RI-1990 User’s Guide
36
Appendix 4. Jumper Setting
1.
COM1 / COM2 (Pin9)
2.
Clear CMOS
JCOM1 JCOM2
1-2 short
+5V
1-2 short
+5V
3-4 short
RI
3-4 short
RI
5-6
short +12V 5-6
short +12V
3.
CN COM1 (COM3)
COMSEL1
RS232 RS485 RS422
1-3 3-5 3-5
2-4 4-6 4-6
7-9 9-11 9-11
8-10 10-12 10-12
4.
Digital I/O
CN_DIO1
Pin 1
GP10_IN0
Pin 2
GP14_OUT4
3 GP11_IN1 4 GP15_OUT5
4 GP12_IN2 6 GP16_OUT6
7 GP13_IN3 8 GP17_OUT7
9 VCC 10 +12V
6.
CN_USB5/7 and Mini PCI-E slot
CN_USB5 and Mini CARD1 use the same USB, voltage is 3.3V
CN_USB7 and Mini CARD2 use the same USB, voltage is 3.3V
Model Name
(RI-1990-XXXXXXXX)
1-2 CLEAR
JRTC1
3-4 NORMAL
COMSEL2
RS232 RS485 RS422
1-2 3-4 5-6
5.
SMBUS
CN SMBUS1
Pin 1
Vcc
2 SMBDATA
3 SMBCLK
4 GND