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Internet disconnections with "No Ranging Response received - T3 time-out" error on Router logs

  • 26 november 2020
  • 32 reacties
  • 523 keer bekeken


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32 Reacties

Reputatie 6
Badge +7

Unfortunately, attenuating the signal will increase US power levels, these must not be higher than 49 dBmV, preferably around 42 dBmV.

Perfect DS power levels would be around 0 dBmV, however current levels should be just about acceptable.

The levels are definitely still on the high side, but should not be causing the modem to drop offline anymore.

Thanks for confirming @Tom.’s question.

Thank you @tobiastheebe and @Tom. 


Ok, I will keep an eye on that. If it is there any other action to avoid these disconnections, maybe attenuating somehow the downstream levels I am all ears ;)
 

Reputatie 6
Badge +7

The levels are definitely still on the high side, but should not be causing the modem to drop offline anymore.

Thanks for confirming @Tom.’s question.

Do you use a TV signal amplifier?

No, but I was not using the splitter in between.

Your downstream signal, coming from the distribution amplifier on the street, is too strong. This can be mitigated by placing a splitter (POA-01-B) on the AOP/demarc, which will attenuate the signal by 3.5 dB. The splitter should have been included in the modem installation package.

Preferably, your demarc should be connected to a weaker output on the amplifier. Even with the splitter between demarc and modem, the signal will still be slightly too strong.

Thank you @tobiastheebe 

I placed the splitter and levels went down around 3,5 dBs as you said. Do you think the levels are still too high?

 

 

Reputatie 7
Badge +13

Do you use a TV signal amplifier?

Reputatie 6
Badge +7

Your downstream signal, coming from the distribution amplifier on the street, is too strong. This can be mitigated by placing a splitter (POA-01-B) on the AOP/demarc, which will attenuate the signal by 3.5 dB. The splitter should have been included in the modem installation package.

Preferably, your demarc should be connected to a weaker output on the amplifier. Even with the splitter between demarc and modem, the signal will still be slightly too strong.

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