Huawei NE05E Hardware Manual page 426

HUAWEI NE05E,NE08E
Hardware Guide
Figure 4-8
Figure 4-8 Grounding connections of the TN-S AC power system
Use a ground cable (the cross-sectional area of the ground cable must be at least
6 mm
network cabinet. Connect the ground bar to the network cabinet in an
equipotential manner through a metallic structure.
Use a ground cable to connect the grounding point of the reinforcing rib of the
optical fiber to the ground bar. You can also connect this grounding point to the
network cabinet in an equipotential manner through a metallic structure.
Use a ground cable (the cross-sectional area of the ground cable must be at least
16 mm
corridor AC power supply.
TT AC Power System (Provide Only L Line and N Line and Directly Ground
the Device)
It is recommended that an external ground device be adopted. For example, use
the dedicated ground device (such as the ground flat steel sheet, ground post, and
ground bar) of the building or the base concrete bar of the reinforcement concrete
of the building, or deploy a new earth screen.
Figure 4-9
Figure 4-9 Grounding connections of the TT AC power system
Use a ground cable (the cross-sectional area of the ground cable must be at least
6 mm
network cabinet. Connect the ground bar to the network cabinet in an
equipotential manner through a metallic structure.
Issue 05 (2023-03-31)
shows the grounding connections of the TN-S AC power system.
2
) to connect all devices in the network cabinet to the ground bar of the
2
) to connect the ground bar of the network cabinet to the PE wire of the
shows the grounding connections of the TT AC power system.
2
) to connect all devices in the network cabinet to the ground bar of the
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4 Hardware Installation and Parts Replacement
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