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| Description | |
| No. | Type |
| ① | 10PIN interface: Microphone
|
| ② | 16PIN interface: connecting smoke, ADC measure, door open/close, USB
|
| ③ | Power interface: 12V power supply |
| ④ | 4 ways of power voltage measurement |
| ⑤ | 3.5mm audio input |
| ⑥ | Amplifier audio output port |
| ⑦ | Door open / close sensor interface |
| ⑧ | smoke modem |
| ⑨ | microphone |
| Product name &Type | Parameters |
| Multiple function board R56S
|
|
