On 4/9/2014 3:01 PM, William Unruh wrote:> BlackLists wrote: >> The current version is TIA/EIA-232-F (circa 1997, last updated 2002?) > > And this is irrelevant. The question is not what the > standard says but what the serial ports actually handle. > Again, does anyone know of a serial port which does NOT > handle TTL logic imputs?
Yes, I have several hundreds (if not thousands) that use a TI chip, that will not change the logic level, if the input does not go negative. -- E-Mail Sent to this address <blackl...@anitech-systems.com> will be added to the BlackLists. _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions