User manual

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