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TP48200A-HT15D3 Outdoor Power System User Manual (Russia, Megafon)

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Electrical Safety

Electrical Safety

Grounding

  • When installing a device, install the ground cable first. When uninstalling a device, remove the ground cable last.
  • Before operating a device, ensure that the device is properly grounded. Ensure that the ground cable is installed securely (the ground resistance should be less than 0.1 ohm). Inappropriate grounding may cause device damage and personal injury.

AC and DC Power

  • The power system is powered by high-voltage power sources. Direct or indirect contact (through damp objects) with high-voltage power sources may result in serious injury or death.
  • Non-standard and improper operations may result in fire or electric shocks.
  • Before making electrical connections, turn off the protection switch on the upstream device to cut the power supply.
  • Before connecting the AC power supply, ensure that electrical connections are complete.
  • Before connecting cables to loads or battery cables, check cable and terminal polarities to prevent reverse connections.

ESD

  • To prevent electrostatic-sensitive components from being damaged by static from human bodies, wear a grounded electrostatic discharge (ESD) wrist strap or ESD gloves when touching circuit boards.
  • When holding a board, hold its edge without touching any components, especially chips.
  • Package boards with ESD packaging materials before storing or transporting them.

Liquid Prevention

  • Do not place the product in areas prone to water leakage, such as near air conditioner vents, ventilation vents, or feeder windows of the equipment room.
  • Ensure that there is no condensation inside the product or equipment room.
  • Ensure that no liquid enters the product. Otherwise, short circuits will occur and may result in serious injury or death.
  • If any liquid is detected inside the product, immediately disconnect the power supply and contact the administrator.
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Updated: 2019-03-05

Document ID: EDOC1000078967

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