Serial line speed on SUN Ultra

Gert Doering (gert@greenie.muc.de)
Tue, 18 Feb 1997 15:16:37 +0100


Hi,

Ph. Bourdeu d'Aguerre wrote:
> I use mgetty on a SUN Ultra with a serial line speed of
> 38400. With a 28800 bps modem and MNP5 compression, this is not
> optimum.

True.

> SunSolve Document infodoc/12597 says :
> 
> > The new termio for Solaris 2.5 has the following baud definitions
> > making it now possible to exceed the previous limitation of 38400.
[..]
> >             B57600    57600 baud
> >             B76800    76800 baud
> >             B115200   115200 baud
> >             B230400   230400 baud
> >             B460800   460800 baud

mgetty will use those if available.

> > Note: The A/B serial ports on the ULTRA's can support up to 115200 (115k)
> > baud rates.
> 
> But neither mgetty nor tip seems to work with a speed higher than 38400.

How do you define "seems [not] to work"? Does it work, or doesn't it? What
is the error message, if any, and what does it write to the mgetty log
file? Please be more precise when asking for help!

gert

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Gert Doering - Munich, Germany                             gert@greenie.muc.de
fax: +49-89-3545980                         gert.doering@physik.tu-muenchen.de