Method 1—Using only front mounting brackets 仅使用前挂耳安装 1 2
1U
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Tool list 工具参考
Install front mounting brackets 安装前挂耳 Flathead screwdriver 一字螺丝刀 Phillips screwdriver 十字螺丝刀 Needle-nose pliers 尖嘴钳 Wire-stripping pliers 剥线钳 Diagonal pliers 斜口钳 Install cage nuts to the square holes of the rack 安装浮动螺母到机柜方孔条
Connect the AC power cable 连接交流电源线
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Install the bail latch 安装电源线卡钩
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Connect the power cable to the receptacle 安装电源线
Secure the bail latch over the power cable 使用电源线卡钩固 定电源线插头
Before connecting the power cable, connect the grounding cable and make sure that the switch is correctly grounded. 在连接电源线前，需先连接保护地线，保证交换机正 确接地。 Connect the power cable to the switch first and then to the power supply system to avoid bodily injury. 连接电源线时，请先完成电源线与交换机侧的连接，再进行电源线 与供电系统的连接，以免造成人身伤害。
Blow dryer 热吹风
The installation tools are not provided with the switch. Prepare them by yourself.交换机不随机 提供安装工具，请用户根据实际安装需求自己 准备安装工具。
1U Install the load-bearing screw 安装承重螺钉
Install an OT terminal on the other end of the grounding cable, and connect the OT terminal to the grounding strip. 保护地线的另一端需自行安装OT端子，然后与接地排相连
Connecting the power cable 连接电源线
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Connect the DC power cable 连接直流电源线
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Method 1 –52 VDC to –55 VDC (RPS)
Copyright © 2011, Hangzhou H3C Technologies Co., Ltd.
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Method 2 +12 VDC (RPS)
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Introduction to installation accessories 安装附件介绍
Install the front mounting bracket 安装前挂耳
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Grounding cable 地线 M6 screw (User supplied) M6螺钉（请用户自备） Cage nut (User supplied) 浮动螺母（请用户自备） Bail latch 电源线卡钩
Method 2—Using front and rear mounting brackets 前挂耳和后挂耳配合安装 1 2
Install cage nuts to the square holes of the rack 安装浮动螺母到机柜方孔条
ESD-preventive wrist strap 防静电腕带
Rubber pads 胶垫贴
Rear mounting bracket and load-bearing screw 后挂耳和承重螺钉
Front mounting bracket and M4 screws 前挂耳和M4螺钉
Mount the rear mounting brackets to the square holes on the rear post of the rack安装后挂耳到机柜后方孔条
Before installation, wear an ESD-preventive wrist strap, and make sure that the wrist strap has a good skin contact and is well grounded. 在以下安装交换机的过程中，操作者需佩 戴防静电腕带，请确保防静电腕ck the rubber pads to the appropriate positions on the switch bottom 粘贴脚垫到交换机底部
Connecting the grounding cable 连接保护地线
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Connect the OT terminal of the grounding cable to the switch 将保护地线一端的OT端子与交换机相连
Mounting the switch to a workbench 安装交换机到工作台
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Mounting the switch to a rack 安装交换机到机柜
When the depth of a switch is greater than 300 mm (11.81 in), the front mounting brackets only secure the switch rather than bear its weight. 当交换机的深度大于300mm 时，前挂耳只对交换机起固定作用，不能用来承重。