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DES-7200 Hardware Installation Guide

2-4

2.1.5 Laser Safety

Among the modules supported by the DES-7210/7206, there are a great number of optical

modules that are Class I laser products. Therefore, pay attention to the following during your

use of this product:

 When a fiber transceiver works, ensure that the port has been connected with an optical

fiber or is covered with a dust cap, to keep out dust and avoid burning your eyes.

 Do not stare into any optical port.

Danger

Do not s tare into any optical por t u nder a ny c ircumstances, as this m ay

cause permanent damage to your eyes.

2.2 Installation Site Requirements

The DES-7210/7206 must be used indoors. To ensure the normal working and a prolonged

useful file of the equipment, the installation site must meet the following requirements.

2.2.1 Requirements for Rack Mounting

If you plan to mount the DES-7210/7206 in a frame, you must verify that the frame meets the

following conditions:

 Install the switch in an open cabinet as much as possible. If you install the switch inside

a closed cabinet, please make sure that the cabinet has a good ventilation an d heat

dissipation system.

 Make sure that the cabinet is firm enough to bear the weight of the DES-7210/7206 and

its installation accessories.

 Make sure that the dimensions of the cabinet spare certain space for the installation of

the front, rear, left and right panels of the DES-7210/7206 for the sake of heat

dissipation.

 The frame should be properly grounded.

2.2.2 Ventilation Requirements

Figure 2 -3 an d F igure 2-4 s how t he v entilation r equirements of t he DES-7210/7206. Yo u

must ens ure that s ufficient s pacing is r eserved at t he ventilation op enings to ensure t he

normal w orking of v entilation. After v arious c ables h ave be en c onnected, t hey s hould b e

arranged into bundles or placed on the cabling rack, to avoid blocking the air inlets.

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D-Link DES-7210-BASE Installationsanleitung Seite 41