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73 posts

Master Geek
+1 received by user: 1

Topic # 9978 28-Oct-2006 07:49
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Caught the other thread on getting a dedicated adsl jack installed. I'm 4.3km from the exchange and have never gotten over 300kbps on Xtra 3.5mb plan

Last Result:
Download Speed: 269 kbps (33.6 KB/sec transfer rate)
Upload Speed: 132 kbps (16.5 KB/sec transfer rate)

I thought this might be my run which was 1x extension cable into 1x plug adapter into the filter into the wall jack shared by the main phone, 8m run.

So I swapped the connection direct into the Sky TV jack, This was a 5m run direct from the router into the Sky phone jack. My speed dropped to 50 kbps!

Telecom say there is heavy resistance on our line and the distance from the exchange. They also said my speed could get worse with the neighbourhood moving to the Go Large plan!

We do have an alarm but it isn't monitored, but does have the ability to dial out with a signal to an assigned phone to say it has been set off. Would this be a factor?

Is it worth a Telecom tech coming out to install a jack next to the PC?

Otherwise my only option is to look at going woosh.

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285 posts

Ultimate Geek
+1 received by user: 8

  Reply # 50032 28-Oct-2006 08:33
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A new Jack, if its a splitter, will tidy up the signal a little bit, but if Telecom said there's a high amount of noise on the line its most probably external and won't make a huge difference

Also, having any phone cable over 2m long, like the one that comes in the D-Link box, can increase the noise the modem has to compete with.

If you have to run it more than 2-3m from the jackpoint, set the modem on a short phone cable and get a longer network cable as these are designed to resist the effects of interference for a longer distance.

51 posts

Master Geek

  Reply # 50077 28-Oct-2006 17:38
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Hi there,

Yes, in my experiences of having adsl installed at 2 houses a dedicated jack point does make a difference to the connection. In my case it was quite dramatic.



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3535 posts

Uber Geek
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  Reply # 50108 28-Oct-2006 21:41
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disgruntledconsumer: We do have an alarm but it isn't monitored, but does have the ability to dial out with a signal to an assigned phone to say it has been set off. Would this be a factor?

Yes, definitely!.

As Cyril has explained so well on the other thread, you need to ensure that any POTS devices (of which the Burglar Alarm is one) are on their own circuit isolated from the incoming line by a splitter.

Get the Telecom tech in to install a splitter, or buy one from MasterTrade and do it yourself.

I would expect you will get a huge improvement in connect speed once your Burglar Alarm has been properly connected via a splitter instead of directly across the incoming line as it is now.  At present it will be loading down the line and greatly increasing the attenuation at your end.

Many Burglar Alarms have a "line seize" function which basically disconnects the line from all other phones in the house while it is dialling out.  This is a security precaution in case an intruder (or some absent-minded person) has left a phone off the hook.  The alarm panel seizes the line, simulates an on-hook condition for a few seconds, then goes off-hook again and dials out.

For this arrangement to work, it is necessary for the Burglar Alarm to be the FIRST device on the POTS circuit.  All other POTS devices are downstream from the alarm.  Alarm installers quite commonly intercept the phone line at obsure places inside the roof or under the floor of the house, so you will need to carefully trace exactly where the alarm is connected to the phone line and then make sure your splitter goes in before that point.

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