Downstream Power levels

[Adamprice1893]

Hi All,

please could you arrange a tech to fix the power levels they seem to have risen recently i am noticing issues on VOIP every one goes full robot after looking at the various pages i can see my power levels are out of spec - 1GB package - Hub 5 - connected to 2.5gb port on pc speeds are fantastic

i would like the power levels brought into spec.

Attached router info

[Adamprice1893]

Network Log

Time Priority Description
13-01-2023 15:22:28 warning RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=************;CMTS-MAC=**************;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 15:22:28 warning Dynamic Range Window violation
13-01-2023 12:36:18 notice CM-STATUS message sent. Event Type Code: 3; Chan ID: N/A; DSID: 658066; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=***********;CMTS-MAC=**********;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:48 warning Unicast DSID PSN startup error
13-01-2023 12:35:35 notice US profile assignment change. US Chan ID: 6; Previous Profile: 13; New Profile: 12 13.;CM-MAC=***********;CMTS-MAC=**********;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:35 warning DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=***********;CMTS-MAC=************;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:31 notice REGISTRATION COMPLETE - Waiting for Operational status
13-01-2023 12:35:25 warning Dynamic Range Window violation
13-01-2023 12:35:25 warning Dynamic Range Window violation
13-01-2023 12:35:25 warning RNG-RSP CCAP Commanded Power Exceeds Value Corresponding to the Top of the DRW;CM-MAC=***********;CMTS-MAC=********;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:25 warning RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=*************;CMTS-MAC=***********;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:25 warning Dynamic Range Window violation
13-01-2023 12:35:25 warning REG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=***************;CMTS-MAC=************;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:25 warning RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW;CM-MAC=*************;CMTS-MAC=**************;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:19 notice DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=************;CMTS-MAC=*************;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:07 warning DHCP WARNING - Non-critical field invalid in response ;CM-MAC=*************;CMTS-MAC=********;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:35:05 notice Honoring MDD; IP provisioning mode = IPv4
13-01-2023 12:34:54 critical SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=***********;CMTS-MAC=********;CM-QOS=1.1;CM-VER=3.1;
13-01-2023 12:34:42 critical Cable Modem reset to Factory Default via reset button

[Tudor]

Yes, it looks like you need a forward path attenuator or changes in the street cabinet, unless there is an area fault.

Check with Area faults on 0800 561 0061 If you have a VM landline 150 this goes down to post code level. You could also try the web page status, but this is not recommended as it only covers issues that affect a very large number of customers.

VM will not dispatch any technicians while an area fault exists.

If no area faults found:

The primary place to report faults or for service requests is Customer Services on 0345 454 1111/150 if you have a VM landline or wait two or three days for a VM staff member to get to your post.

[gitty]

The actual reason for your issue is not the downstream power levels, but the technician will probably put something on your line that will lower it / flatten it in the process of fixing the issue.

[Adamprice1893]

Thanks for the info i put 6db Forward path att on and its brought this down now and seems to be running ok again.

i did check for faults before posting and didn't see anything as well.


<a title="Broadband Ping" href="https://www.thinkbroadband.com/broadband/monitoring/quality/share/1bb69eb0adaf9eb9cad070671d85e91acb...">My Broadband Ping</a>

any one know why its doing this for a few hours at a time? just seems a little odd

[Ashleigh_C]

Hi there @Adamprice1893

Thank you so much for your post and welcome back to the community forums. 

I'm so sorry to see that you are facing issues with your connection and I have checked things on my side and can see that an engineer is needed. 

I will pop you a PM across now, please keep an eye out for the purple envelope in the top right corner of your screen alerting you to a new message. 

[Ashleigh_C]

Hello again

Thanks so much for your private message and confirming your address, I have now booked you a visit for your connection– you can check the date and time via your online account here. If you have any issues with accessing your online account or unable to see your visit, please do let us know and we’ll pop you a message to confirm.

There will be no charge for this visit unless:
• The technician diagnoses the faults as not being caused by our network/equipment 
• The technician discovers that the fault or problem relates to your equipment
• The technician discovers that the fault or problem relates to any system that we are not responsible for
 

The technician will confirm during their visit if any of these instances apply, and if so, a £25 charge will be applied to your account. 
 

Please ensure there is someone over the age of 18 present at the time of the visit. If you need to change or cancel your appointment you can do this online or via the My VM app by 4pm the day before the appointment.
 

If you do miss an agreed appointment for any reason, a £25 missed appointment charge will be applied to your account on the day of the appointment