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DES-7200 Hardware Installation Guide

3-13

Figure 3-15 Connection of grounding posts on the DES-7210/7206 back

3.10.2 Precautions

 The s ectional area of t he gr ounding c able s hould be det ermined ac cording t o t he

possible maximum current. Cables of good conductor should be used.

 Do not use bare wire.

 The grounding resistance for combined grounding should be less than 1Ω.

3.10.3 Simple Grounding Steps

1. Release the nut on the rear grounding post of the equipment.

2. Lock the terminal of the grounding cable to the grounding pole.

3. Tighten the nut.

4. Connect the related terminals according to the above steps and the wiring diagram.

3.11 Connecting the DC Power Supply

to the Power Module

Connect t he r elated D C p ower c able ac cording t o t he I D o n t he p anel of t he D C po wer

module and the location requirement. as shown in the following diagram.

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 94 95

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D-Link DES-7210-BASE Guida di Installazione Pagina 59