i.e. G-703 & V-35 at each end of a leased line of speed higher than and equal to 64 Kbps to have inter data communication between the datacom equipments connected at each end of leased line. What functions are accomplished by each of the modem i.e. G-703 & V-35.
Is there a way to tell if my ISP provider is leasing out T1 to other companies?
Does anybody know of a study that lists failure probabilities for leased lines? I just had one of my offices in San Francisco dropped off line for a week because the two T-1's going into the office failed when the manhole they run through flooded. I need to come up with fault tolerance plans for...


