Com1 Mode Select For Rs-232/422/485: Jp3/Jp6/Jp7; Com1 Mode Select: Jp4 - AXIOMTEK SBC84820 Series User Manual

SBC84820 Pentium
VDDM
5V
3.3V
2.3.3 COM1 Mode Select for RS-232/422/485:
JP3/JP6/JP7
RS-232 (default)
RS-422
RS-485

2.3.4 COM1 Mode Select: JP4

COM1
*Pin 1=DCD
*Pin 1=5V
*Pin 9=RI
*Pin 9=+12V
Jumpers and Connectors
®
M All-in-One Capa Board User's Manual
Settings
Short 2-3
Short 1-2(default)
COM1 JP7
1-2
3-4, 7-8
5-6, 7-8
JP3/JP6
JP4
Short 3-5(default)
Short 1-3
Short 4-6(default)
Short 2-4
JP2
1 2 3
JP3 JP6
3-5, 4-6 3-5, 4-6
1-3, 2-4 1-3, 2-4
1-3, 2-4 1-3, 2-4
JP7
1
2
3
4
5
6
7 8
JP4
11