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Installing the chassis in the cabinet
安装机盒到机柜中
Install the conducting wire support if provided.
如果配发导线架，请安装。
2
Installing the Chassis in the ETSI Cabinet
ETSI 机柜中安装机盒
Fixing the floating nuts
固定浮动螺母
installation hole
安装孔
floating nut
浮动螺母
When tightening the floating nuts, ensure that that a
minimum of 25 mm space on the left and right sides of
the IDU is reserved for ventilation.
固定浮动螺母时，保证IDU安装后IDU左侧和右侧至少有
25mm通风空间。
Installing the PGND cable
安装保护地线
To the grounding point on the rack column of the
cabinet or the indoor grounding bar.
至机柜立柱接地点或室内接地排
M6
M4
2.0±0.2 N·M
1.4±0.14 N·M
Installing the PGND cable by using the removed screws
用拆下来的螺钉安装保护地线
Installing the mounting ears
安装转接挂耳
Before installing the chassis in an ETSI cabinet, adjust
the installation holes of the mounting ears according to
the cabinet type.
在ETSI机柜中安装机盒时，安装前需由机柜类型调整挂
耳安装孔位。
9
M6 screw assembly
M6组合螺钉
M6
Mounting ears
3.0±0.3 N·M
转接挂耳
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