Zyxel GS1920-48HP ~EOL GS1920-48HP GbE Smart Managed Switch

Zyxel GS1920 User Guide - Page 375

For GS1920-48HP ~EOL.

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375
APPENDIX A
Customer Support
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. Regional websites are listed below.
See also 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
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