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374 posts

Ultimate Geek
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Topic # 223876 21-Oct-2017 18:52
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Ok, I have been reading a few threads recently like the below, and also as SWMBO had mentioned switching to VDSL, which whilst available in our area, looking at our stats in the modem attenuation is 32 db which from my understanding is rubbish for vdsl

 

 

 

https://www.geekzone.co.nz/forums.asp?forumid=49&topicid=223639

 

 

 

Where do you guys get all this info?

 

how can you tell if a place has a master splitter? does everyone need one?

 

 

 

We are on ADSL and have an orcon genius doohickey, which our phones hook into

 

 

 

 

 

 

 

 

 

Downstream

 

Upstream

 

 

 

Line Coding(Trellis):

 

On

 

On

 

 

 

SNR Margin (0.1 dB):

 

82

 

63

 

 

 

Attenuation (0.1 dB):

 

320

 

138

 

 

 

Output Power (0.1 dBm):

 

0

 

126

 

 

 

Attainable Rate (Kbps):

 

15952

 

1156

 

 

 





'We love to buy books because we believe we’re buying the time to read them.' WARREN ZEVON


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Uber Geek
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  Reply # 1887538 21-Oct-2017 19:06
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The simplest way to tell is if your modem will only work on one of your jackpoints, you probably have a master filter.


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  Reply # 1887577 21-Oct-2017 21:06
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And to answer the second part - the great majority of lines will benefit, as it isolates all the unneeded wiring in the house from the xDSL line.

 

Pretty much the only exception is on a naked connection (no phone) and there is only a single jackpoint in the house.


 
 
 
 


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  Reply # 1887614 21-Oct-2017 23:04
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RunningMan:

 

Pretty much the only exception is on a naked connection (no phone) and there is only a single jackpoint in the house.

 

There is many lines out there on "naked" connections but with other jackpoints in the house. My parents as an example had a total of 12! jackpoints and a master filter wired incorrectly by Chorus (due to the complex wiring situation). I ended up removing all other jackpoints and wiring it up correctly. They went from 50/12Mbit to 110/60Mbit due to this.

 

If you have multiple jackpoints a master filter is a must in my books.





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374 posts

Ultimate Geek
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  Reply # 1887670 22-Oct-2017 10:00
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well, if it helps from memory, our phoneline comes in from the road straight to a jack point goes into the orcon modem and then the other Jackpoints are connected into the phone output of the modem, if that makes sende?





'We love to buy books because we believe we’re buying the time to read them.' WARREN ZEVON


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  Reply # 1887720 22-Oct-2017 11:53
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If you have a Genius router then the chances are you have naked broadband with a VOIP service that effectively simulates a landline.  If so there is no need for a splitter anywhere (master or otherwise) as this is only needed if your landline is a POTS (Plain Old Telephone Service).


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  Reply # 1887721 22-Oct-2017 11:59
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OldGeek:

If you have a Genius router then the chances are you have naked broadband with a VOIP service that effectively simulates a landline.  If so there is no need for a splitter anywhere (master or otherwise) as this is only needed if your landline is a POTS (Plain Old Telephone Service).



Well, not quite... you also need to disconnect the other jackpoints physically to avoid potential ‘resonance’ in the wires.

As MichaelMurphy said the only exception is if you only have ONE jackpoint. He even went on to say how much it improved when he remover the others?

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  Reply # 1887776 22-Oct-2017 15:23
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RunningMan:

 

The simplest way to tell is if your modem will only work on one of your jackpoints, you probably have a master filter.

 

 

Not always. Friends moved into a place with one, put the router on any old socket and were getting atrocious speeds that made youtube go to 144p and facebook not function. But it got sync. Was on the phone side of a filter. Proper socket located after a fault call and max speed happened. Then upgraded to VDSL and got something absurd like 90 down on it. Helps that the cabinet was infront of the neighbours house.





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  Reply # 1887828 22-Oct-2017 18:36
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Morgenmuffel:

well, if it helps from memory, our phoneline comes in from the road straight to a jack point goes into the orcon modem and then the other Jackpoints are connected into the phone output of the modem, if that makes sende?

disconnect the wiring to the other jack points.

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  Reply # 1888132 23-Oct-2017 15:55
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RunningMan:

 

And to answer the second part - the great majority of lines will benefit, as it isolates all the unneeded wiring in the house from the xDSL line.

 

Pretty much the only exception is on a naked connection (no phone) and there is only a single jackpoint in the house.

 

 

And no alarm system wired into the phone line. The master filter normally gets connected where the line comes into the building, before it goes to any house wiring, so things like alarms and Sky boxes get bypassed even if you didn't know they were there.





Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

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