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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.
Thank you. I do not know but will ask the ISP about provisioning.
There are no splitters in line. There is a booster, because without it the power is less than 1.0.
There are no splitters in line. There is a booster, because without it the power is less than 1.0.
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.