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  Reply # 967520 15-Jan-2014 13:10 Send private message quote this post

Huh! VERY interesting! I will update the first post tonight! Good work Hio!!

Isn't FritzBoxLog able to grab the electrical line length stats? I looked at the output but can't see it.

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  Reply # 967529 15-Jan-2014 13:29 One person supports this post Send private message quote this post

hio77: so, interesting read of the day, got a response to a 17a..

BMarquis:

We have a number of conditions that must be met for your line to be switched to a 17a Spectrum profile.
If your line is on the 17a spectrum profile, but the spectrum between 8Mhz and 17Mhz is not being used, I'd be looking at your CPE. it shouldn't report 17a unless the DSLAM is providing that, and we run 8b and 17a on independant profiles.

As for the question of 'what allows a line to be on 17a':
The current bandplan is 8b (goes without saying!)
The line is shorter than 350 meters, which is an electrical length in the 5530 Network Analyser of DLM is in operation on that line
A Bandplan switch hasn't occured in the last 90 days (to stop bouncing between 8b+17a, while still allowing re-evaluation as/when required)



Very interesting. So error rate is not a factor. I suspected as much. But I think there are a lot of people around here who are under 350m but haven't seen 17a. I wonder if Chorus have enough logging to be able to tell if 17a has been tried on a particular line.

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  Reply # 967532 15-Jan-2014 13:34 Send private message quote this post

SamF: Huh! VERY interesting! I will update the first post tonight! Good work Hio!!

Isn't FritzBoxLog able to grab the electrical line length stats? I looked at the output but can't see it.


WIP, but yes.

i find it extremely interesting, as i pointed out in that thread, the distances he has given are far longer than we have seen. (again though, taking into account different frequencies)

stevehodge:

Very interesting. So error rate is not a factor. I suspected as much. But I think there are a lot of people around here who are under 350m but haven't seen 17a. I wonder if Chorus have enough logging to be able to tell if 17a has been tried on a particular line.


yep.. exactly my thought trait.

while errors dont seem to be accounted on, a stable line is accounted on. which to some respects, errors can then be counted.



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  Reply # 967663 15-Jan-2014 16:42 Send private message quote this post

hio77:
SamF: Huh! VERY interesting! I will update the first post tonight! Good work Hio!!

Isn't FritzBoxLog able to grab the electrical line length stats? I looked at the output but can't see it.


WIP, but yes.



Any chance of a beta with this feature in it to try on my router?

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  Reply # 967666 15-Jan-2014 16:46 Send private message quote this post

SamF:
hio77:
SamF: Huh! VERY interesting! I will update the first post tonight! Good work Hio!!

Isn't FritzBoxLog able to grab the electrical line length stats? I looked at the output but can't see it.


WIP, but yes.



Any chance of a beta with this feature in it to try on my router?


quite possibly, moreso if i stop trying to perfect everything!

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  Reply # 967896 16-Jan-2014 06:57 One person supports this post Send private message quote this post

perfect timing guys. while your speaking of 17a I finally made the jump last night, oddly enough it happened around 05:40am

I did get kicked down to dlm-2 awhile back but I'm not going to into depth about about that.

I'm more or less happy now syncing at 66mbps.



Still more errors on a good clean line.



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  Reply # 967900 16-Jan-2014 07:33 Send private message quote this post

Nice one! So what made the difference do you think?

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  Reply # 967902 16-Jan-2014 07:41 Send private message quote this post

Dunno, Just a long time of waiting and then it randomly shows up with no signs of it coming.

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  Reply # 967984 16-Jan-2014 09:53 Send private message quote this post

90day wait period possibly?

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  Reply # 967998 16-Jan-2014 10:05 Send private message quote this post

hio77: 90day wait period possibly?


I would have said so myself, but that got disproved when I hooked a customer up myself and they jumped straight onto a 17a profile?  

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  Reply # 968013 16-Jan-2014 10:24 Send private message quote this post

Dairusire:
hio77: 90day wait period possibly?


I would have said so myself, but that got disproved when I hooked a customer up myself and they jumped straight onto a 17a profile?  


BMarquis: 

A Bandplan switch hasn't occured in the last 90 days (to stop bouncing between 8b+17a, while still allowing re-evaluation as/when required) 


this would be the change im talking about. im starting to get the feeling that profile switch counters arent part of the port reset..

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  Reply # 968049 16-Jan-2014 11:13 Send private message quote this post

mikenzb: while your speaking of 17a I finally made the jump last night, oddly enough it happened around 05:40am


That was about when the switch happened for me too. It's obviously on a different schedule to DLM changes.

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  Reply # 968051 16-Jan-2014 11:15 Send private message quote this post

So what your saying is it is possible that, you must have a stable and consistant connection which hasn't had a DLM profile change in the last 90 days for you to possibly switch from 8b to 17a?

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  Reply # 968053 16-Jan-2014 11:16 Send private message quote this post

Dairusire:
hio77: 90day wait period possibly?


I would have said so myself, but that got disproved when I hooked a customer up myself and they jumped straight onto a 17a profile?  


Were they initially connected on 8b and immediately changed to 17a or initially connected on 17a? If it was the later then that's not inconsistent with a 90 day minimum gap between changes.

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  Reply # 968075 16-Jan-2014 11:44 Send private message quote this post

90 day wait seems to refer to band profiles only.

Eg, 8b to 17a. In other words, if it tries 17a, isn't happy with the spectrum and drops back down, there w

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