Regulatory Notices
Operating Ambient Temperatures
Operating temperature: +32 to 104°F (0 to 40°C)
Relative humidity: 5% to 90%, noncondensing
Storage temperature: -22 to +160°F (-30 to +70°C)
Warranty
Our product warranty is limited only to the unit itself, when used normally
in accordance with the operating instructions and the system environment.
We are not liable for damage or loss resulting from the use of this product,
or for any claim from a third party. We are not liable for problems with
Yealink device arising from the use of this product; we are not liable for
financial damages, lost profits, claims from third parties, etc., arising from
the use of this product.
Explanation of the symbols
DC symbol
is the DC voltage symbol.
WEEE Warning symbol
To avoid the potential effects on the environment and human health
as a result of the presence of hazardous substances in electrical and
electronic equipment, end users of electrical and electronic
equipment should understand the meaning of the crossed-out wheeled bin
symbol. Do not dispose of WEEE as unsorted municipal waste and have to
collect such WEEE separately.
Restriction of Hazardous Substances Directive (RoHS)
This device complies with the requirements of the EU RoHS Directive.
Statements of compliance can be obtained by contacting [email protected].
Safety Instructions
Save these instructions. Read these safety instructions before use!
General Requirements
Before you install and use the device, read the safety instructions
carefully and observe the situation during operation.
During the process of storage, transportation, and operation, please
always keep the device dry and clean, avoid collision and crash.
Please attempt not to dismantle the device by yourself. In case of any
discrepancy, please contact the appointed maintenance center for repair.
Please refer to the relevant laws and statutes while using the device.
Legal rights of others should be respected as well.
Environmental Requirements
Place the device at a well-ventilated place. Do not expose the device
under direct sunlight.
Keep the device dry and free of dusts.
Do not place the device on or near any inflammable or fire-vulnerable
object, such as rubber-made materials.
Keep the device away from any heat source or bare fire, such as a candle
or an electric heater.
Operating Requirements
Do not let a child operate the device without guidance.
Do not let a child play with the device or any accessory in case of
accidental swallowing.
Please use the accessories provided or authorized by the manufacturer
only.
The power supply of the device shall meet the requirements of the input
voltage of the device. Please use the provided surge protection power
socket only.
Before plugging or unplugging any cable, make sure that your hands are
completely dry.
Do not spill liquid of any kind on the product or use the equipment near
water, for example, near a bathtub, washbowl, kitchen sink, wet
basement or near a swimming pool.
During a thunderstorm, stop using the device and disconnect it from the
power supply. Unplug the power plug and the Asymmetric Digital
Subscriber Line (ADSL) twisted pair (the radio frequency cable) to avoid
lightning strike.
If the device is left unused for a rather long time, disconnect it from the
power supply and unplug the power plug.
When there is smoke emitted from the device, or some abnormal noise
or smell, disconnect the device from the power supply, and unplug the
power plug immediately.
Contact the specified maintenance center for repair.
Do not insert any object into equipment slots that is not part of the
product or auxiliary product.
Before connecting a cable, connect the grounding cable of the device
first. Do not disconnect the grounding cable until you disconnect all other
cables.
Cleaning Requirements
Before cleaning the device, disconnect it from the power supply.
Use a piece of soft, dry and anti-static cloth to clean the device.
Keep the power plug clean and dry.