Constant intermittent DS Partial Service Fallback: MDD Lost errors

[mkolinsk]

I have photos but I can seem to figure out how to post them. I don't see the same screens in the posts that explain how to do it !!!  I get a pop-up with source, image description & dimensions...

[MsRaye]

post them to Imgur then copy the direct link which ends in PNG or JPG

 Paste that link in the photo-URL tab

[mkolinsk]

http://imgur.com/a/BqcAJ

• One pic of tap
• Two other pics of underground line and an Amp? - THESE COULD NO LONGER BE IN USE AND OLD BUT SAW THEM AND DECIDED TO TAKE PICTURES

[MsRaye]

Is this a tree root pulling a drop out of the ground or is that a larger 3/4" trunk line.. ?

[MsRaye]

This looks cobbled together, left and right hardline "stingers" are of different types... something has been patched together.

[agentx5]

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@mkolinsk wrote:

http://imgur.com/a/BqcAJ

• One pic of tap
• Two other pics of underground line and an Amp? - THESE COULD NO LONGER BE IN USE AND OLD BUT SAW THEM AND DECIDED TO TAKE PICTURES

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Right there where I circled in red, that's going to cause issues for all three customers on that tap.

It's hard to tell with the picture quality but it sure looks like metal braids sticking out the back of the fittings (can cause some pretty bad ingress, and egress, basically a signal leak), and the coax looks like it's being crushed with too tight of a turn (causes impedance mismatch)

The one nice thing I see is how they seem to be labeled with the house/appartment numbers, and that there's a terminator on the port on the left side to prevent any leak there.

I have a feeling the wires are getting bent too much trying to cram into that rather small pedestal, that's probably how it got like that in the first place.

[mkolinsk]

When I had opened it up, the extreme bend right where you have circled @agentx5 stuck right out because I thought it is a malpractice to bend coax like that. I went back and looked just now and there are not any braids showing and no apparent cuts in the plastic jacket. I did straighten it out a bit and I also check the connections on that section of coax. It wasn't even finger tight to the tap. I turned it several times by hand and then finished it with about 1/4 or more turn with a 7/16 wrench.

With all this being said, does that section of coax need to be replaced or do we just see if the tightening of that connection has any inmpact? Did that tight turn in the coax permanently damage it or might it be okay? 

Thanks again @MsRaye and @agentx5 for all the help. I really feel like we are finally getting somewhere now :-) 

[mkolinsk]

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@MsRaye wrote:

Is this a tree root pulling a drop out of the ground or is that a larger 3/4" trunk line.. ?

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@MsRaye It is a tree root pulling a drop out of the ground. I don't know if that is an active drop or 1 of the first 2 drops that have since been replaced by the existing (3rd) drop. 

[mkolinsk]

I restarted my modem and my neighbor's just have a clean slate after tightening that connection and straightening the bend. Here is my signal page for a baseline. 

DownstreamBonding Channel Value

Channel ID	17	18	19	20	21	22	23	24
Frequency	555000000 Hz	561000000 Hz	567000000 Hz	573000000 Hz	579000000 Hz	585000000 Hz	591000000 Hz	597000000 Hz
Signal to Noise Ratio	38 dB	39 dB	39 dB	39 dB	39 dB	39 dB	38 dB	38 dB
Downstream Modulation	QAM256	QAM256	QAM256	QAM256	QAM256	QAM256	QAM256	QAM256
Power Level	3 dBmV	3 dBmV	3 dBmV	3 dBmV	3 dBmV	3 dBmV	3 dBmV	3 dBmV

UpstreamBonding Channel Value

Channel ID	4	2	3	1
Frequency	37000000 Hz	24200000 Hz	30600000 Hz	19400000 Hz
Ranging Service ID	7772	7772	7772	7772
Symbol Rate	2.560 Msym/sec	5.120 Msym/sec	5.120 Msym/sec	2.560 Msym/sec
Power Level	39 dBmV	36 dBmV	37 dBmV	36 dBmV
Upstream Modulation	[3] QPSK [3] 16QAM	[3] QPSK [1] 16QAM [2] 64QAM	[3] QPSK [1] 16QAM [2] 64QAM	[3] QPSK [2] 16QAM
Ranging Status	Success	Success	Success	Success

Signal Stats (Codewords)Bonding Channel Value

Channel ID	17	18	19	20	21	22	23	24
Total Unerrored Codewords	4935265	3889651	3898629	3906463	3883326	3884414	3887524	3915705
Total Correctable Codewords	1	1	0	1	13	44	14	43
Total Uncorrectable Codewords	1451	1358	556	1351	1521	1475	1569	1510

TimePriorityCodeMessage

Aug 31 2016 22:23:33	6-Notice	I401.0	TLV-11 - unrecognized OID;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 31 2016 22:23:33	5-Warning	Z00.0	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15	6-Notice	N/A	Cable Modem Reboot from GUI/Configuration page ;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 22:32:48	6-Notice	I401.0	TLV-11 - unrecognized OID;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 22:32:48	5-Warning	Z00.0	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15	6-Notice	N/A	Cable Modem Reboot from GUI/Configuration page ;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 21:32:53	5-Warning	T202.0	Lost MDD Timeout;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 21:32:53	5-Warning	N/A	DS Partial Service Fallback: MDD Lost-> CM in DOCSIS 3.0 Recovery Mode ;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 17:54:58	5-Warning	T202.0	Lost MDD Timeout;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 17:54:58	5-Warning	N/A	DS Partial Service Fallback: MDD Lost-> CM in DOCSIS 3.0 Recovery Mode ;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 16:05:24	6-Notice	I401.0	TLV-11 - unrecognized OID;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Aug 30 2016 16:05:24	5-Warning	Z00.0	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:17:10:8b:6b:12;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:15	6-Notice	N/A	Cable Modem Reboot from GUI/Configuration page ;CM-MAC=b0:77:ac:2c:aa:26;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;

[MsRaye]

any idea if it was your drop that was 2 turns loose? And was TWC out and didn't tighten it properly? Their techs are supposed to have both a 7/156 and 9/16 torque wrench for the rg6 and rg11 connector nuts. They'r set to click at 11 inch pounds.

1 loose connector can affect all 3 ports, the worst will be the one that's loose