7.Electrical Interface
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 81
7.3.
I/O Port
7.3.1.
I/O Connector Pin Definition
7.3.1.1.
MER2/ME2P Series
MER2/ME2P Series I/O port is implemented by Hirose 8-pin receptacle (No. HR25-7TR-8PA(73)), and the
corresponding plug is HR25-7TP-8S.
Diagram
Pin
Definition
Core Color
Description
1
Line0+
Green
Opto-isolated input +
2
GND
Blue
GPIO GND
3
Line0-
Grey
Opto-isolated input -
4
NC
Purple
NC
5
Line2
Orange
GPIO input/output
6
Line3
Pink
GPIO input/output
7
Line1-
White Green
Opto-isolated output -
8
Line1+
White Blue
Opto-isolated
Table 7-3 I/O port definition (back sight of the camera)
The polarity of GPIO pins cannot be reversed, otherwise, camera or other peripherals could burn out.
7.3.1.2.
ME2L Series
ME2L Series I/O port is implemented by Hirose 8-pin receptacle.
Diagram
Pin
Definition
Description
1
Line0+
Opto-isolated input +
2
GND
GPIO GND
3
Line0-
Opto-isolated input -
4
NC
NC
5
Line2
GPIO input/output
6
NC
NC
7
NC
NC
8
NC
NC
Table 7-4 I/O port definition (back sight of the camera)
The polarity of GPIO pins cannot be reversed, otherwise, camera or other peripherals could burn out.