You could do a signal check remotely. You couldn't certify the line. How would you pull a new coax, or check that the end user didn't have a splitter between th

You could do a signal check remotely. You couldn't certify the line. How would you pull a new coax, or check that the end user didn't have a splitter between the modem and the tap? If you call tech support they lose a lot of money, and people at the bleeding edge tend to be the ones who call the most and take the longest to trouble shoot.