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Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
14
Chapter 2: External Connectors Pinout Description
VTC 7120-BK Series User Manual
GPIO Connector
Connector size: DB9, Female
Connector Number: 18
Pin
Definition
Pin
Definition
1
INPUT_1 PORT
2
INPUT_2 PORT
3
INPUT_3 PORT
4
INPUT_4 PORT
5
GND
6
OUTPUT_1 PORT
7
OUTPUT_2 PORT /
8
OUTPUT_3 PORT
9
OUTPUT_4 PORT
1
5
8
6
External 12V (4A) & Car Battery (4A) Power and SMBUS
Connector Number: 19
Pin
Definition
Pin
Definition
1
Car battery(4A)
2
VCC12(4A)
3
SMBCLK
4
GND
5
GND
6
SMBDATA
6
4
3
1