User manual
Network Video Manager System 
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1. Alarm I/O Parameter Configuration 
Alarm input: Select the alarm input configuration ID, the alarm can be configured in both Chinese and English entered the 
name and the effective level. Effective level include: high and low two options. When you select high effective input port when 
access to high level alarm that is triggered by alarm signals, When you select low effective input port when the alarm signal 
that is triggered off high alert. 
Alarm output: Select the alarm output configuration ID, the alarm output can be configured in both English and Chinese 
names, the effective signal, alarm mode and alarm output timing parameters. 
Effectively including closed and disconnects signals two options:  Alarm output model, including switch-mode and 
square-wave mode, When the choice of square-wave mode, can fill in the frequency of square-wave output, unit is Hertz. 










