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Yealink SIP-T57W
Quick Start Guide
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.
Yealink Warranty
The Yealink 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.
©2020 Peachtree Communications, Inc.. All rights reserved. PeachComm and the PeachComm family of marks
and logos are trademarks of Peachtree Communications, Inc.
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