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Forum Discussion
cjzjeeps
Nov 25, 2020Aspirant
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.
plemans
Nov 26, 2020Guru - Experienced User
and if there's issues with the line, a booster only makes them worse
cjzjeeps
Nov 27, 2020Aspirant
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.
- plemansNov 27, 2020Guru - Experienced User
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.
- cjzjeepsNov 27, 2020Aspirant
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?
- plemansNov 27, 2020Guru - Experienced User
Move the modem to right where the coax enters the house and hook it up. take the screen snips again from there and post them. Plus use it and see how it works. This makes sure it isn't the wiring within the house causing the issues. many isp's charge for a line check if the issue is interior to the house.