Aug 15, 2011 #1 V vijayparmar Newbie level 4 Joined Aug 6, 2011 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,316 output of serial port is ac or dc (db9)
Aug 15, 2011 #2 ckshivaram Advanced Member level 6 Joined Apr 21, 2008 Messages 5,060 Helped 2,150 Reputation 4,306 Reaction score 2,088 Trophy points 1,393 Location villingen (Germany) / Bangalore Activity points 30,086 you can say it is DC or AC... its RS232 logic.. but the waveform looks more similar to AC waveform.... with their voltage levels upto + - 25V....
you can say it is DC or AC... its RS232 logic.. but the waveform looks more similar to AC waveform.... with their voltage levels upto + - 25V....