Installation and configuration
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Note: Any unused ports should be terminated by a 120 Ohm resistor across
RX A and RX B signals.
3.4.4 Silent mode switch
To activate the Silent mode switch, apply a voltage of between 2V and 30V to
the SILENT P (Pin 7) and SILENT N (Pin 6) terminals of the 14 way connector.
3.4.5 Data bi-directional ports (18 way connector)
Figure 13 Serial bi-directional port connection
18 way interface
connection