Solvline PCIe - Manual (Page 64)

64
Multi-8C/PCIe Ver.1.2
3. Termination Resistor
NONE: Do not install termination resistor. (Default) NONE: Do not supply external power and use pin 9 (Default)
RS422: Install RS422 termination resistor. +5V: Use pin 9 for supplying +5V external Power.
RS485: Install RS422 termination resistor. +12V: Use pin 9 for supplying +12V external Power.