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Forum Discussion
CM1200 Modem Losing Downstream Connection Several times a day (for about 60 sec)
All lights on modem say solid green except for downstream which blinks while internet is lost (generally about 30-60 sec). My ISP has sent techs out multiple times, latest was just this morning, but ...
As an end user of this modem, you do not have any control over the firmware update process. That is solely the responsibility of the ISP.
Have you tried the recessed reset button on the back?
To check the firmware version on your machine, compare here:
Carefully review the paragraphs at the top of the tables.
It has become a standard finger pointing process by the ISP toward end user owed hardware. The ISP wants you to rent/lease their hardware and contribute to their revenue stream.
It would be helpful if you posted a copy of your modem's cable connection page. In particular the downstream bonded channels, upstream bonded channels, and OFDM/OFDMA channels.
You can educate yourself on the modem power level requirements here:
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router