Chapter 2 Hardware Configuration
PCI-531LF USER
′
S MANUAL
Page: 2-7
2-5. COM Port RI & VOLTAGE SELECTION
JP1, JP2
: COM Port RI & Voltage Selection
The selections are as follows:
SELECTION
JUMPER
SETTINGS
JUMPER
ILLUSTRATION
5V
5-6
12V
3-4
RI
1-2
***Manufacturing Default – RI