Description: The meter 485 underlying communication program, you can monitor the state of the output of 485, for hardware and software engineers are very helpful
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File list (Check if you may need any files):
MSCOMM32.OCX
XPCB2007.EXE
XPWINCB.EXE
底层通讯程序（XP）.EXE
Comdlg32.ocx
Mscomctl.ocx
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