JP> On Saturday, October 19 1996, Russell Brooks wrote to Danny Keogh ...



 DK>> Yeah, right!  Pity the Telstra phone lines can't handle 56K.

 DK>> They have enough trouble handling 33.6K.



 RB>> Bsssst..... WRONG



 JP> Bsssst? Let us clear up the ambiguity here: Does "phone
lines" mean

 JP> DIGITAL

 JP> phone lines, or analogue PSTN phone lines in the above context?



 JP> I'd be surprised if a modem could push 56k down an average PSTN phone

 JP> line

 JP> without truckloads of errors and drop-outs.



It can one way



Analog... 56k on one channel, 33.6k on the back channel.

BUT you can only do this with your Courier (after the new SDL is

released in Jan 97 for the domestic model and after someone wakes up

and follows up with an Austel SDL for the local market) on an analog

line, TO a new 56k modem like device that is directly connected to a digital

ISDN link (much like the way line cards at the exchange or a

digital modem at your ISP are.



It seems the closer your analog system is to a digital system the faster you

can go, you will observe that you current Courier may not have a very

high 33600/33600 hit rate at your current address, But move into the

same street as your exchange and you will get bored very quickly watching

33600/33600 connects every time. Un-scientific I know, but it is a

fact.



If ONE end of your analog link (Say you) is close to its exchange then this

helps EVERYONE that connects to you to get 33600 or 31200 one way,

even if the other side of the connect is 26400 (because the caller is

a fair distance from his exchange). This is proven (it is my present

situation)



This is exactly what the engineers that developed this 56k technology,

must have observed.



I have since read where there is newer technology that will be

released in a couple of years, where the PSTN lines will carry

4,000,000 bps



It seems The only thing stopping Higher throughput than YOU are

getting, is Telstra's equipment, not the lines. ISDN 128k still uses

YOUR EXISTING COPPER.

But If Johnny wants more from Telstra, Then Johnny MUST PAY.



Russell

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