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9 Chapter 2
2.1.2 Jumper Settings
2.1.2.1 Audio Power Source Select (J1)
2.1.2.2 COM2 Auto Flow Setting (J2)
2.1.2.3 LCD Power Setting (J6)
2.1.2.4 AT/ATX Power Setting
Table 2.2: Audio Power Selector(J1 )
Description
PIN HEADER 3*1P 180D (M) SQUARE
2.0mm
Setting Function
1-2 Audio Power form 12V-input & 5V-output LDO.
2-3 Audio Power from 5V.
Table 2.3: COM2 Setting
Description
PIN HEADER 3*2P 180D SMDMALE
SQUARE PIN 2.0mm
Setting Function
1-2 RS232
3-4 RS485
5-6 RS422
Table 2.4: LCD Power Setting (J6)
Description PIN HEADER 3*1P 180D (M)SQUARE 2.0mm
Setting Function
1-2 +5V
2-3 +3.3V
Table 2.5: AT/ATX Power Setting (J8)
Description PIN HEADER 2*1P 180D (M)SQUARE 2.0mm
Setting Function
SHORT AT POWER
OPEN ATX POWER