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3 posts

Wannabe Geek


# 50075 21-Nov-2009 12:19
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Been lurking here for a bit, so this is my first post. Hello all.


I'm on Orcon, and am about 4km's from the exchange on a long and noisy line.  After isolating everything and swapping two modems I had here this is the best connection I can get using a Linksys WAG200G.  My question is, would I get any better speeds trying a modem with a broadcom chipset that is supposed to be more noisy line friendly?







DSL Status:
Connected


DSL Modulation Mode:
ADSL2+


DSL Path Mode:
Fast


Downstream Rate:
2346 kbps


Upstream Rate:
756 kbps


Downstream Margin:
12 db


Upstream Margin:
11 db


Downstream Line Attenuation:
53 db


Upstream Line Attenuation:
16.5 db


Downstream Transmit Power:
12 db


Upstream Transmit Power:
21 db






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  # 275086 22-Nov-2009 02:18
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other than either moving closer to an exchange or waiting for a cabinet to appear close by i realy don't think there's much you can do with an 53db attenuation

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  # 275087 22-Nov-2009 02:22
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oh and by the way hi nice to be the first reply to your 1st post not that i was much help although you might also try puttin in a call to the orcon help desk and see if they can get someone out to take a look

 
 
 
 


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  # 275109 22-Nov-2009 09:51
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Do you have a master splitter are are you simply using plug in filters?


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  # 275113 22-Nov-2009 10:09
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sbiddle: Do you have a master splitter are are you simply using plug in filters?



sorry to hijack the post but im in the same boat so could you explain the master splitter as i use plug in filters only




Common sense is not as common as you think.


I fix stuff!
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  # 275164 22-Nov-2009 13:43
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I thought that Linksys WAG's used a broadcom chipset?

I have heard Dynalinks are good on crappy phone lines.

Also I see that you don't have interleaving turned on? Might be worth while getting the helpdesk to check to see if its enabled or not. Might be worth while turning it on, especially on a bad quality line.




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Wannabe Geek


  # 275170 22-Nov-2009 13:51
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I wasn't sure if the WAG was, after swapping a few friends modems it connects the fastest. Line is stable, so if I have interleaving turned on will that reduce speeds for me? Cheers

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  # 275180 22-Nov-2009 14:13
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vexxxboy:
sbiddle: Do you have a master splitter are are you simply using plug in filters?



sorry to hijack the post but im in the same boat so could you explain the master splitter as i use plug in filters only


A master splitter/filter is installed typically as close to the demarcation point (the point where the Telecom cable enters the house) or the first jackpoint. It is then connected to a dedicated ADSL jackpoint somewhere in the house, the other output goes to all existing jackpoints.

It means that you no longer require plug in filters on every jackpoint for phones or sky box.

More importantly it does a far better job than most plug in filters and eliminates the issue that result from poor quality or corroded cabling inside the house and more importantly reflections caused by jackpoints being wired in series.

If you want the best possible speeds from an ADLS2+ connection a master splitter is essential. In virtually every instance the installation of a master splitter will increase your line speed.



 
 
 
 


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  # 275182 22-Nov-2009 14:17
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A master filter/splitter is basically a central filter that you connect at the white box where your phone cables first come into your house.

You effectively isolate the jackpoint (pair of wires) used for adsl immediately away from all the jack points (or paris of wires) used for land line phones and devices so there is less interference from those other devices.

Also means you don't need to use the inline filters any more.





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Wannabe Geek


  # 275183 22-Nov-2009 14:18
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Thanks for the explanations. As I am very electrical inept. Is there a recommended outfit that can install a master filter?

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  # 275184 22-Nov-2009 14:21
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This is a very poor quality picture of what the new VDSL splitters look like (they are backwards compatiable to ADSL apparently) so you'd be looking at getting one of these or something similar.

The cost of the splitter device is <$50, after that there's labour and other materials (depending on how bad your house wiring is).

There are few GeekZone members do this kind of stuff for a living, I'm sure they will post here or pm you.



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  # 275507 23-Nov-2009 15:36
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@sounddude "I have heard Dynalinks are good on crappy phone lines"

err nope not unless you call overheating and constant disconects good as thats what used to happen with both of my RTA1320's they were pretty much complete crap

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  # 275557 23-Nov-2009 18:00
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There are plenty of adsl/modems using the reliable broadcom chipset that don't have the poor case design and heat problem the Dynalink has eg: TP Link TD-8840, DSE XH9949 and many more.

The Dynalink RTA1025W was/is very reliable, no overheating problems like the RTA1320.

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  # 280194 7-Dec-2009 23:27
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So installing a master splitter will make things faster? is this a fact?

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  # 280804 9-Dec-2009 14:03
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So installing a master splitter will make things faster? is this a fact?


No, but installing one correctly is the only technically correct way to optimise the transmission line termination between the DSLAM and your modem when the line is providing both POTS and DSL services.

To not use a correctly installed central filter will always bring doubt as to the presence of stubs, poorly terminated line segments and POTs devices across the line that a shunting the DSL band, all of which will adversely effect DSL performance.

Cyril

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  # 280805 9-Dec-2009 14:04
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Cyril you are a legend seriously your help has helped me alot!

Bowan

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