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9.8 Mk9 Central Unit, Internal layout
Central Unit Function/Indication
1. DIP-switch Setting number of connected O2 sensors
2. LED yellow Fault
3. LED red Alarm
4. LED green Power ON
5. Buzzer Alarm
6. Display Measurement and alarm information
7. Mute/Reset/Test button Mute/Reset/Test button
8. RJ45 input connector Power and communication
9. RJ45 output connector Power and communication
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ON
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