PRO SERIES DVR User’s Guide
11
10.
Power Cord Socket
This socket is used to connect the power cord to the power outlet.
11.
DI/DO – Alarm input-output module
4in, 4out relay for multiple Dry contact closure alarm input and multiple relay output for
external alarm device connections.
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Additional:
1. Voltage
Switch
Support auto Voltage Switch of 110/240V
2. RS-232
Port
Connection to an external modem for remote access, alarm transmission or RS-232
to RS-485 converter to control a Speed Dome Camera.
3. USB
Port
This socket is used to connect the USB devices for the use of data output
4. Speaker
Audio Out connection for alarm messages.
Preparing the Digital Video Recorder for Operation
To prepare your Digital Video Recorder for operation, you should first connect all
peripheral devices. Make sure the digital video recorder is turned off before any
device is connected.