What's Lightning Protection Requirements for the Proper Running of the server

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Power cables must not be led into the TR from above.

After a power cable is led into the TR, an industry-standard power surge protector should be installed at the entrance near the power cable and be connected to the nearest ground terminal. The ground cable should be as short as possible.

Signal cables must not be led into the TR from above.

After a signal cable is led into the TR, an industry-standard signal surge protector should be installed at the entrance near the signal cable and be connected to the nearest ground terminal. The ground cable should also be as short as possible.

Other related questions:
What's ESD Protection Requirements for the proper running of the server
Static electricity may damage the chips on integrated circuit boards and cause faults in software and electronic switches. Statistics show that 60 percent of damaged circuit boards are caused by static electricity. Therefore, it is essential to take effective ESD protection measures. The absolute value of electrostatic voltage must be less than 1000 V.

What's Wiring Requirements for the Proper Running of the server
Ground cables must not be bound or entwined with signal cables. If they are parallel, the distance between them cannot be shorter than 3 centimeters. The incoming and outgoing signal cables, power cables, and optical cables to and from an office must not twine around the signal cables and power cables in the TR. If they are parallel, the distance between them cannot be shorter than 5 centimeters. Ground cables must not be led in from above. They must be underground or arranged indoors. PGND cables should be routed straight and as short as possible, and must not spiral. A PGND cable should not be longer than 30 meters, and should be as short as possible. The protection ground bar should be installed at a place less than 30 meters away from the server.

What's the electromagnetic compatibility requirements for the proper running of the server
Electromagnetic Phenomenon Specifications Low frequency magnetic field Frequency (Hz) 50-20,000 Ampl. A/m (rms) 0.025-10 Amplitude modulation RF electric field Frequency (MHz) 0.009-18,000 Ampl. V/m (rms) < 3 Pulse modulation RF electric field Frequency (GHz) 1-18 Ampl. (V/m (peak)) < 3

What's Generic Grounding Requirements for the Proper Running of the server
The design for grounding should follow the principles of equal voltage and equal potential. In other words, the working grounding and protection grounding, including the shielded grounding and the surge protection grounding of the cable distribution frame are jointly grounded at the same grounding body set. Any uncharged metal objects in the TR, such as cable troughs, cable trays, cabinets, racks, shells, metal ventilation pipes, and metal doors and windows, should be grounded. The ground cable must be directly connected to the protection ground bar of the TR. The PGND cable should be a green-and-yellow insulated cable. NOTE: In North America, the PGND cable should be a green insulated cable. To decrease high-frequency impedance, copper, rather than aluminum, should be used as the conductor of the ground cable and the ground cable should be thick and short as much as possible. Ground connection should meet the following requirements: The joint face is conductive and cannot be painted. The joint face is clean. Surface contact should be used in connection and the connection area should meet the requirement for through-current capability. Connecting parts should be fixed securely. It is recommended that the same metal be used as connecting parts, because this prevents electrochemical corrosion. The PGND cable does not have any joint and no switch or fuse is installed on it. The AC neutral wire must not be used as a PGND cable. The cabinet shell and PGND cable must be insulated from the neutral wire of the AC power supply.

What's Organisms Environment Requirements for the Proper Running of the server
Plants and animals are not allowed in the TR. To meet these requirements, take the following measures in the TR: Keep the atmosphere dry. Prevent molds on everything. Block cable holes and antenna holes. Clean and sterilize the TR periodically.

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