Re: compare T1 line,isdn,28k modem,14k modem

Fred Salerno (
Thu, 23 Nov 1995 10:07:15 -0500 (EST)

I couldnt have said it better myself, including the toilet paper roll part.
Some people dont understand the limitations of the modem.
They understand it takes a long time to download a big file, but they
expect color video and audio on a 9600 baud modem.

On Thu, 23 Nov 1995, Dale Littlejohn wrote:

> Lets try this one,
> Cuseeme tries to send video at 30 frames per second.
> Think of 1 frame as a loaf of bread.
> compress this loaf of bread with your hands
> you will have a ball of bread about the size of a grapefruit
> remember now, you have 1/30th of a second to send this frame
> T1 line = shooting this ball through an opening about the size of
> the moon with a cannon ---- no problem!
> ISDN line = trying to throw this ball of bread through a basketball
> hoop ---- Most of it will get through but if you hit the edge you
> will loose some bread.
> 28k modem = trying to hand pack this ball of bread into a empty
> toilet paper roll ---- some will get through but with the 1/30th
> of a second time limit not much!
> 14k modem = trying to pack this bread into a drinking straw in
> 1/30th of a second ---- now you want to send audio with it ????
> Try talking through the straw while your pushing the bread through.
> While im here I have a question,
> Why is it that when I pull the a/c plug from my toaster out of the
> wall the electricity dont spill out all over the floor ??
> Hope this helps the folks with 14k modems,
> Have fun,
> Dale