On Wednesday, October 23 1996, David Drummond wrote to John Piper ...

 JP> I'd be surprised if a modem could push 56k down an average PSTN phone
 JP> line without truckloads of errors and drop-outs.

 DD> I think Russell is suggesting that quite a few lines have NO trouble
 DD> with 33,600.  Earlier this year Russell spent some weeks in Mossman
 DD> FNQ (over 1600Km from here).  He polled twice a day, every day for his
 DD> point mail.  He got about 95% 33,600 connects, the rest being 31,200.

If you're reading, Russell, I'd be interested to see what sort of a connect
you can achieve to my system down here in Sydney.

As for the USR 57.6k, from what I heard today, one side of the link needs
to be running a Macrolink, which blows all chances of a 57600/57600 PSTN
link out of the water.

 DD> I get better than 95% 33,600 calls to my mail host although that is
 DD> only from one side of Brisbane to the other.

I can manage a 31200/31200 connect to M34Fs, but seemingly not 33600. I
can't remember the reason for this. Can anybody refresh my memory? I recall
that it had something to do with the symbol rate; 3429 being necessary for
33.6k. 
Comments, anyone?

John (japp{at}mpx.com.au)

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