P-660H/HW-D Series User's Guide
Please refer to www.zyxel.com for an online glossary of networking terms and additional
support documentation.
User Guide Feedback
Help us help you. E-mail all User Guide-related comments, questions or suggestions for
improvement to techwriters@zyxel.com.tw or send regular mail to The Technical Writing
Team, ZyXEL Communications Corp., 6 Innovation Road II, Science-Based Industrial Park,
Hsinchu, 300, Taiwan. Thank you.
Graphics Icons Key
ZyXEL Device
Server
Telephone
Wireless Signal
33
Computer
DSLAM
Switch
Notebook computer
Firewall
Router
Preface