COM3/COM4 RI pin voltage select (J10, J5)
The 9th pin of COM3 and COM4
COM3 RI pin setting (J10)
| RI* |
| +5V | +12V | ||||
1 | 3 | 5 | 1 | 3 | 5 | 1 | 3 | 5 |
J10 |
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2 | 4 | 6 | 2 | 4 | 6 | 2 | 4 | 6 |
COM4 RI pin setting (J5) |
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| RI * |
| +5V | +12V | ||||
1 | 3 | 5 | 1 | 3 | 5 | 1 | 3 | 5 |
J5 |
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2 | 4 | 6 | 2 | 4 | 6 | 2 | 4 | 6 |
*default
Audio output select (J12)
You can select the onboard audio output by setting J12.
"Speaker out" is the output signal amplified by onboard amplifier
Audio output select (J12)
Line out | Speaker out * |
2
J124
6
12
34
56
1
3
5
*default
Chapter 2 Installation 21
