Advantech AIMB-766 Manual do Utilizador descarregar pdf (Página 30)

ACP-1010 User Manual 22

4.1 Introduction

The alarm board is located in the middle section, between the driver bay and the

power supply. The alarm board gives an audible alarm when:

! A cooling fan fails

! Chassis internal temperature is too high

To stop the alarm beep, simply press the Alarm Reset button on the front panel, then

take the necessary actions to remedy the situation.

4.2 Alarm Board Layout

The layout and detailed specifications of the alarm board are given below:

Figure 4.1 Alarm board layout

4.3 Alarm Board Specifications

Input Power: +5 V, +12 V

Input Signals:

! 7 fan connectors

! One ‘thermal sensor’ connector (supports up to 8 thermal sensors in series)

! One ‘power good’ input

! One ‘alarm reset’ input

! One ‘voltage signal’ connector (connect from the backplane, and support six

voltages:

±12 V, ±5 V, +3.3V, +5 Vsb)

! One ‘hard disk LED’ connector (connect from the CPU card or the motherboard)

Output Signals:

! One ‘LED board’ connector

! One ‘buzzer’ output

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Advantech AIMB-766 Manual do Utilizador Página 30