Appendix A Customer Support; Required Information - ZyXEL Communications XGS2210-28 User Manual

In the event of problems that cannot be solved by using this manual, you should contact your vendor. If
you cannot contact your vendor, then contact a Zyxel office for the region in which you bought the
device.
See http://www.zyxel.com/homepage.shtml
http://www.zyxel.com/about_zyxel/zyxel_worldwide.shtml
Please have the following information ready when you contact an office.

Required Information

• Product model and serial number.
• Warranty Information.
• Date that you received your device.
• Brief description of the problem and the steps you took to solve it.
Corporate Headquarters (Worldwide)
Taiwan
• Zyxel Communications Corporation
• http://www.zyxel.com
Asia
China
• Zyxel Communications (Shanghai) Corp.
Zyxel Communications (Beijing) Corp.
Zyxel Communications (Tianjin) Corp.
• http://www.zyxel.cn
India
• Zyxel Technology India Pvt Ltd
• http://www.zyxel.in
Kazakhstan
• Zyxel Kazakhstan
• http://www.zyxel.kz
A
Customer Support
and also
XGS2210 Series User's Guide
500
P P E N D I X
for the latest information.
A