Plug-In Box Protection Grounding Wire Installation; Installation Notice - Zte ZXR10 8900 Series Hardware Installation Manual

ZXR10 8900 Series Hardware Installation Manual
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A protective grounding wire is led from each cabinet to the joint
copper ground bar, and connected to the copper ground bar in the
equipment room through the grounding bus of the joint copper
ground bar. The cross sectional area of the cabinet grounding wire
should be no less than 16 mm
Plug-in Box Protection Grounding
Wire Installation
On the rear panel of ZXR10 8900 plug-in box, there is a grounding
screw, locating between the slots of tow power modules and indi-
cated by a mark. When connecting yellow and green ground-
ing wires of plug-in box, connect one end of the wire to the screw,
and connect the other end of the wire to the grounding of the cab-
inet.

Installation Notice

Notice the following items:
� Grounding wire needs to adopt copper wire to reduce high fre-
quency impedance. The grounding wire shall be wide and short
as possible.
� Earth terminal has to be processed to anti corrosion and rust.
Meanwhile, earth terminal shall be fixed by nut.
� Power supply cable, earthing cable and signal cable can not be
cabling parallelly or wound to reduce disturbing.
� The grounding method of multi-cabinet can either be separate
or combined. When combined method is used, the grounding
wires of cabinets should be firmly connected to form an equipo-
tential object.
2 .