If you are trying to convert the RS232 signal to another signal such as the RS422 then your will need a RS232 – RS422 converter to achieve this. The XS202 from US Converters LLC is a bi-directional RS232 to RS422 converter which is port powered how you can add additional power if needed such as an external 5VDC power source which needs a 6 pin DB9 Terminal Block Header.
You do not normally need a UART driver for the devices as they are treated by the computer in the same way as the BM series devices. That noted that any driver which worked on the BM series devices will also now work with the R series devices. Note that there are some new functionalities which may now require the most recent drivers for the devices. As of date any application which was coded for both the AM or BM series devices should still work with R series devices. There should be very few changes in this regard. You can also see some of the most common problems here.
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You can find the RS232 pinout on this website as well. These are the other characteristics of the RS232 interface which you might also find of interest. Below we will explain the communication methods capable of communicating in different environments. Note that voltage and distance is important with the RS232 standard. Also note the baud rates with distance as well as other specifications so look at the FT232R driver also on this website.
If you have been in computers for a while then you will know that selecting the right RS232 serial cable can be a problem. Below you will find some information on the most common serial RS232 cables in normal computer use. You can find the pinouts for the RS232 cable listed below as well as other information on the RS232 driver. Some would like to use a USB cable on it. Search this website for more information.