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Re: Continuous Blinking Downstream Light on CM1200
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Continuous Blinking Downstream Light on CM1200
I just upgraded my cable package to 500Mps with Cox Cable. DIdn't have any issues before I added the new hardware. Now the downstream lights and continuous blinking after a few hours of resetting the CM1200 modem. After a few weeks my router started dropping connections. I updated the firmware on the XR1000 and performed a factory reset.
Can someone help me interpret these logs from the modem?
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Re: Continuous Blinking Downstream Light on CM1200
What Firmware version is currently loaded?
Please post a copy and paste of the modems connection status page.
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Re: Continuous Blinking Downstream Light on CM1200
Firmware V2.02.03 which is listed on the Cox website.
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Re: Continuous Blinking Downstream Light on CM1200
Gotcha, my router also started disconnecting. I updated the firmware and did a factory reset. I will post that if and when the issue resumes again. It did have several uncorrectables in the right columns. Now it's at 0.
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Re: Continuous Blinking Downstream Light on CM1200
Need to know the power levels across all channels.
Also, Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP. Indicates a signal issue on the ISP line up to the modem.
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Re: Continuous Blinking Downstream Light on CM1200
Sure enough it started happening again this morning.
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Re: Continuous Blinking Downstream Light on CM1200
Seing some correctables on the higher channels but nothing too bad.
Please post another event log data page.
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Re: Continuous Blinking Downstream Light on CM1200
Well no Criticals, Errors or Warnings this time. Thats good.
Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended.
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
Start with removing any amplifiers, signal attenuators, or splitters from the coax.
From there check the line for kinks, damage, moisture in the line.
Check the connectors for improperly made ends, foil touching the copper coax line, loose connections, bad/old/cheap connectors, or corroded connections. Replace them if you do.
Be sure to power OFF the modem for 1 minute then back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Mod...
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
https://highspeed.tips/docsis-events/
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