Dahua iDVR&iHCVR, Руководство пользователя

Страница: 45 / 262

Dahua iDVR&iHCVR
User’s Manual
36
3.3.2 1U series
This series DVR max has four SATA HDDs. Please use HDD of 7200rpm or higher.
○
1
Loosen the screws of the
upper cover.
○
2
Line up the HDD to the four
holes of the HDD bracket.
○
3
Use four screws to fix HDD.
○
4
Unfasten the HDD power
cable.
○
5
Use the special data cable to
connect the HDD and the SATA
port
○
6
Insert the HDD power cable.
Close the chassis and fix the
screws to secure firmly.
3.4 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.
3.5 Connecting Video Input and Output Devices
3.5.1 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 input video format: BNC
（
0.8VP-P
，
75Ω
）
.
The video signal should comply with your national standards.
The input video signal shall have high SNR, low distortion; low interference, natural color
and suitable lightness.
Guarantee the stability and reliability of the camera signal:
The camera shall be installed in a cool, dry place away from direct sunlight, inflammable,
explosive substances and etc.
The camera and the DVR should have the same grounding to ensure the normal
operation of the camera.
Guarantee stability and reliability of the transmission line
BTT TB
Please use high quality, sound shielded BNC. Please select suitable BNC model
according to the transmission distance.