Apr 6, 2007 #1 S Sibtain Member level 3 Joined Feb 27, 2005 Messages 63 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,288 Activity points 1,714 hello i just have a simple question .the question is that the tx and rx of serial port have -9 to +9 voltage levels but what are the voltage levels of dcd,rts and other control pins in the rs 232 connector bye
hello i just have a simple question .the question is that the tx and rx of serial port have -9 to +9 voltage levels but what are the voltage levels of dcd,rts and other control pins in the rs 232 connector bye
Apr 6, 2007 #2 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Re: serial voltage They're all the same .. Regards, IanP
Apr 7, 2007 #3 J Jonathan_T Member level 1 Joined Mar 28, 2007 Messages 33 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,447 Re: serial voltage Really ,I had have merasure it that meter read about ~5 Vdc ----------My Favorite PC InterFacing Hardware ----------- **broken link removed**
Re: serial voltage Really ,I had have merasure it that meter read about ~5 Vdc ----------My Favorite PC InterFacing Hardware ----------- **broken link removed**
Apr 7, 2007 #4 segmex Advanced Member level 4 Joined Oct 25, 2006 Messages 114 Helped 7 Reputation 14 Reaction score 6 Trophy points 1,298 Activity points 1,829 serial voltage is it possible for high voltages???
Apr 7, 2007 #5 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Re: serial voltage Goto: https://en.wikipedia.org/wiki/RS-232 and see section on voltage levels .. Similar information on the RS232 voltage levels you can obtain from millions of sites on the web .. Regards, IanP
Re: serial voltage Goto: https://en.wikipedia.org/wiki/RS-232 and see section on voltage levels .. Similar information on the RS232 voltage levels you can obtain from millions of sites on the web .. Regards, IanP