The 'RS485 module (1 port, DIN rail)' PN2009-A1 provides one analog audio output connector ('X4') to connect components such as call station speaker.
Analog audio output connector - 'X4'
Pin | Description | Remark |
---|---|---|
1 | SO+ | Audio out + |
2 | GND | GND reference voltage |
3 | SO- | Audio out - |