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Chapter 2: External Connectors Pinout Description
GPIO Connector
External 12V (4A) & Car Battery (4A) Power and SMBUS
Connector size: DB9, Female
Connector Number: 18
Connector Number: 19
1
8
Pin
1
3
5
7
9
5
6
Definition
INPUT_1 PORT
INPUT_3 PORT
GND
OUTPUT_2 PORT /
OUTPUT_4 PORT
Pin
2
4
6
8
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Definition
INPUT_2 PORT
INPUT_4 PORT
OUTPUT_1 PORT
OUTPUT_3 PORT
6
4
3
1
Pin
1
3
5
15
Definition
Car battery(4A)
SMBCLK
GND
Pin
2
4
6
Definition
VCC12(4A)
GND
SMBDATA
VTC 71-D Series User Manual