*
*
Network Address System
Network Public Address System
Network Public Address System
6
in the device. Please eliminate the fault before replacing the fuse.
5
．
Power input plug of the local device
The power source for this device is AC220V (±10%), please make sure the voltage of power source to the
device conforms to required voltage.
6. Functional module extension port (note: this machine needs 6 standard extension modules to ensure
work normally!)
6 standard extension modules include switch module, four-channel audio input module, monitoring module,
hard disk module and main/backup extension module of power supply. Users can extend other modules as
required.
7. Power Switch
