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Author Topic: Fibre line erratic. Possibly wind related?  (Read 826 times)

zxcvbnm

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Fibre line erratic. Possibly wind related?
« on: February 11, 2018, 07:47:14 PM »

My line ran at about 40mbps down and 7 up for several months without much of a hiccup.

The last few months its varied from 19mbps down to 35mbps. Snr has gone from 4 to 20 I think and attenuation from 25-27. Power from 1.2 to 6volts.  Fair amount for fec errors.

I am suspicious that when there is a big gale it starts disconnecting  and that leads the exchange to dial down my speed.

I don't know if my stats offer much of a clue to anything? I have switched back from the EE Brightbox to my old hg612 router to get more stats.

https://www.mydslwebstats.co.uk/Container.htm zxcvbnm (last on the list).

Welcome any thoughts before I try and kick up a fuss with my isp. (Its actually not terrible at this moment but I suspicious it will go haywire again.

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zxcvbnm

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Re: Fibre line erratic. Possibly wind related?
« Reply #1 on: February 12, 2018, 10:13:46 PM »

Yup 25mph wind and rising, plus rain. Suddenly gone from 35mbps to 29 with attenuation from 25.1 to 26.4. more power too.

Snr from about 6 to now 11.

Grr. Maybe I should get a stepladder and coppice some overhanging branches.
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burakkucat

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Re: Fibre line erratic. Possibly wind related?
« Reply #2 on: February 12, 2018, 10:43:22 PM »

I have had your circuit as my "target" in MDWS from the day of your initial post.

At my initial look, the only thing which stood out was the the "fine-tooth flea-comb" effect in the DS1 & DS2 bands of the QLN plot. Seeing that makes me suspicious of the AC balance of the circuit.

Following your second post, I took another look and captured two images . . . that of a section of the recent SNRM plot and the QLN plot. (Attached below.) Seeing them both, I am inclined to say that there does appear to be a defect in the metallic pathway.

If you are certain that there is physical tree - drop-cable interaction, then some tree surgery would be appropriate. Depending upon the cable's condition, it may need to be replaced.  :-\
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Westie

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Re: Fibre line erratic. Possibly wind related?
« Reply #3 on: February 13, 2018, 04:02:04 PM »

Ouch! It looks as though last night was quite rough between 6pm and 9am this morning. :rain:

I hope you get to the bottom of the problem.... Want to borrow a chainsaw?
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burakkucat

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Re: Fibre line erratic. Possibly wind related?
« Reply #4 on: February 21, 2018, 06:07:16 PM »

Earlier this afternoon, I took a look at the circuit's statistics (via MDWS) and the SNRM plot was one of the craziest that I have ever seen . . .
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