00 Edition 2, 4/2011 www. zyxel. com www. zyxel. com Copyright © 2011 ZyXEL Communications Corporation About This User's Guide About This User's Guide Intended Audience This manual is intended for people who want to use and install the Switch. Documentation Feedback Send your comments, questions or suggestions to: techwriters@zyxel. tw Thank you! The Technical Writing Team, ZyXEL Communications Corp. , 6 Innovation Road II, Science-Based Industrial Park, Hsinchu, 30099, Taiwan. Need More Help? More help is available at www. zyxel. · Download Library Search for the latest product updates and documentation from this link. Read the Tech Doc Overview to find out how to efficiently use the User Guide, Quick Start Guide and Command Line Interface Reference Guide in order to better understand how to use your product. · Knowledge Base If you have a specific question about your product, the answer may be here. This is a collection of answers to previously asked questions about ZyXEL products. · Forum This contains discussions on ZyXEL products. Learn from others who use ZyXEL products and share your experiences as well. Customer Support Should problems arise that cannot be solved by the methods listed above, 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. ES1100 Series User's Guide 3 About This User's Guide See http://www. zyxel. com/web/contact_us. php for contact information. Please have the following information ready when you contact an office. · 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...