Here is the upstream. He checked at the house, ground block and the tap. He said things were bad at the ground block and good at the tap, so that is why he thinks it is the drop. He said he had to call maintenance to replace the drop. It's about a 100 feet or so from the tap to the ground block. He was a contractor, so I'm guessing he wasn't equiped to replace it.
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I have a netgear CM1100 modem that is a couple months old. When we first got it, we were getting 160 MBPs+. We were having internet issues yesterday and I checked and we are only getting 33MBPs(measured with computer plugged directly into modem). A tech came out today, didn't really seem familiar with looking at the channels powers from the modem. I pointed out that the power levels are too low on one of the channels and last night I had seen a high number of uncorrected codewords on that channel. He hooked up his device to our cable and said he was seeing an issue, and then he measured at the street and our house and thinks it is the drop. I am not 100% sure he is right since he was saying upstream power was too low, which didn't make sense to me since the issue seems to be with the downstream. Anyway, my question is, would an issue with the drop cause the power to be too low at the low frequencies? Is an issue on just 1 or 2 channels enough to drop our speeds from 150-180MBPs to 33? See screenshots of the downstream power levels. Notice how they are lower at low frequencies and then stabelize to around 5dBmv at the higher frequencies. The logs are showing some warnings.
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