North America
USA
•
ZyXEL Com m unicat ions, I nc. - Nort h Am erica Headqua rt ers
•
ht t p: / / www.zyxel.com / us/ en/
Oceania
Australia
•
ZyXEL Com m unicat ions Corporat ion
•
ht t p: / / www.zyxel.com / au/ en/
Africa
South Africa
•
Nology ( Pt y) Lt d.
•
ht t p: / / www.zyxel.co.za
Appendix A Customer Support
GS1900 Series User's Guide
233