Advantech IPC-623 Series Manual de usuario Pagina 34

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IPC-623 User Manual 28
Chapter 4 Alarm Board
The alarm board is located behind the cooling fan near the middle section.
The alarm board makes an audible alarm when:
a. Any power supply module of the redundant power supply fails
b. One of the cooling fans fails
c. Internal temperature of the chassis is too high
To stop the alarm beep, simply press the Alarm Reset button on the front
panel.
4.1 Alarm Board Layout
The layout and detailed specification of the alarm board are given below:
Figure 4.1: Alarm board layout
4.2 Alarm Board Specifications
Input Power: +5V, +12V
Input Signals:
• 7 fan connectors
• One thermal sensor connector (connects up to 8 thermal sensors in
series)
• One power good connector
• One alarm reset connector
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