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How to Convert a USB to RS232:
RS-232 is a serial connection commonly found on older hardware devices such as printers, scanners and monitors. Most newer computers no longer support RS-232 connections, but have instead, chosen the faster, more reliable USB 2.0 connections. These connections support data transfer rates of up to 480MB. Connecting RS-232 hardware devices to USB ports is now possible, using an easy to use USB to RS232 Serial Adapter Cable, bridging the gap between modern and older devices.
How to Configure a USB 2.0 to an Rs232 Serial Adapter:
The USB 2.0 to RS232 serial adapter is a single cable designed to take a serial connection (from hardware such as a printer or scanner) and hook it up to a USB connection port on the computer. Even through the device is a single cable, there are a few different configuration steps you must perform before the computer is able to detect the serial connected hardware.
System Requirement:
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Yes, the two RS232 channels of the USB-232A-1 adapter can be operated simultaneously, which provides a perfect match for the full-duplex monitor cable (CBL-Full-1A) used in the 232Analyzer software.
Perform a loopback test by using CommFront's 232Analyzer software (included on the CD supplied with the converter): Connect pins 2 and 3 of the DB-9 connector (RX to TX) and run the program. Then send commands from the software, you should receive an echo of the commands sent. By performing a simple loopback test like this, you can test both the transmitter and the receiver of the adapter. This is very helpful when you are in doubt about the performance of your USB-RS232 adapter.
The output voltage of our USB to RS232 converters (Pin 3: TX line) is about -9VDC. Most of the port-powered products require a -7V to -15VDC from RS232's TX line, which can be supported by our USB to RS232 converters.
