DVR systems DVRxx04HF-U Series - Manual (Page 38)

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Note:
z
You can connect the HDD data cable and the power cable first and then fix the HDD
in the device.
z Please pay attention to the front cover. It adopts the vertical sliding design. You need
to push the clip first and then put down.
3.4 Rack Installation
The DVR occupies 2U rack units of vertical rack space.
z
Use twelve screws to fix the unit
z Please make sure the indoor temperature is below 35℃ (95°f).
z Please make sure there is 15cm (6 inches) space around the device to guarantee
sound ventilation.
z Please install from the bottom to the top.
z If there are more accessories connected in the rack, please take precaution
measures in case the rack power is overload.
3.5 Connecting Power Supply
Please check input voltage and device power button match or not.
We recommend you use UPS to guarantee steady operation, DVR life span, and other
peripheral equipments operation such as cameras.
3.6 Connecting Video Input and Output Devices
3.6.1 Connecting Video Input
The video input interface is BNC. The input video format includes: PAL/NTSC BNC
（
1.0V
B
P- P ，
B
75Ω.）.
The video signal should comply with your national standards.
The input video signal shall have high SNR, low distortion; low interference, natural color
4. Place the HDD in accordance
to the four holes on the lower
bracket
5. Fix the HDD firmly with screws.
6. Install the upper support and fix it
firmly. Fix the HDD to the HDD upper
support in the same way.
7.Loosen the HDD power wire
inside the DVR.
8. Insert the power wire 9. Connect HDD to SATA port with
specified data line, then put the
cover on the box and fix it firmly.