
 
Chapter 2 Hardware Configuration 
 
 
 
Prox-1750 USER'S MANUAL 
Page: 2-11 
 
 
COM PORT SELECTION
JUMPER 
SETTINGS 
JUMPER 
ILLUSTRATION 
RI 8-10 
9
10
1
2
JP4
 
5V 2-4 
9
10
1
2
JP4
 
COM2 
(JCOM2) 
12V 4-6 
9
10
1
2
JP4
 
*** 1. Manufactory default – RI. 
    2. JCOM2 is shared with COM2.