Kedacom NVR1821, Руководство по установке, Страница: 14 / 24

1 .3 ESD
To reduce the effects of electrostatic discharge (ESD), you should observe the following
guidelines.
Wear a grounding wrist strap. If a grounding wrist strap is unavailable, touch an
unpainted metal surface on the appliance chassis periodically to neutralize any
static charge.
Keep components in their antistatic packaging until they are installed.
Avoid wearing clothing made of wool or synthetic materials.
Ensure that the NVR1821 is well grounded.
Keep the area around the NVR1821 clean, free of clutter, and well ventilated.
Ensure that the operating temperature and the relative humidity within the range
complying with the NVR1821.
1 . 4 EMI
To shield electromagnetic interference (EMI), you should observe the following guidelines:
Keep the ground system of the NVR1821 away from that of the power supply
system or lightning protection system
.
Place the NVR1821 away from high-frequency devices, such as radio or radar
stations.
When necessary, deploy EMI shielding devices.
2 Unpacking
Follow the following steps to unpack the system:
1) Inspect the package to make sure that it has not been damaged .
If you find damage, contact the local authorized Kedacom agent.
2) Open the package and check whether any item on the packing list is missing.
3)Take all items out of the package and check whether any item is in poor condition
.
If you find damage, contact the local authorized Kedacom agent.
3 Installing Disks
The NVR1821 can be mounted on a 19-inch rack and it is 2U high. Before mounting the
NVR1821 on a 19-inch rack, you must install disks.
If you do not want to install a disk
:
You cannot use the recording function
.
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