Huawei HG521 Network Router User Manual


 
2
and then remove all the cables
ged due to lightning strikes.
Pr
from all persons.
z
ith the operation of
ctions on the use of the device.
e units (ICUs), or
Ar
z
d, for example, in
low the instructions indicated in text or symbols.
in the same box as inflammable liquids, gases,
Ac
z
get affected, the warranty for the
an injury may occur.
.
z
t the power adapter meets the requirements of Clause 2.5 in
it is tested and approved according to national or local
it off, remove all the cables connected to it, and then contact an authorized service
center.
z
During thunderstorms, power off the device,
connected to it to prevent it from getting dama
ecautions for Using Wireless Devices
z
The antenna(s) used for this transmitter must be installed to provide a separation
distance of at least 20 cm
z
Do not use the device where using wireless devices is prohibited or may cause
interference or danger.
The radio waves generated by the device may interfere w
electronic medical devices. If you are using any electrical medical device, contact
its manufacturer for the restri
z
Do not take the device into operating rooms, intensive car
coronary care units (CCUs).
eas with Inflammables and Explosives
Do not use the device where inflammables or explosives are store
a gas station, oil depot, or chemical plant. Otherwise, explosions or fires may occur.
In addition, fol
z
Do not store or transport the device
or explosives.
cessory Requirements
Use only the accessories supplied or authorized by the device manufacturer.
Otherwise, the performance of the device may
device or the laws and regulations related to telecommunications terminals may
become null and void, or
z
Do not use the power adapter if its cable is damaged. Otherwise, electric shocks or
fires may occur
z
Ensure that the power adapter meets the specifications indicated on the device
nameplate.
Ensure tha
IEC60950-1/EN60950-1 and
standards.
Safety of Children