User manual

27 ACP-2320MB User Manual
Chapter 5 Alarm Board
5.2.1 Connectors, Jumper and Pin Definition
Table 5.1: CN1, Auxiliary external power connector, standard mini 4-pin
power connector
Pin 1 +12 V Pin 3 GND
Pin 2 GND Pin 4 +5 V
Table 5.2: CN4, Thermal sensor connector
Pin 1 +5 V Pin 3 T_SDAT
Pin 2 T_SCLK Pin 4 GND
Table 5.3: CN13, Voltage detection input connector
Pin 1 +5 Vsb Pin 5 +5 V
Pin 2 GND Pin 6 +3.3 V
Pin 3 GND Pin 7 -12 V
Pin 4 -5 V Pin 8 +12 V
Table 5.4: CN16, Power good input connector
Pin 1 Power Good Pin 2 GND
Table 5.5: CN17, Alarm reset connector
Pin 1 ALARM RESET Pin 2 GND
Table 5.6: CN18, Output connector to LED board
Pin 1 GND Pin 9 Temperature Good
Pin 2 +5 V signal Pin 10 Temperature Fail
Pin 3 +12 V signal Pin 11 FAN Good
Pin 4 -5 V signal Pin 12 FAN Fail
Pin 5 -12 V signal Pin 13 N/A
Pin 6 HDD_1 Pin 14 +3.3 V signal
Pin 7 Power Good Pin 15 +5 Vsb signal
Pin 8 Power Fail
Table 5.7: CN26, External HDD LED connector
Pin 1 HLED_ACT Pin 2 N/A
Table 5.8: FAN1~FAN7, Fan connectors
Pin 1 GND Pin3 FAN_DEC
Pin 2 +12V
Table 5.9: J1, External buzzer
Pin 1 Buzzer Pin 2 +5V
Table 5.10: SW1, Fan number select switch
Pin 1 GND Pin 5 GND
Pin 2 FAN_SEL1 Pin 6 FAN_SEL3
Pin 3 GND Pin 7 GND
Pin 4 FAN_SEL2 Pin 8 RESET