Alarm Board Specifications; Connectors & Pin Definition; Standard Mini 4-Pin Power Connector; Table 4.2 Cn4, Thermal Sensor (Lm75) Connector - Advantech ACP-2010MB User Manual

4.2 Alarm Board Specifications

Input Power: +5V, +12V
Input Signals:
• 7 "fan" connectors
• One "thermal sensor" connector (supports up to 8 thermal sensors
connected in a series)
• One "power good" input
• One "alarm reset" input
• One "voltage signal" connector (connected from the motherboard,
and supports six voltages: +- 12V, +- 5V, +3.3V, +5Vsb)
• One "hard disk LED" connector (connected from the motherboard)
Output Signals:
• One "LED board" connector
• One "buzzer" output
4.2.1 Connectors & Pin Definition
Table 4.1: CN1, Auxiliary external power connector, standard mini 4-
Pin power connector
Pin 1
Pin 2
Table 4.2: CN4, Thermal sensor (LM75) connector
Pin 1
Pin 2
+12V
GND
+5V
T_SCLK
25
Pin 3
Pin 4
Pin 3
Pin 4
GND
+5V
T_SDAT
GND
Chapter 4