Air Filter Overview
An air filter is installed in the intake vent of the chassis to prevent dust from entering the
chassis.防尘网用于安装在机箱散热风道的进风口，阻止灰尘进入机箱。
Air Filter Replacement 防尘网的更换
Pay attention to electricity safety when replacing an air filter with the switch running.
在设备运行状态下进行防尘网的更换时，请注意用电安全。
Clean air filters every three months to guarantee adequate ventilation and avoid over-
temperature.防尘网使用时间过长，空气中的灰尘可能会将防尘网的通气孔堵住，影
响设备的正常通风散热，建议每三个月定期清洗一次。
Installing an Air Filter 安装防尘网
Put the air filter near the intake vent on the left of the chassis and insert the poisoning
pins on the air filter into the corresponding holes on the chassis,
将防尘网贴近机箱左侧的进风口处，将防尘网上部的导向销插入机箱对应的定位孔。
Insert the screws into the screw holes on the air filter, and fasten them with a Phillips
screwdriver. 将螺钉插入防尘网的螺钉孔中，使用螺丝刀将螺钉全部拧紧。
The device has two air filters: switching fabric module area air filter and line card area air
filter, which are installed at the left of the chassis.
该防尘网分为网板区防尘网和线卡区防尘网两部分，安装于机箱左侧。
Tools Required 准备工具
During the replacement of the air filters, keep the screws
properly for future use.
防尘网安装在机箱外侧，更换过程中，请将螺钉妥善放置，
以免丢失。
Removing an Air Filter 拆卸防尘网
Air filter screw
防尘网螺钉
Chassis screw hole
机箱螺钉孔
Air filter screw hole
防尘网螺钉孔
Take the following steps to get related documents from the H3C website at www.h3c.com.
1. Go to http://www.h3c.com/portal/Technical_Documents
.
2. Choose the desired product category and model.
您可以访问H3C网站（www.h3c.com.cn
）获取最新的产品配套资料：
1. 请访问网址：http://www.h3c.com.cn/Technical_Documents，或单击主页的［服务
支持/文档中心］；
2. 选择产品类别和产品型号，即可查询和下载与该产品相关的手册。
Copyright © 2011-2013, Hangzhou H3C Technologies Co., Ltd.
For more information about the product and installation procedures, log in to www.h3c.com
Copyright © 2011-2013 杭州华三通信技术有限公司 版权所有，保留一切权利。
如需了解产品及安装方面的更多信息，请登录 H3C 网站 www.h3c.com.cn
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