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Forum Discussion
CM700 No Ranging Response received
Power and download lights are solid, upload light is blinking, internet light is off. Cox is telling me it’s the modem.
Take the booster out.
acceptable power levels for downstream is -7.5dbmv to 7.5dbmv. So a 1.0 is pretty perfect.
and if there's issues with the line, a booster only makes them worse
Thank you plemans . Without the booster downstream power is between -1.0 and 1.0, SNR is ~38 and upstream power is ~57.
I got the modem to start working by doing a factory reset.
without the booster your downstream levels are perfect but your upstream is pretty high.
Do you have an extender coax run? or an attuator/slitters in the line somewhere? usually the upstream levels are based off what the cmts needs to get a signal. And with downstream being spot on, the upstream shouldn't need to be that high.
There are a few generic couplers along the way if that is what you mean (simple coaxial cable connector to connect two coax cables end-to-end). There are no attenuators / boosters / splitters. Maybe I should upgrade to the gold-plated connectors?