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Note
Connecting the System Ground
A working ground GND is installed on the back of DES-7210/7206. In order to protect the
system, the ground must be well treated. GND is directly connected to the ground bar or
ground pole of the equipment room.
Precautions
The sectional area of the grounding cable should be determined according to the
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.
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.
Connecting the DC Power Supply to the Power
Module
Connect the related DC power cable according to the ID on the panel of the DC power
module and the location requirement. as shown in the following diagram.
12
You are recommended to install the air filter as the last step of the chassis
installation.
Connection of grounding posts on the DES-7210/7206 back
DES-7200 Series Quick Installation Guide
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