Serial Port ActiveX Control 

Use Serial Port component to easily communicate with external devices on RS232 connection - as modems, bar code readers, PBX etc. Serial Port introduces properties for serial port setting, methods to write/read from port, events for monitoring port.
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Serial Port ActiveXControl 

Serial Port AX Control is a powerful ActiveX component that can be used to simplify communication with external devices on rs232 connection. This includes modems, bar code readers, PBX or any other devices that have a serial interface.
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