The Front Panel; Switch And Buttons; Led Indicators For System Status - Advantech ACP-1000MB User Manual

3.1

The Front Panel

The front panel features a lockable door, LED indicators, PS/2, dual USB ports and a
9-pin D-SUB pre-punched opening. Users can close the door with or without the key.
There is a momentary power switch, a system reset button and an alarm reset button
behind the door. The individual functions are described as below.
3.1.1

Switch and Buttons

Momentary Power switch: Press this switch to turn the system power on or off.
Please use system shutdown or press this switch for few seconds to turn off the sys-
tem ATX power.
System Reset button: Press this button to reboot the system
Alarm Reset button: Whenever a fault occurs in the system, the audible alarm will be
activated. Pressing this button will stop the alarm from beeping.
PS/2 port: For connecting keyboard or mouse depending on the motherboard
Dual USB ports: For connecting a wide range of USB devices for data transfer,
backup or input.
3.1.2

LED Indicators for System Status

The four LEDs on the left side of the front panel indicate system health and activity.
Refer to Table 3.1 for the LED definition summary.
Table 3.1: LED indicator functions
LED
POWER
HDD
TEMP
FAN
When the system power is on, the power LED is always Green.
When the power LED is RED, it indicates a redundant power supply module failure.
To stop the alarm beep, press the Alarm Reset button. Examine the redundant
power supply module right away and replace the failed module with a working one.
When the fan LED is RED, it indicates a failed cooling fan, and the alarm is also acti-
vated. To stop the alarm beep, press the Alarm Reset button and then replace the
failed fan with a working one immediately.
If the temperature LED is RED, it means that inside of the chassis is overheated
(more than 50
°
the Alarm Reset button. Inspect the fan filter and the rear section of the chassis
immediately. Make sure the airflow inside the chassis is smooth and not blocked by
dust or other particles.
ACP-1000MB User Manual
Description
System power
Hard disk drive activity
Temperature in the chassis
Cooling fan status
C). An audible alarm will be activated. To stop the alarm beep, press
Green
Normal
Data access
Normal
Normal
10
Red
Abnormal
No light
Abnormal
Abnormal