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[waltergmw]

Gentlefolk,

I thought I'd post these pictures of a Thompson TG 784 and 2Wire 2700 HGV to illustrate helpful data (and higher sync speed) with the 2 Wire and in case anybody had any thoughts on any other useful diagnostics we might try to help BT O with this long running fault on a long line.

The evidence we have is that the 17070 Option 2 Quiet Line Test produces a low volume double tick, about every second, similar in frequency to the "Ring Ring" frequency and that on about 50% of the attempts doing a 17070 Option1 Ring-back test both modems loose sync.

Note that the 2 Wire gives estimates of an actual line attenuation and, more importantly, provides timed records of the failures from re-boot time.
(If I were to enter the authentication data the time would be shown in GMT.) I am assuming the errors it reports are Loss Of Signal time limits, but just what that time is I know not.

Kind regards,
Walter

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[geep]

Hi Walter,

I am assuming the errors it reports are Loss Of Signal time limits, but just what that time is I know not.

I think that the time you refer to is when the line retrains.
ERR_LOS_LIMIT - Retrained due to loss of signal   according to the manual I found somewhere on 2Wire's website which defined some of the Error Codes.

I think that the time should correlate with the time given by:
"DSL Training Errors" - "Time Since Last Event" on "Broadband Link Detailed DSL Statistics".

Cheers,
Peter