On Dec 17, 2015, at 4:51 PM, R?bert SZAKSZ <robert at szaksz.eu>
wrote:>
> Which output PIN on PC side is during whole communication on drivers
blazer_ser or nutdrv_qx stable on Logical 0 (+12V)?
> I want make small power source with one resistor (1k) and 3V zenner diode
and put on UPS Pin1.
I always forget which signals are inverted, but for upsdrv_qx: "By default
the driver will set DTR and clear RTS..."
You can adjust this if needed:
http://www.networkupstools.org/docs/man/nutdrv_qx.html#_serial_interface_only
--
Charles Lepple
clepple at gmail
