System schemetic – CNB HDF1212 User Manual
Page 5
5
SYSTEM SCHEMETIC
Wiring Camera Control port and Sensor input / Alarm output
SENSOR INPUT: 5V TTL input. Connect two signal lines of sensor to the desired sensor number. (You can
set the type-NC or NO-
of sensor at “Setup” mode).
ALARM OUTPUT: 5V TTL output. Connect two output lines of alarm to the desired alarm number (G and
1~2) after you set the circuit diagram like above