Electrical Safety - Huawei GDQ54S12B-4A Technical Manual

GDQ54S12B-4A DC-DC Converter
Technical Manual

1.3 Electrical Safety

Operation Requirements
Failure to follow the operating procedures may cause personal injury or even
death.
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ESD
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Issue 02 (2021-09-03)
WARNING
Before installing or removing the converter, disconnect the upstream power
supply to the converter.
Before powering on the converter, ensure that the converter cables are
correctly connected.
If the converter has multiple inputs, disconnect all the inputs to completely
power it off before operating the converter.
Only qualified personnel are allowed to perform operations to prevent electric
shocks.
Before making electrical connections, disconnect the upstream power supply
to the converter if people may contact energized components.
Do not open, alter, or repair the product as the voltage inside the product is
high.
To ensure safety, connect the shell ground and the device ground reliably.
When installing the device, install the PE cable first. When uninstalling the
device, remove the PE cable last.
Do not operate the converter with wet hands. Otherwise, electric shocks may
occur.
If any damage or fault occurs during installation or operation, power off the
converter immediately and return it to the manufacturer for inspection or
repair.
In case of emergency, remove the power plug from the power outlet to
completely cut off the power supply.
When installing, operating, and maintaining the converter, comply with the
ESD protection regulations and wear the ESD clothing, gloves, and wrist strap.
When holding the converter, hold its edge without touching any components.
Do not touch the components with your bare hands.
Package the removed converter with ESD packaging materials before storing
or transporting it.
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1 Safety Information
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