John,

Does your abode have a wireless connection/hub/server, or other servers running 
of your ADSL connection?

Cheers!
`RobD...

On 15Jun2011, at 10:39 am, John Daniels wrote:

> Hi James
> No There is no noise on my line but the attenuation is usually around 60.
> I am getting about 230KBs this morning (1.84Mbs).
> The Westnet contractor has been and finds no fault on my line or at the 
> exchange and of course my speed is OK.
> The drop in speed always occurs when people are home from work or school and 
> weekends particularly.
> Westnet (iinet) are monitoring the line and will send another technician if 
> the speed drops again.
> Thank you for  your suggestions and input. I will pass on the final result if 
> there is one.
> 
> Cheers
> John
> 
> 
> 
> On 15/06/2011, at 8:19 AM, James / Hans Kunz wrote:
> 
>> just my 2c to add to Ronni's comment
>> i was called in to followup a problem like this & found that the wiring in 
>> the 'junction box' in the roof was loose (very poorly done)
>> in an other case there was the connection/ loop through in the kitchen not 
>> done (the wires layed paralell & thus the high frequency could pass through)
>> you are sure you have no funny noise on the line (just dial a 0 & listen a 
>> few seconds if there is silence
>> James
>> 
>> SAD Technic
>> U3 6 Chalkley Pl
>> Bayswater WA
>> Australia
>> +618 9370 5307
>> mob 0414 421132 (international +614 14421132)
>> [email protected]
>> http://www.members.iinet.net.au/~saddas/
>> 
>> Patience and perseverance have a magical effect before which difficulties 
>> disappear and obstacles vanish.
>> 
>> On 14/06/2011, at 9:26 PM, Ronda Brown wrote:
>> 
>>> 
>>> On 14/06/2011, at 6:50 PM, John Daniels wrote:
>>> 
>>>> 
>>>> Hi everyone
>>>> 
>>>> I am still being plagued with a big reduction in speed in the evening. Up 
>>>> until 3.20pm it was 162KBs, then went to 90KBs and 50KBs
>>>> 
>>>> Has anyone else on Hammersley Exchange experienced this?
>>>> 
>>>> Cheers
>>>> 
>>>> John
>>> Hi John,
>>> 
>>> More details might help you get some advice.
>>> What Modem?
>>> What sync / attenuation stats is your modem reporting? (Line Speed / 
>>> Attenuation / Noise details)
>>> What MTU setting do you have on your modem router? The MTU setting of your 
>>> router will lead to performance issues if set too high or too low.
>>> The normal MTU (Maximum Transmit Unit) value for most Ethernet Networks is 
>>> 1500 Bytes, or 1492 Bytes for PPPoE connections. 
>>> 
>>> Have you tried an Isolation Test?
>>> 
>>> Isolation Test
>>> 
>>> So, you are on ADSL or ADSL2/2+ and are having some problems, someone has 
>>> told you to do an isolation test and you have no idea what that is.
>>> 
>>> What is an Isolation test
>>> Basically an Isolation test is when you remove all telephony devices in 
>>> your premises from the phone line. These can include ADSL filters, phones, 
>>> faxes, answering machines, Foxtel Digital (or any other Digital PayTV), 
>>> EFTPOS machines, back-to-base alarm systems, dialup modems, medical 
>>> alterting systems etc – basically anything that plugs into the phone line.
>>> 
>>> After all devices have been removed, plug your ADSL broadband modem 
>>> directly into the first phone socket into the house, bypassing any ADSL 
>>> filters/splitters (just to eliminate these as a possible problem). The 
>>> first socket is generally the one in the common area of the house (kitchen 
>>> or lounge/front room), but you may have to consider where the line comes 
>>> into the house and trace it if necessary – especially if multiple sockets 
>>> have been installed. Use the shortest phone cable you have (ie 1-2m), and 
>>> try another phone cable if there is no luck with the first. Try various 
>>> phone sockets in the house if what you think is the first socket doesn't 
>>> work; it's not impossible for a single socket to have a fault, and if the 
>>> house has a central filter fitted then some sockets may have no ADSL signal 
>>> at all by design.
>>> 
>>> Monitor the Internet connection for the difficulty you were experiencing to 
>>> see if it clears. If the problem is still there, refer notes below.
>>> 
>>> If the difficulty you were experiencing clears, then you can connect one 
>>> filter and one telephony device to your phone line, and monitor your 
>>> internet connection again for the difficulty you were experiencing.
>>> 
>>> By connecting telephony devices one by one, and testing your internet 
>>> connection each time when you add another device, this process of 
