said by uid://653770 :uid://233016 Sounds good!
uid://1796259 that is his modem, he is also dealing with a second modem at a second location.
The plan is to replace the excessive wiring she has (a long coil rolled up with a zip tie running from a wall socket) with the splitter and wires pictured. The idea being the -3.5db splitter and terminator will drop her upstream signal to an appropriate value.
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