Table of Contents
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• https://www.zyxel.com/co/es/
Brazil
• Zyxel Communications Brasil Ltda.
• https://www.zyxel.com/br/pt/
Colombia
• Zyxel Communications Corporation
• https://www.zyxel.com/co/es/
Ecuador
• Zyxel Communications Corporation
• https://www.zyxel.com/co/es/
South America
• Zyxel Communications Corporation
• https://www.zyxel.com/co/es/
Middle East
Israel
• Zyxel Communications Corporation
• http://il.zyxel.com/
North America
USA
• Zyxel Communications, Inc. – North America Headquarters
• https://www.zyxel.com/us/en/
Appendix A Customer Support
XS1930 Series User's Guide
373
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Table of Contents
Troubleshooting
