[razingeden]

the SNR and the lock would be perfect at the drop using tech meter.

or, plugging your modem into your dmarc/outside box for a little bit would also confirm or deny this

[toast0]

Tech should plug the meter into where the modem is too, though, right? And if the SNR looks good at the dmarc and not at the modem, there's your problem... Tech can peace out if you don't have inside line coverage.