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FB127-LX User Manual
Chapter 3. Hardware Settings
3�3�2 Connector and Switch
Power Output Connector for Node Motherboard (JPWR_MB1, JPWR_MB2 )
Pin
Description
Pin
Description
7 PWRON_MB1/2
14 PWROK_MB1/2
6 GND
13 +5VSTBY_MB1/2
5 GND
12 +12V
4 GND
11 +12V
3 GND
10 +12V
2 GND
9
+12V
1 GND
8
+12V
PMBUS Connector (JPMBUS, JPMBUS1)
Pin
Description
1 PW_SCL
2 PW_SDA
3 NC
4 GND
5 NC
Power Input Connector (JPWR1)
Pin
Description
Pin
Description
7 PSU_ON_N
14 PWROK_PSU
6 GND
13 +5VSTBY_PSU
5 GND
12 +12V
4 GND
11 +12V
3 GND
10 +12V
2 GND
9
+12V
1 GND
8
+12V
Power Input Connector (JPWR2)
Pin
Description
Pin
Description
11 +12V
1
GND
12 +12V
2
GND
13 +12V
3
GND
14 +12V
4
GND
15 +12V
5
GND
16 +12V
6
GND
17 +12V
7
GND
18 +12V
8
GND
19 +12V
9
GND
20 +12V
10 GND