W Box 0E-4CHNVR2TB - Page 8

Network Video Recorder
User Manual
Preface
2
Issue: V4.2 (2018-08-15)
Table 1-1 Installation environment
Item
Description
Electromagnetism
The NVR meets the national standards of electromagnetic
radiation and does not cause harm to the human body.
Temperature
–10
o
C to +45
o
C
Humidity
20% to 80%
Atmospheric pressure
86 Kpa to 106 Kpa
Power supply
48V 2A(1 HDD) or 220V 4A(2 HDDs or more)
Power consumption
<15W (excluding the hard disk)
Installation precautions
Note the following points when installing and operating the NVR:

The power adapter of the NVR uses 48V±20% input. Do not use the NVR when
voltage is too high or too low.

Install the NVR horizontally.

Avoid direct sunlight on the NVR and keep away from any heat sources and hot
environments.

Connect the NVR to other devices correctly during installation.

The NVR is not configured with any hard disk upon delivery. Install one or more
hard disks when using the NVR for the first time.

The NVR identifies hard disk capacity automatically and supports mainstream hard
disk models. You are advised to use good brands of hard disk so that the NVR can
operate stably and reliably.
Other precautions

Clean the NVR with a piece of soft and dry cloth. Do not use chemical solvents.

Do not place objects on the NVR.
The NVR meets the national standards of electromagnetic radiation and does not cause
electromagnetic radiation to the human body.