How to install USB 2.0 Serial Converter?

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Question 9 - How to install USB 2.0 Serial Converter

Many new laptops and desktop computers don’t have serial port any more, but there is still some demand of serial communication on embedded control systems.
A USB to serial converter is a solution to this situation.

What you need before install a USB to Serial Converter:

1. A USB to serial converter, driver CD, MS-Windows operating system
2. PC with USB port
3. RS232 serial extension cable

Step by Step Installation Guide

HARDWARE CONNECTION:

Connect one end of the RS232 DB9 extension cable to any Application Circuit Board (in this demonstration, an Au® SAE-J1939 simulator is used), the other end to USB 2.0 to serial adapter, and then connect USB 2.0 to serial adapter to your computer’s USB port. (Figure 1)

Figure1 Connection of USB 2.0 to Serial Adapter

INSTALL USB 2.0 TO SERIAL ADAPTER DRIVER:

“Found New Hardware Wizard” window will pop up on MS-Window. Follow the Found new hardware Wizard steps:

Figure 2

Select “No, not this time”, as shown in Figure 2, then click “”.

Insert the USB 2.0 to serial adapter installation CD to you CD-ROM drive.

Click to select the default highlighted best match driver USB Serial Port 2.0.0.0 FTDI

Figure 3

Wait a few second, click button when “Found New Hardware Wizard” indicating the wizard has finished installing the software for USB Serial Converter (Figure 4)

Figure 4

Another “Found New Hardware Wizard” is still open, follow the wizard steps to install software for “USB serial Port” (Figure 5),
Select “install the software automatically(recommended)” then click

Figure 5

Click to select the default best match driver “USB Serial Port 2.0.0.0 FTDI” (figure 6)

Figure 6

Wait a few second, click when “Found New Hardware Wizard” indicating the wizard has finished installing the software for USB Serial Port (Figure 7)

Figure 7

VERIFY USB SERIAL PORT CONNECTIVITY

Under Windows Xp, use the following command to make sure that the USB serial port has been installed successfully and read to use.
Start/ Control Panel/Performance and Maintenance/System/Hardware/Device manager/Ports
It should showing USB Serial Port (COM#), in this case, it is COM8 (figure 8).

Figure 8

Congratulations!

You have successfully installed the software for USB serial Converter and USB serial port, and it’s ready to connect any application program to your application circuit board by using USB 2.0 Serial Adaptor.