COMMELL FS-A74 - Manual (Page 27)

FS-A74 User’s Manual
25
Jumper: JP1/JP2/JP3/JP4 (COM1/2/3/4)
Type: onboard 6-pin header
Function JCSEL2 JCSEL1
IrDA
RS-422
RS-485
Power Mode JP1/2/3/4
Pin 9 with 5V Power 1-2
Pin 9 with 12V Power 3-4
Standard COM port 5-6
Default setting (5-6)
12
11
2
1
12
11
2
1
Default setting:
JCSEL1: (1-3, 2-4, 7-9, 8-10) JCSEL2: (1-2)
12
11
2
1
12
11
2
1
JCSEL2 JP4 JP3 JCSEL1 JP2 JP1
7
1 2
8
7
1 2
8
7
1 2
8
7
1 2
8
RS-232