FTTC drop in speed
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- Re: FTTC drop in speed
FTTC drop in speed
24-07-2014 10:57 AM
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Re: FTTC drop in speed
24-07-2014 11:51 AM
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I've just taken a look at your line and can see that for some reason your sync rate has dropped, most likely due to an influx of errors on your line. Any ideas what might have caused this? Internal/External works in the area at all?
Good news is that DLM is working it's way back up and your sync rate is matching the top end of the banding. I'd give it a week or so (FTTC DLM can act slowly compared to ADSL) but I'm confident your speeds will return. The most important thing though, is to ensure you keep your Modem on. DLM makes deciosn about your sync rate and profiles based largely on your current sync uptime.
Your line is error free, so with a stable connection, I'd be confident that your speeds will be back to normal soon.
Re: FTTC drop in speed
24-07-2014 6:56 PM
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Re: FTTC drop in speed
24-07-2014 7:21 PM
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@chris "DLM makes decisions about your sync rate and profiles based largely on your current sync uptime" Since when i have been told numerous times that it's based on errors not uptime when i have queried the lack of increase so which is it ? If it were based largely on up time then i would have had some increase by now so that's clearly not the case.
Re: FTTC drop in speed
24-07-2014 7:23 PM
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Re: FTTC drop in speed
24-07-2014 7:32 PM
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Re: FTTC drop in speed
24-07-2014 7:38 PM
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Maybe ask Chris for your caution counter (if it's available)?
Re: FTTC drop in speed
24-07-2014 8:14 PM
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Re: FTTC drop in speed
24-07-2014 8:21 PM
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Re: FTTC drop in speed
25-07-2014 11:27 AM
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DLM makes decisions based on both Error Count/Rate and Uptime, the same as it does on ADSL in that sense.
@AndyH - We don't have any access to Caution Counter stats unfortunately.
Re: FTTC drop in speed
28-07-2014 8:28 PM
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Re: FTTC drop in speed
29-07-2014 1:41 AM
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Unfortunately a DLM reset can only be done on FTTC by an OR engineer visiting a fault. No other ISPs have access to be able to reset DLM (currently).
It's possible that as more people have taken up FTTC on your cabinet, crosstalk has increased, causing your sync speeds to drop.
If you take a look here, have your estimates changed since you had FTTC installed? If you don't know what they were before hand, you need to look at the FTTC 'A' Clean range, and Plusnet would have quoted you the lowest number in that range when taking out your product. If that's gone lower, it's likely crosstalk has increased on your cabinet.
Re: FTTC drop in speed
29-07-2014 6:31 AM
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Quote Unfortunately a DLM reset can only be done on FTTC by an OR engineer
I recently requested a DLM reset, no fault. It worked a treat, increased my failing fibre speeds by 50%.
Re: FTTC drop in speed
29-07-2014 7:37 PM
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Re: FTTC drop in speed
30-07-2014 10:41 AM
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Just to make this absolutely clear - We have absolutely no control over whether an engineer carried out a DLM Reset when he/she should/shouldn't carry out a reset. An engineer should only complete a DLM Reset should only be carried out when a network change is made.
If there are instances where an engineer has gone outside of this, this is something that BT Openreach will deal with, with their engineers directly. We do not have control or have a process which allows us to request a DLM Reset at this time if no network changes have been made.
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