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Should the RECEIVE led light ideally always be blue or is it normal to sometimes be green?

R
The Many
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Should the RECEIVE led light ideally always be blue or is it normal to sometimes be green? Sometimes it changes to green meaning it’s in DOCSIS 3.0, and stays there until i power cycle the modem. Is this less than ideal? Does this indicate a problem with the coaxial line

Best answer by plemans

Tends to indicate an issue. If you have docsis 3.1 in your area, it should be blue. It only drops to green when the docsis 3.1 goes down and it reverts to docsis 3.0. 

Do you have a screen snip of the cable connections page and event logs?

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plemans
Juggernaut
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  • plemansJuggernaut
  • Juggernaut
  • January 4, 2023

Tends to indicate an issue. If you have docsis 3.1 in your area, it should be blue. It only drops to green when the docsis 3.1 goes down and it reverts to docsis 3.0. 

Do you have a screen snip of the cable connections page and event logs?

Current setup: Netgear CM3000-->Netgear RBE973S-->2.5gig tp-link switch, Xfinity 2.4gig/350mbps
R
The Many
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  • racerviiiThe Many
  • The Many
  • January 5, 2023

I failed to mention I had my coax cable hooked up to a surge protector on a power strip. I'm going to bypass that and hook up straight to my modem and see how it goes. I think the surge protector is causing the issue.

R
The Many
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  • racerviiiThe Many
  • The Many
  • January 7, 2023

Sorry. I failed to mention that I had my coax hooked up to a surge protector. I removed that and it’s straight to the modem now and the RECEIVE led is staying blue now. The surge protector was causing the issue.

plemans
Juggernaut
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  • plemansJuggernaut
  • Juggernaut
  • January 7, 2023

Glad it was something simple! Hope it stays working well for you

Current setup: Netgear CM3000-->Netgear RBE973S-->2.5gig tp-link switch, Xfinity 2.4gig/350mbps
A
The Many
  • AlanZduThe Many
  • The Many
  • January 20, 2023

A follow up question -  What would cause docsis 3.1 to go down?  Is this due to a problem originating from the ISP?  A few days ago the RECEIVE light on my SB8200 periodically started changing from blue to green and back again.  Yesterday it stayed green until I turned the modem on/off.  Now it is blue again. Speed is still the same either way.

plemans
Juggernaut
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  • plemansJuggernaut
  • Juggernaut
  • January 21, 2023

Many things can cause it to drop between the 2. 

Tends to be (again) be line issues causing problems. 

but tough to diagnose without the cable connections page and event logs. Those help check the line. 

 

Current setup: Netgear CM3000-->Netgear RBE973S-->2.5gig tp-link switch, Xfinity 2.4gig/350mbps

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