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Use only the following listed AC Adapters/Power
Supplies: HUAWEI: HW-050055E1W, HW-050055B1W,
HW-050055U1W, HW-050055A1W.
Charger safety
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For pluggable devices, the socket-outlet shall be installed
near the devices and shall be easily accessible.
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Unplug the charger from electrical outlets and the device
when not in use.
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Do not drop or cause an impact to the charger.
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If the power cable is damaged (for example, the cord is
exposed or broken), or the plug loosens, stop using it at
once. Continued use may lead to electric shocks, short
circuits, or fire.
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Do not touch the power cord with wet hands or pull the
power cord to disconnect the charger.
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Do not touch the device or the charger with wet hands.
Doing so may lead to short circuits, malfunctions, or
electric shocks.
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If your charger has been exposed to water, other liquids,
or excessive moisture, take it to an authorized service
center for inspection.
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Ensure that the charger meets the requirements of
Clause 2.5 in IEC60950-1/EN60950-1/UL60950-1 and
has been tested and approved according to national or
local standards.
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Connect the device only to products with the USB-IF logo
or with USB-IF compliance program completion.