D-Link Xstack DES-3528 Series Hardware Installation Manual page 50

Tech Support
You can find software updates and user documentation on the D-
United States and within Canada for the duration of the service
period on this product. U.S. and Canadian customers can contact
Tech Support for customers within the United States:
Technical Support
D-Link provides free technical support for customers within the
period, and warranty confirmation service, during the warranty
D-Link technical support through our website, or by phone.
D-Link Technical Support over the Telephone:
USA - 877-DLINK-55 (877-354-6555)
D-Link Technical Support over the Internet:
http://support.dlink.com
Tech Support for customers within Canada:
D-Link Technical Support over the Telephone:
D-Link Technical Support over the Internet:
http://support.dlink.com
Link website.
877-354-6560