23 Jul
2010
23 Jul
'10
1:15 p.m.
On Fri, 23 Jul 2010, Tony Duell wrote:
Actually, do the USB-RS232 adapters (I refuse ot say
USB-serial, since
there are many, many serial interfaces, including USB itself) allow you
to do all you can do with aa PC Async port? Like setting odd baud rates?
Or 5 bit mode (yes, I do sometimes want to talk to ta Creed 7)
How could it?
Do they implement the full 25 lines? Or, just the DB9 subset (1 through 8
and 20)
They might not even implement the complete DE9 subset.
Although MOST devices can be connected using a subset, EVERY one of the 25
lines has a purpose, even having separate signal and chassis grounds.