Installation guide

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Figure 7
NOTE: When the Transmitter is in DTE mode,
Pin-2 of the RS-232 is in charge of sending data;
when in DCE mode, Pin-3 is in charge of sending
data.
When Receiver is in DTE mode, the Pin-3 of the
RS-232 is in charge of receiving data; when in DCE
mode, the Pin-2 is in charge of receiving data.
RS-232 PIN Assignment