Replacement for Arris cornerstone NIU
My Cox internet connection is via a legacy Arris NIU. The coax from the street connects to the Network port and the coax feeding my cable modem connects to the Home port. There are a couple of voice ...
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Tired of waiting, I pulled the NIU and put in a grounding block, and put my garage back in order.
The CM numbers are within the recommended ranges across all channels with no errors so far:
Downstream +8 to -8 dBmv (meas -2.2 to -4.3dBmv)
Upstream 40 to 50 dB (meas 45 to 47dBmv)
SNR 35 to 45dB (meas 40 to 42dB)
Looks like I didn't need a service call for this.
