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]>

