Re: ISDN Support
On 20 Apr 1997 04:49:53 -0000, Richard Sharman wrote:
>Kevin Traas writes:
> > > I have a Motorola Bitsurfr Pro (external). It works fine under Linux;
> > > it looks like a modem. (It has a zillion AT commands.)
> >
> > Thanks for the info. Just a couple of questions.... <grin>
> >
> > What type of serial port do you have? 16550? How fast are you running the
> > serial connection? Higher than 115,200bps? Do you connect at 64K or 128K
> > or either?
> >
>(Apologies if I should have replied privately rather than following up.
>I'm not sure if anyone else on this list is interested...)
>
>Until recently I just used the built-in serial ports, which are 16650a
>limited to 115000 bps. I have recently bought a Byte Runner card and
>am talking to the Bitsurfr at 230400 bps. Have I noticed a big
Ahhhhaaa! And you are using this with linux? Are you sure it is opening the
16650 at 230K?
>difference? No. I've started trying some tests, and will switch back
>to 115000 and see if it I can measure any difference. There are
>typically delays at so many points its hard to get consistent results.
>Subjectively (very!) 2 channels are faster than 1, but not twice as
>fast.
They sure are....maybe the serial ISN'T opening past 115K.
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