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Multi-8/LPCI VA3
-RS232, Combo Common
1. Portx: External Power Supply Setting Jumper
PORT1 is Port #1, PORT2 is Port #2
RI: Do not supply external power and use pin 9 for RI signal line.
+5V: Use pin 9 for supplying +5V external power.
+12V: Use pin 9 for supplying +12V external power.
