IBASE IB831 User Manual
Page 14

INSTALLATION
10
IB831 User’s Manual
FAN1: CPU Fan Power Connector
FAN1 is a 4-pin header for the CPU fan. The fan must be 12V (Max. 1A).
Pin #
Signal Name
1
Ground
2
+12V
3
Rotation detection
4
Rotation control
FAN2: System Fan Power Connector
FAN2 is a 4-pin header for system fans. The fan must be 12V (Max. 1A).
Pin #
Signal Name
1
Ground
2
+12V
3
Rotation detection
4
Rotation control
CN3: USB1/2 Ports
Signal Name
Pin #
Pin #
Signal Name
+5V
1
5
+5V
D-
2
6
D-
D+
3
7
D+
GND
4
8
GND
CN4, CN5: 10/100 /1000 RJ-45 Ports
Signal Name
Pin #
Pin #
Signal Name
TX+
1
2
TX-
RX+
3
4
NC
NC
5
6
RX-
NC
7
8
NC
CN6, CN7: 10/100 /1000 RJ-45 Ports
Signal Name
Pin #
Pin #
Signal Name
TX+
1
2
TX-
RX+
3
4
RX-
TCT
5
6
RCT
MDI2+
7
8
MDI2-
MDI3+
9
10
MDI3+