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lightning protection, please note the following：
1. Make sure the rack and the ground to maintain good contact;
2. Make sure the power outlet is in good contact with the earth;
3. Reasonable wiring, to avoid the internal sense ray;
4. Outdoor wiring, it is recommended to use the signal lightning
protection device
Installation desk requirement
Regardless of whether the switch is installed in a rack or on another
horizontal workbench, be aware of the following:
1. Make sure the rack or workbench is stable, strong, and can
withstand at least 5.5Kg weight;
2. Make sure the rack has a good cooling system, or maintain
good indoor ventilation;
3. Make sure the rack is well grounded, the power outlet and
switch are within 1.5 meters
Prepare tools for installation
You may need to use a screwdriver during installation, electrostatic wrist
strap, fiber optic cable and other tools to prepare your own
