
SC32A OPTICALLY ISOLATED RS232 INTERFACE
4
External power connections to the SC32A are
given below:
Ensure that the ground of the RS232 device
and the external supply are tied together.
SC32A 25 PIN PORT EXTERNAL POWER
PIN # SUPPLY
4 and/or 20 +
1 and/or 7 -
FIGURE 5.1 Component Location Diagram
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