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Handshaking
selection
and
Interface
selection
The table below shows the relation between
handshaking selection and interface selection.
Table 6. Handshaking and interface
Note
•
In
RS-422A mode, selecting DTR handshaking outputs
the DTR flag through the DTR pin (No. 20); selecting
X-on/X-off handshaking, fixes the value of the DTR
• The signal is always
in
a fixed, flag reset state. Signal
polarity can be inverted with DIP switch
3-4.
10