H3C Neocean IX1000, Руководство по установке

Страница: 30 / 64

Installation Manual
Neocean IX1000 Network Storage System
Chapter 3 Installing an IX1000
3-13
The power input end of an IX1000 is connected with a noise filter, of which the central
ground is directly connected to the chassis, forming the chassis ground (known as
PGND). This chassis ground must be securely connected to the earth so as to conduct
the induced currents and leaking currents safely to the earth and enhance the EMI
resistance of the IX1000.
Figure 1-2 illustrates the grounding terminal and power inputs of an IX1000.
Following are some methods for correctly grounding an IX1000 in different grounding
environments that you are likely to encounter when installing an IX1000 at different
places.
Note:
The following figures illustrate the methods for grounding an IX1000 by using the
grounding terminal or the power inputs, rather than indicating the specific positions of
the power inputs and grounding terminal of the device.
z
When a grounding strip is available at the installation site, attach one end of the
yellow-green protection ground cable of the IX1000 to the binding post on the
grounding strip and fasten the nut, as shown in
Figure 3-18 .
(1)
(4)
(1)
(2)
(4)
(3)
(1)
(4)
(1)
(2)
(4)
(3)
(1) Power input (2) Grounding terminal
(3) Protection ground cable (4) Grounding strip
Figure 3-18
Grounding an IX1000 through a grounding strip
Caution:
Note that none of the fire main, the radiator or the earth wire of the lightning rod of the
building is suitable for grounding the IX1000. The ground cable of the IX1000 should be
connected to the grounding system of the equipment room.