Wiring Diagram For Serial Port. Serial port connections 1 1 2 2 3 3 9 15 pin dyno control box uses the rest 4 4 5 5 flash programming switch 8 13 injector wiring note all injectors must be high impedance types or use a ballast resistor. It formally defines the signals connecting between a dte data terminal.
Micro800 rs232485 isolated serial port plug in module 5 publication 2080 wd002a en p may 2011 wire the module follow the pinout diagram to wire your plug in module. Leads direct sells a wide range of rs232 compatible serial leads and cables in both 9 and 25 pin configurations including straight through and null modem leads as well as usb and firewire which are also types of serial connection. A computers serial com port dte is usually a male port as shown below and any peripheral devices you connect to this port usually has a female connector dce.
Connecting together two serial devices involves connecting the rx of one device to the tx of the other and vice versa.
Since the introduction of the smaller serial port on the ibm at 9 pins rs232 connectors are commonly used. Rs 232 rs is the recommended standard of eia 232 is the standard number. 15 pin serial cable wiring diagram cable 9 pin serial to rj11 diagram serial cable to connect a pc to any of our led signs this 15 foot rs232 cable has a. The serial port external loopback testing requires a loopback plug.