ZyXEL Communications NWD-490 Manuel D’Utilisation

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ZyXEL NWD-490 User Manual 
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6. Customer Support 
Please have the following information ready when you contact customer 
support. 
•  Product model and Serial number 
• Warranty 
Information 
•  Date that you received or purchased your device 
•  Brief description of the problem including any steps that you have 
taken before contacting the ZyXEL Customer Support 
Representative 
 
SUPPORT E-MAIL 
TELEPHONE 
WEB SITE 
support@zyxel.com +1-800-978-7222  www.zyxel.com