Rs232, combo common – Solvline PCI User Manual
Page 90
90
Multi-4J/PCI VA2
-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.
In case you want to supply +5V power but the PCI slot does not supply it, you should
use PC’s power supply.