Huawei Technologies Proprietary
Basic requirements
Before installing and using the IAD, read this manual
carefully.
In case of failure, this equipment must be returned to
HUAWEI Authorized Service Station for Servicing to ensure
compliance with safety requirements.
Maximum ambient temperature around the equipment must
not exceed 40 ; For safety operation, the equipment should
be connected to telecommunication network only with No.
26 AWG or lager telephone line.
Power supply
The voltage of the power supply shall meet the requirement
of the input voltage of the power adapter.
The equipment only can use the AC/DC adaptor that
provided with the equipment.
In the case of thundering, unplug the power adapter and all
cables.