On Sun, 2002-05-05 at 23:45, James Kunz wrote: > i'm using a diamond suprafax modem set for the v90 standard, the problem > is more telstra is using around 3 different tech standarts withing our > city.....(just listen to the ring signal when you call someone), there > are old (1934) lines limited to 28.8k or less, newer one with speeds to > 42k but no adsl and really new lines set for adsl, eg iinet pretends > that the bayswater area is adsl enabled !!! it's not true !!!! my phone > line (and the lines of neighbours aswell) is according to telstra > incompatible to adsl thus speed is set to max 28.8k!!! James (and > i'm paying commercial tarif!!!!) >
Shooting from the hip is dangerous, IMHO, since I live in Bayswater and have been connected to the Internet via ADSL for over a year - you can read my exploits in the archive. I also think that your explanation of three types of lines is very misleading. The age of the copper in the ground, though a factor, is not AFAIK the determining factor for ADSL connectivity. There are numerous factors that influence your ability to actually get connected using ADSL, I'll outline a few: The telephone exchange your physical copper wire is connected to must have ADSL equipment installed. The roll-out has probably not gone as smoothly as Telstra would have liked, and several exchanges have waited months for connectivity. If you go to the bigpond website and put your telephone number into the "Can I have ADSL"-form, you'll be able to tell if your exchange is enabled. The maximum distance between your wall socket and the exchange may not exceed 3.5km wire length. I understand that this is related to the amount of signal-loss over a longer distance. Also note that there are cases where both longer and shorter wire lengths will and won't work. You may not have a pair-gain connection. When blocks were sub-divided, the original wiring within the suburb was overloaded. This system where a street shares a number of copper pairs (since not everyone will be talking at the same time) back to the exchange won't work if you're connected all the time (like with ADSL). You may not use an alarm-circuit (not it's real name, I forget what it's called). This type of fixed connection sends an alarm-system pulse back to the monitoring base every set period of time. >From memory also, you may not have a fax-duet service installed on the line that will carry ADSL. Finally, the actual success of connecting to ADSL is dependent upon a site-inspection which will determine if there is enough signal strength (or put differently, not too much signal loss) for ADSL to actually work. When an unnamed company came digging in my street to lay a ring-fibre, they disturbed the copper pair I was connected to and ever so slightly squashed it - Telstra found the fault and assigned me to a different pair. On a personal note, the copper we have in the ground was only ever guaranteed to carry 9600 baud and I find it absolutely amazing that we can pump so much data down cables that were never intended to carry what they do. This broadband connectivity stuff is bordering on magic. -- ()/)/)() ..ASCII for Onno.. |>>? ..EBCDIC for Onno.. --- -. -. --- ..Morse for Onno.. ITmaze - ABN: 56 178 057 063 - ph: 04 1219 8888 - [EMAIL PROTECTED]
