Installation manual
CCM-3211 Series Installation Manual 
6 
2.4  Camera Connectors 
The diagram below shows the CM-3211-xx’s reset button and various connectors. Definition 
for each connector is given as follows. 
Connector 
Pin No. 
Definition 
Remarks 
Reset Button 
- 
Restore to factory default 
BNC 
- 
Analog Video Output 
Alarm I/O 
1 
GND (Input-) 
Alarm connection 
2 
Input+ 
3 
Output- 
4 
Output+ 
Audio I/O 
1 
Output (L) 
Two-way audio 
transmission 
2 
Output (R) 
3 
GND 
4 
Input 
Power 
12VDC 
1 
Power 
Power connection 
2 
Reserved 
3 
GND 
 24VAC 
1 
Power-1 
2 
Earth GND 
3 
Power-2 
RJ-45 
- 
10/100 Mbps Ethernet/PoE 










