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
