Thank you very much for all your advices.
The device I'm going to 'talk to' is cesium clock with rs-232 interface.
So it is not possible to simply change the interface to differential
one. Connection cable can be short and the transmission speed can be
slow. The most important thing for me is
Hi everybody,
I have a question regarding rs-232 under FreeBSD.
I need to write an application for FreeBSD to operate an industrial
controller via rs-232. The trick is that it should have very good long
term stability (reliably operation over years). It should be able to
detect and correct