>>> elimination should single out the telephony device which causes difficulty 
>>> with your Internet connection. Bear in mind that since adding a single 
>>> telephony device will introduce a piece of equipment, a filter and a line 
>>> cord into the circuit, *any one of these things* could introduce a fault 
>>> into the circuit – be prepared to swap equipment around and test rigorously.
>>> 
>>> What is the purpose for doing an Isolation test
>>> If you are having issues with things like your connection dropping out 
>>> (modem losing ADSL sync), noise/static on your phone line, slower speeds 
>>> than usual, then this test can help isolate the issue.
>>> 
>>> All these issues are often caused by some form of interference induced into 
>>> line, which could be a result of bad filters, dodgy phone cables, 
>>> malfunctioning telephony equipment, or even nearby electrical devices. 
>>> Ensure that "pest-it" and other electronic rodent repellers (like the 
>>> devices Dick Smith and others sell) are removed from power points – these 
>>> often cause problems with ADSL signals. The same goes for any electrical 
>>> equipment capable of generating an electromagnetic field, such as 
>>> fridges/freezers, air conditioners, compressors, cordless phones, microwave 
>>> ovens, flourescent lights etc. This alone is a good argument for not using 
>>> extension cords, as they act as an antenna for electromagnetic interference 
>>> induction.
>>> 
>>> Notes
>>> 
>>>     • If after you have done all this and still having issues, it isn't 
>>> always a problem with your line outside your house (Telstra's boundary), it 
>>> sometimes could be an issue with your internal wiring (eg a mouse could've 
>>> chewed the wires in your roof). Issues can also arise with corroded 
>>> cabling/sockets, problems with hardwired equipment that can't be removed 
>>> (alarm systems, wallphones, ringer bells), or internal cabling that won't 
>>> support ADSL due to faulty installation – the latter is why you try all the 
>>> sockets.
>>>     • If after you have done all this and still having issues, it isn't 
>>> always a problem with your line outside your house or your internal wiring. 
>>> It may be possible that your modem has gone faulty and would be good if 
>>> possible to test with another modem.
>>> If you have completed your isolation tests and still have no ADSL 
>>> connection, an unstable connection, or a poor speed issue etc, it's time to 
>>> escalate the problem to your ISP and let them launch an investigation for 
>>> you. It's in your best interest to complete this process first though for 
>>> several reasons:
>>>             • If the problem is on your end, you can clear it quickly 
>>> yourself.
>>>             • Your ISP will ask you to do it anyway, both for speed and to 
>>> protect you – see point 3 below.
>>>             • If a Telstra tech finds the problem is beyond the Telstra 
>>> Network Boundary Point (NBP), they not only charge you a large (in the 
>>> hundreds) exhorbitant fee, but they leave the problem as is and walk away. 
>>> This is because any and all wiring, sockets, equipment and connections 
>>> downstream/past the NBP are your privately owned equipment, which Telstra 
>>> will not service. Doing your isolation test thoroughly eliminates this as 
>>> an issue, protects you from being charged this fee, and allows you to 
>>> correct any issues with your own equipment more quickly than waiting for a 
>>> Telstra tech to do so.
>>> 
>>> 
>>> Cheers,
>>> Ronni
>>> 
>>> 17" MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt"
>>> 2.3GHz / 8GB / 750GB @ 7200rpm HD
>>> 
>>> OS X 10.6.7 Snow Leopard
>>> Windows 7 Ultimate (under sufferance)
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> -- The WA Macintosh User Group Mailing List --
>>> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
>>> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
>>> Unsubscribe - <mailto:[email protected]>
>> 
>> 
>> 
>> 
>> -- The WA Macintosh User Group Mailing List --
>> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
>> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
>> Unsubscribe - <mailto:[email protected]>
> 
> 
> 
> 
> -- The WA Macintosh User Group Mailing List --
> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
> Unsubscribe - <mailto:[email protected]>




-- The WA Macintosh User Group Mailing List --
Archives - <http://www.wamug.org.au/mailinglist/archives.shtml>
Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml>
Unsubscribe - <mailto:[email protected]>