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• Do not tread on, pull, or over-bend any cable in case of malfunction of the device.
• 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 main-
tenance 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, stop using it and 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. Using a dirty or wet power plug may lead to electric shock or
other perils.
ENVIRONMENTAL RECYCLING
The unit cannot supply power to Yealink device.
There is a bad connection with the plug.
1. Clean the plug with a dry cloth.
2. Connect it to another wall outlet.
The usage environment is out of operating temperature range.
1. Use in the operating temperature range.
The cable between the unit and the Yealink device is connected incorrectly.
1. Connect the cable correctly.
You cannot connect the cable properly.
1. You may have connected a wrong Yealink device.
2. Use the correct power supply.
Some dust, etc., may be in the port.
1. Clean the port.
Contact your dealer or authorized service facility for any further questions.
Contact Information
YEALINK NETWORK TECHNOLOGY CO.,LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian, P.R.C
YEALINK (EUROPE) NETWORK TECHNOLOGY B.V.
Strawinskylaan 3127, Atrium Building, 8th floor, 1077ZX Amsterdam, The Netherlands
YEALINK (USA) NETWORK TECHNOLOGY CO., LTD.
999 Peachtree Street Suite 2300, Fulton, Atlanta, GA, 30309, USA
Made in China
10
Never dispose of the device with domestic waste
Ask your Town Council about how to dispose of it in an environmentally friendly way. The cardboarc
box, plastic packaging and player components may be recycled in accordance with prevailing
recycling regulations in your country.
Always adhere to prevailing regulations
Those who fail to do so may be fined or prosecuted in accordance with the law. The crossed out
garbage can that appears on the device means that when it has reached the end of its useful life, it
should be taken to a special waste disposal centre and treated separately to general urban waste.
Troubleshooting
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