Solvline PCI - Manual (Page 75)

75
Multi-4C/PCI VA2
4. PORTx PWR: voltage supply selection jumper
(PORT1 is Port #1~ PORT4 is Port #4)
 +5V: supply 5V voltage to peripheral using 9th.pin.
 +12V: supply 12V voltage to peripheral using 9th.pin.
 RI: Enables RI communication when using RS232. not supply any peripheral.