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Author Topic: RFI identified but whats the cure?  (Read 27481 times)

Ezzer

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Re: RFI identified but whats the cure?
« Reply #105 on: May 19, 2014, 08:29:39 PM »

Sorry NewtronStar, I was skimming through most posts so I didn't note the HR issue. Although Like many here I do sometimes answer with half an eye towards anyone else reading the same post.  :)
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NewtronStar

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Re: RFI identified but whats the cure?
« Reply #106 on: May 19, 2014, 08:52:14 PM »

Sorry NewtronStar, I was skimming through most posts so I didn't note the HR issue. Although Like many here I do sometimes answer with half an eye towards anyone else reading the same post.  :)

No worrys Ezzer it won't show up in this thread, but I do have other posts on the forum that delves into possible beginnings of an HR fault  ;)
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NewtronStar

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Re: RFI identified but whats the cure?
« Reply #107 on: May 20, 2014, 01:07:26 AM »

Another retrain at 00:56 and TBH lost count in how many i've had in the last 5 days the last one was this morning at 07:52 it must be like 12 this is unusual even for me  :-\

« Last Edit: May 20, 2014, 01:12:31 AM by NewtronStar »
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Bald_Eagle1

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Re: RFI identified but whats the cure?
« Reply #108 on: May 20, 2014, 08:50:47 AM »

Well, a DLM resync this morning cost me my fastpath connection with a 3 Mbps reduction in DS sync speed.

I can see the start of the 'problem' at around 2 pm yesterday, but as I had accidentally disabled the logging task last night by messing about with GUI/ini file settings to deal with a couple of user reported issues, I can't quite see the full story.

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perry081064

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Re: RFI identified but whats the cure?
« Reply #109 on: May 20, 2014, 09:13:37 AM »

Well, a DLM resync this morning cost me my fastpath connection with a 3 Mbps reduction in DS sync speed.

ouch  :(
sorry to hear that BE1 , it seemed like it was holding well for a while.

incidently , im still waiting for a retrain , stats have remained around the same throughout the past 11 days.

( again , cant post any graphs becouse my server had a windows update and shut itself down a few days ago)

Stats recorded 20 May 2014 09:11:48

DSLAM/MSAN type:           IFTN:0xb203 / v0xb203
Modem/router firmware:     AnnexA version - A2pv6C035m.d22g
DSL mode:                  VDSL2
Status:                    Showtime
Uptime:                    11 days 9 min 18 sec
Resyncs:                   0 (since 20 May 2014 08:53:06)
         
            Downstream   Upstream
Attenuation (dB):                
Connection speed (kbps):   50706      20000
SNR margin (dB):           6.3      6.5
Power (dBm):               13.1      6.4
Interleave depth:          993      1
INP:                       3.00      0

RSCorr/RS (%):             2.1242      0.9185
RSUnCorr/RS (%):           0.0169      0.0000
ES/hour:                   0.29      5.18

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NewtronStar

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Re: RFI identified but whats the cure?
« Reply #110 on: May 20, 2014, 09:08:55 PM »

Well, a DLM resync this morning cost me my fastpath connection with a 3 Mbps reduction in DS sync speed.

I can see the start of the 'problem' at around 2 pm yesterday, but as I had accidentally disabled the logging task last night by messing about with GUI/ini file settings to deal with a couple of user reported issues, I can't quite see the full story.

I don't know BE1 is this my 3rd retrain in under 24 hours the last one occured at 19:19 this evening starting to wonder by installing the MKII and BT80 RF3 is the cause of all this  :-\

it keeps going from retrain reason 1 to 4 then back to 1 ?
« Last Edit: May 20, 2014, 09:11:51 PM by NewtronStar »
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Bald_Eagle1

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Re: RFI identified but whats the cure?
« Reply #111 on: May 20, 2014, 09:56:21 PM »

According to something asbokid posted a long time ago, these are the retrain reasons:-

Retrain Reason Los Detector           0
Retrain Reason Rdi Detector           1
Retrain Reason Negative Margin        2
Retrain Reason Too Many Us FEC        3
Retrain Reason CReverb1 Misdetection  4



Unless I'm mistaken, your sync speeds are improving with each resync aren't they?

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NewtronStar

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Re: RFI identified but whats the cure?
« Reply #112 on: May 21, 2014, 12:08:06 AM »

According to something asbokid posted a long time ago, these are the retrain reasons:-

Retrain Reason Los Detector           0
Retrain Reason Rdi Detector           1
Retrain Reason Negative Margin        2
Retrain Reason Too Many Us FEC        3
Retrain Reason CReverb1 Misdetection  4



Unless I'm mistaken, your sync speeds are improving with each resync aren't they?

Yes the sync has been improving from 19999Kbps to 24397Kbps and then 27397Kbps and then the US was but back onto fastpath, and yes I see what your getting at because I lost so much due to my stupid BT80 RF3 wireing mistake the DLM is having to work overtime to get me back to where it thinks was the norm for my line.
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NewtronStar

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Re: RFI identified but whats the cure?
« Reply #113 on: May 22, 2014, 09:56:46 PM »

Done as much as I can at my end to see if the RF3 helps on VDSL2 circuit, as for the Tones going missing in the evening there has been less fragmentation on the tones in question but it's still noticeable, one thing that is good is the SNR dB at the higher frequency tones (D2) has increased from 6dB to 9-12 dB (more bits in those tones) and the CRC errors have been very low, though I am wondering as the INP rose from 3.00 to 8.00 a few weeks ago this may be the reason for fewer CRC errors.
« Last Edit: May 22, 2014, 10:01:27 PM by NewtronStar »
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