Line Errors

Hi all,

Currently still battling with Openreach with regards to line speeds.

Had yet another chap turn up yesterday to look into it and, whilst speeds have increased slightly, there still appears to be errors on the line after around 24 hours.


Downstream Upstream
Actual Rate 58924 Kbps 15877 Kbps
Attainable Rate 58472 Kbps 15978 Kbps
Path Mode Fast Fast
Interleave Depth 1 1
Actual PSD 6. 7 dB 6. 9 dB
Near End Far End
Trellis ON ON
Bitswap ON ON
ReTx 0 0
SNR Margin 5 dB 6 dB
Attenuation 19 dB 24 dB
CRC 12430 211
FECS 168380 s 12686 s
ES 799 s 51 s
SES 0 s 0 s

AM i worrying over nothing?

There is nothing at all connected to the line, except the router, so have ruled out dodgy phones etc.

Thanks

What errors are you worried about?

The ES figure is the only important 1 that the DLM is interested in.

Your line had zero error protection (no G.INP and no Interleaving) so a decent amount of ES is expected.

The 24 hour limit for ES is either 1440 or 2880 depending on the ISP.

Perfectly normal level of errors in other words.

Ok great, thanks John.

As an update to this, turns out our home phone may have been causing the problems (according to engineer).

Anyway, unplugged and binned the old phone and ordered a new one.

In the meantime, over the day or so it took to deliver, the errors were very low, however, i plugged the new phone in this morning and the errors have shot up again.

This is a brand new panasonic cordless phone, using all the new cables etc.

Could there be a problem with the new filter fitted?

Its one of the new 5c ones.

Thanks

Have you a dangly filter you could plug in to the test socket?

In reply to a post by Alucidnation:

There is nothing at all connected to the line, except the router, so have ruled out dodgy phones etc.

Hi Alucidnation, I for one am confused as you initially posted above and now you've posted below.

In reply to a post by Alucidnation:

turns out our home phone may have been causing the problems

Sorry guys, i kinda worded it a bit wrong.

The engineer blamed the phone.

After he left, it turned out the phone was still plugged back in (hence the high errors) as its plugged in behind a cabinet and not easy to see.

The readings in the OP were after i discovered the phone was plugged in so i removed it took a screenshot and rebooted the router.

I ordered a new phone that arrived yesterday (errors were minimal), and this morning plugged it in and they shot up again.

These are after it was plugged in for less than a minute.


CRC: 50
FECS: 741
ES: 45

Now, 9 hours later..

CRC: 1022
FECS: 20053
ES: 863.

Also, My attainable rate has dropped from 58997 to 58642 ( for reference).

Just seems odd that having a phone plugged in, and not being used would cause any errors at all.




I do have one of the [censored] dangly filters so i could try that in the test socket.

Its always best to try a phone via a microfilter in the test socket as that will eliminate the faceplate and any internal wiring (if you have it).

Your old and new phones are they mains powered? it may seem a strange question but I have seen it when the mains feed wasn't clean and it has caused line interference although I realise its a long shot in your case.

Thanks ill give the dangly filter a go as i have three of them for some reason.

And yes, they are/were both mains powered, albeit plugged in a different socket but on the same circuit.

No internal wiring, so the OR pair come straight in to the back of the 5C.

The second engineer that came ripped out the MK4 filter plate and put the new one on before he did anything, so it might be the new filter.

Odd thing is, inbetween two of the many visits, the old phone was plugged in but registered very few errors, but that was when my sync speeds were way down.

Common problem with some DECT phones.

Double filtering has been known to help. In other words plug a dangly filter in to the the filtered faceplate, and connect the DECT phone to that and see if the errors go away.

Not the best looking outcome but simple if it works.