NG800
User Manual for NRSW version 4.5.0.100
When the serial interface is not used, a push button can be connected from the positive battery port to
the serial interface receive input (X48:L1) as shown in the following image.
Figure 3.1.: Reset Input (Serial Interface not used)
If the serial interface is used in the application, a
break-before-make
switch must be used. The switch
is required to protect the terminal equipment from the battery voltage.
In the inactive position the serial interface is connected between the terminal and the device, allowing
serial communication. In the active position, the terminal is disconnected, and the receiver input is
connected to the battery.
Figure 3.2.: Reset Input (Serial Interface used)
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