C2 Series User Manual Rev. 1.9   
 57 
The I/O & Power Interface 
 
 
M12 I/O Male Connector Pin Assignment 
 
 
Clock line of I²C bus interface 
Encoder input Z index (TTL) 
Encoder input B track (TTL) 
Encoder input A track (TTL) 
Data line of I²C bus interface 
Output for analog modulation of illumination device (0–5V DC) 
camera supply voltage (12–24V DC) 
Input for monitoring specific functions of illumination device (0–5V DC) 
Output for digital modulation of illumination device (TTL) 
Reference ground for IO and Laser signals 
Is connected to camera case