3
Installing the switch in a 19-inch rack
安装交换机到
19
英寸机柜
The switch provides primary and auxiliary grounding points. The primary grounding point has a
grounding sign. The auxiliary grounding point does not have a grounding sign.
交换机侧面板提供主接地点和备用接地点。主接地点标有接地标识，备用接地点无接地标识。
Connect the grounding cable to a grounding point before mounting the switch in the rack.
为了防止机箱安装到机柜后无法安装接地线，请您先将接地线安装到交换机侧面的接地点上，再将
机箱安装到机柜上。
The grounding screws provided with the switch are applicable to both the primary and auxiliary
grounding points.
随机附带的接地螺钉同时适用于主接地点和备用接地点。
Determine cage nut installation holes
确定浮动螺母安装位置
1
4
Mount the switch in the rack (two options)
安装交换机到机柜（二选一）
3
Mounting brackets installed near the port side
挂耳安装在靠近端口侧
A mounting bracket is 2 RU high. For the left mounting bracket, install cage nuts and screws in
the upper and lower installation holes of each RU. For the right mounting bracket, install cage
nuts and screws in the uppermost and lowermost installation holes.
挂耳占用
2RU
的空间，固定左侧挂耳需要
4
个浮动螺母及螺钉，固定右侧挂耳需要
2
个浮动螺母及螺
钉。对于左侧挂耳，在每
1RU
的空间内，在上下两个安装孔位安装浮动螺母及螺钉。对于右侧挂
耳，在
2RU
的空间内，在顶部和底部两个安装孔位安装浮动螺母及螺钉。
Before installing cage nuts, mark their installation holes on the rack posts.
安装浮动螺母前，建议用户先使用记号笔在机柜方孔条上标注浮动螺母安装位置。
Install cage nuts and slide rails
安装浮动螺母与滑道
2
Connect the other end of the grounding cable to the grounding point on the rack
接地线另一端连接到机柜接地点
1
2
2
1RU
1RU
1RU
1RU
Attach slide rails to the rack posts
安装滑道到机柜
Install cage nuts into the square holes in the rack posts
安装浮动螺母到机柜方孔条
1
2
