17
JP4, JP5, JP6: RS232/422/485 (COM2) Selection
COM1 is fixed for RS-232 use only. COM2 is selectable for RS232, RS-422 and
RS-485. The following describes the settings for COM2.
COM2
Function
RS-232
RS-422
RS-485
Jumper
Setting
(pin closed)
JP4:
1-2
JP5:
3-5 & 4-6
JP6:
3-5 & 4-6
JP4:
3-4
JP5:
1-3 & 2-4
JP6:
1-3 & 2-4
JP4:
5-6
JP5:
1-3 & 2-4
JP6:
1-3 & 2-4
Pin #
Signal Name
RS-232 R2-422
RS-485
1
RTS
RTS+
NC
2
DTR
RX-
NC
3
TXD
RX+
NC
4
GND
GND
GND
5
DCD
TX-
DATA-
6
RXD
TX+
DATA+
7
DSR
RTS-
NC
CN2
JB1: Clear CMOS Setting
JB1
Setting
Setting
Pin 1-2
Short/Closed
Normal
Pin 2-3
Short/Closed
Clear CMOS
Summary of Contents for SI-28 Series
Page 1: ...SI 28 Series User Manual 2009 October V0 A1...
Page 7: ...7 Accessories a Power Cord x 1 b System Manual x 1 c Driver CD x 1 d Power Brick x 1...
Page 26: ...26 Advanced Chipset Features This Setup menu controls the configuration of the chipset...
Page 43: ...43 5 Installation is now complete click Finish to exit the InstallShield Wizard...
Page 44: ...44 Appendix This page is intentionally left blank...