User manual

9 Chapter 2
Jumper Settings
Table 2.2: Audio Power Selector(J1)
Setting Function
1-2(default) Audio Power form 12V
2-3 Audio Power from 5V
Table 2.3: COM2 Mode Setting(J3/J4/J5)
Setting Function
J3(1-2)(default) RS232
J4(1-2) RS422
J5(1-2) RS485
Table 2.4: LCD Power Setting (J6)
Setting Function
1-2 +5V
2-3(default) +3.3V
Table 2.5: Audio Enable/Disable (J7)
Setting Function
Open(default) Enable
Close Disable
Table 2.6: AT/ATX Power Setting (J8)
Setting Function
Open AT Power (*)
Close(default) ATX Power
* While use AT power, the standby power connector should be con-
nected to 5V.