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Administrator MrSaffron
(staff) Wed 28-Sep-16 17:03:33
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Re: BT Trying to raise a charge for an SFI engineer


[re: PiKe] [link to this post]
 
If does this when using the test socket and no other phone sockets work then probably a High Resistance (HR) fault on the line. Traditionally problematic to identify until so bad the line fails totally

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User PiKe
(knowledge is power) Tue 22-Nov-16 11:04:00
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Re: BT Trying to raise a charge for an SFI engineer


[re: MrSaffron] [link to this post]
 
2 months on, 3 engineer visits later and finally we are told there is an earth leakage on the line? Oddly the voice side of the line is perfectly fine.
Standard User Zarjaz
(eat-sleep-adslguide) Wed 23-Nov-16 20:08:11
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Re: BT Trying to raise a charge for an SFI engineer


[re: PiKe] [link to this post]
 
and finally we are told there is an earth leakage on the line?

Was the engineer using a JDSU or Exfo tester ? There has been a big update to the JDSU this week, and ever since I have seen some odd pair quality test results, many showing what it interprets as an earth contact/low insulation.


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Standard User PiKe
(knowledge is power) Thu 08-Dec-16 13:29:30
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Re: BT Trying to raise a charge for an SFI engineer


[re: Zarjaz] [link to this post]
 
This is still ongoing, 6 or 7 engineers have been out now - I've lost count.

Everything bar the D-side has been changed but they can't change it because there's no spare capacity.

The broadband seems to be fine if there's only relatively little traffic, but as soon as you start to stream, it can knock it off.

This is on different routers too so its not like its the router crashing.

Is this behaviour even possible? I thought once a sync was established, it didn't matter how much traffic was put over it.
Administrator MrSaffron
(staff) Fri 09-Dec-16 12:01:26
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Re: BT Trying to raise a charge for an SFI engineer


[re: PiKe] [link to this post]
 
Very much a case of monitoring the error rates shown by the modem and see if these start to rise just before the modem gives up and resyncs.

Modems will hang onto a poor line when their is very little traffic as it can deliver the small amounts and tolerate the errors.

This may be a scenario where using different modems where the way they handle errors is treated differently i.e. some drop the line and resync at the drop of a hate, whereas others tolerate errors for longer allowing you to get stuff done even if speeds are curtailed slightly.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User PiKe
(knowledge is power) Wed 21-Dec-16 14:08:23
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Re: BT Trying to raise a charge for an SFI engineer


[re: MrSaffron] [link to this post]
 
Lost count how many engineers we have had now but I emailed the CEO of Openreach which made them perk up and send out their top engineers including the regional specialist.

The verdict is, after fixing various minor faults, that the issue is REINS, the engineer has checked in the House but cannot find any sources of interference so they problem must lie outside the property somewhere and there's nothing they can really do.

There's also no gaurantee that switching to fibre will cure it because they don't know if the REINS issue lies on the E or D side.

So all that can be done is to tweak the Fritzbox settings and dial down the margin in an attempt to stabilise the line.
Standard User richi
(regular) Fri 10-Feb-17 11:37:43
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Re: BT Trying to raise a charge for an SFI engineer


[re: PiKe] [link to this post]
 
Sorry I’m late to the party here.
In reply to a post by PiKe:
The verdict is, after fixing various minor faults, that the issue is REINS
Interesting, but earlier you said…

In reply to a post by PiKe:
when the broadband drops, so does the dial tone
That doesn’t sound like REINS to me. You mentioned TalkTalk, so I assume you’re on LLU. Have the engineers tried replacing the tie pair? I had a similar issue, which dragged on for months and countless engineer callouts. Finally an SFI guy brushed past the frame where my tie pair was and “the errors shot up,” as he put it. A quick swap and… perfection.

3 km line on THTG: 19/1.2 Mb/s with Sky
Previously: BT ISDN, Nildram, Plusnet, 186k, EFH, Be*, Plusnet (again), Pulse8
Standard User PiKe
(knowledge is power) Fri 10-Feb-17 13:08:01
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Re: BT Trying to raise a charge for an SFI engineer


[re: richi] [link to this post]
 
Multiple issues were present it seems.

Its been fixed now by powering the router through a UPS.
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