User`s manual
Chapter 2 Hardware Configuration 
Prox-1750 USER'S MANUAL 
Page: 2-15 
2-10. EXTERNAL SPEAKER CONNECTOR 
JPANEL1 (1,3,5,7) : External Speaker Connector 
The pin assignments are as follows : 
PIN ASSIGNMENT 
1 SPK3  
3 NC 
5 NC 
7 SPK VCC 
2-11. HARD DISK DRIVE LED CONNECTOR 
JPANEL1 (9-11) : Hard Disk Drive LED Connector 
The pin assignments are as follows : 
PIN ASSIGNMENT 
9 VCC3_3 
11 HD_LED 
2-12. POWER LED CONNECTOR 
JPANEL1 (8,10,12) : Power LED Connector 
The pin assignments are as follows : 
PIN ASSIGNMENT 
8 LED+ 
10 LED+ 
12 LED- 
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