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Forum Discussion
jasonrdavis
Aug 04, 2017Aspirant
What does a flashing green upstream light mean on the CM500 modem?
I am troubleshooting a problem with my CM500 cable modem where the Internet sporadically drops or partially drops. What does a flashing green upstream light mean? I have looked in Netgear's offi...
vkdelta
Aug 04, 2017NETGEAR Employee Retired
If you ONLINE LED is SOLID GREEN and US is FLASHING GREEN, that means, device is in PARTIAL US SERVICE.
Most likely, there are IMPAIRMENTS in the cox line which is causing not all USs to connect.
jasonrdavis
Aug 04, 2017Aspirant
Can you be more specific? What does partial upstream service mean?
Here's a sample of what I was seeing during one of those outages: