New Contributor II
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9 Messages
Same problem as many "Warning (5) Dynamic Range Window violation"
I have been dealing with internet speed issues for about a year now. I was told my modem was bad replaced that, I was told it was a problem with the cabling in the house (not covered) I installed a new homerun to the termination outside, then it was I was maxing my bandwidth so I upgraded to gigabit, then the cable again (replaced again) now I am being told the modem is bad again.
modems used: ARRIS SURFboard SBG6782-AC DOCSIS 3.0 Cable Modem and AC1750 Wi-Fi Router > Motorola 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0 > NETGEAR Cable Modem CM600
Current setup:
Modem: MOTOROLA MB8600 DOCSIS 3.1 Cable Modem
Router: Netgear Nighthawk R7960P Firmware Version V1.4.1.50_1.3.10
Any help is appreciated and welcome, anything other than its a bad modem or coax.
Error logs:
| 15:56:03 Thu Oct 29 2020 | Notice (6) | CM-STATUS message sent. Event Type Code: 2; Chan ID: 24; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CMMAC= |
| 15:56:04 Thu Oct 29 2020 |
Notice (6) | CM-STATUS message sent. Event Type Code: 5; Chan ID: 22 23 24 25; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CMMAC |
| 16:05:27 Thu Oct 29 2020 |
Notice (6) | CM-STATUS message sent. Event Type Code: 16; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CMMAC |
| 16:05:52 Thu Oct 29 2020 |
Notice (6) | CM-STATUS message sent. Event Type Code: 24; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CMMAC= |
| 16:33:22 Thu Oct 29 2020 |
Warning (5) |
RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC |
| 16:33:22 Thu Oct 29 2020 |
Warning (5) |
Dynamic Range Window violation |
| 17:58:35 Thu Oct 29 2020 |
Warning (5) |
RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC |
| 17:58:35 Thu Oct 29 2020 |
Warning (5) |
Dynamic Range Window violation |
| 17:59:54 Thu Oct 29 2020 |
Warning (5) |
RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC |
| 17:59:54 Thu Oct 29 2020 |
Warning (5) |
Dynamic Range Window violation |
And it keeps going, I can upload more if need be
system channel status
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Accepted Solution
Dave9
Contributor III
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251 Messages
The DRW violations are the least of your worries. You have major ingress on the 900 MHz ISM band (902 - 927 MHz) and moderate ingress on the lower band (300 - 450 MHz) as shown by the number of uncorrectable codewords on those channels. It's caused your modem to lose partial service at least once as shown by the CM-STATUS event code 2 (QAM/FEC lock failure) and it's probably happened a lot more than that. If you've replaced your interior coax with brand new high quality RG6 then the problem lies outside of your home and maybe off of your property. Only a Cox technician can identify and fix that type of problem.
1
Allan
Moderator
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2.3K Messages
3
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jlh2017
New Contributor
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2 Messages
The only thing that will help is a new internet service. Cox does not help their customers they just take your money .
1
ChesapeakeChris
New Contributor III
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20 Messages
What is your Mbps speed from your router via ethernet and your WiFi speed standing next to your router (both 2.4 GHz & 5 GHz)?
What is the speed you are paying for?
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