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1.2. Why VxComm Technology?
In general, writing a TCP/IP program is more difficult than a COM port program, or the
COM port communication system was built many years ago.
As a result, a new technology, VxComm was developed to virtualize the COM ports
of the PDS to allow up to 256 COM Ports to be used on the central computer. The
VxComm driver saves time when accessing serial devices through the Ethernet without the
need for reprogramming the COM port software on the PC.
PDS Series User Manual ( V1.4, Oct. 2009) ----- 8
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