COMMELL AS-C74 - Manual (Page 31)

AS-C74 User’s Manual
31
Jumper: JP1 (COM 1)/ JP2(COM2)
Type: onboard 3 x 2-pin header
Function JCSEL2 JCSEL1
SIR
RS-422
RS-485
RS-232
JP1/JP2 Mode
5-6 Standard COM Port
3-4 Pin9 with 12V signal
1-2 Pin9 with 5V signal
Default setting
7
8 2
1
7
8 2
1
7
8 2
1
11
12
1
2
11
12
1
2
Default setting:
JCSEL2: (1-2) JCSEL1: (1-3, 2-4, 7-9, 8-10)
11
12
1
2
11
12
1
2
7
8 2
1
1 5
2 6