Serial line speed on SUN Ultra

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Hello,

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.

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.
> 
>             B150      150 baud
>             B200      200 baud
>             B300      300 baud
>             B600      600 baud
>             B1200     1200 baud
>             B1800     1800 baud
>             B2400     2400 baud
>             B4800     4800 baud
>             B9600     9600 baud
>             B19200    19200 baud
>             EXTA      External A
>             B38400    38400 baud
>             EXTB      External B
>             B57600    57600 baud
>             B76800    76800 baud
>             B115200   115200 baud
>             B153600   153600 baud
>             B230400   230400 baud
>             B307200   307200 baud
>             B460800   460800 baud
> 
> 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.
Modem is US Robotics Sporster Vi.
Any idea ?
-- 
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