Serial and LPT Ports

On a standard PC: Serial Ports are male connectors, the cables are female. LPT ports on a computer are female.


It's 2012, and I still have to learn more about serial ports, now and then...

When looking for PCIe (or PCI or USB) to serial port add-ins or adaptors look out for the voltage. Most USB adaptors produce +5/-5 volts. "Good" add-in cards output 12V on the RS-232. Apparently, the standard is anything up to 15V. But, lower voltages have potential compatibility issues.


tags: ports, serial, RS-232

Related Scribbles:
  • Hardware

  • ID: 58
    Date Updated:
    2012-01-11 11:42:29
    Date Created:
    2001-08-12 23:13:00


     >> Leonard Chan's Homepage  >> Scribble Web  >> Serial and LPT Ports is hosted by Perceptus Solutions Inc.