User manual ZYXEL ES3500-24

[. . . ] · Do NOT open the device or unit. Opening or removing covers can expose you to dangerous high voltage points or other risks. ONLY qualified service personnel can service the device. Please contact your vendor for further information. [. . . ] Products must be returned Postage Prepaid. It is recommended that the unit be insured when shipped. Any returned products without proof of purchase or those with an out-dated warranty will be repaired or replaced (at the discretion of ZyXEL) and the customer will be billed for parts and labor. All repaired or replaced products will be shipped by ZyXEL to the corresponding return address, Postage Paid. This warranty gives you specific legal rights, and you may also have other rights that vary from country to country. 4 ZyXEL Limited Warranty ES3500-24/1024B User's Guide Customer Support Please have the following information ready when you contact customer support. · · · · Product model and serial number. Brief description of the problem and the steps you took to solve it. METHOD SUPPORT E-MAIL LOCATION CORPORATE HEADQUARTERS (WORLDWIDE) SALES E-MAIL TELEPHONE* FAX WEB SITE REGULAR MAIL FTP SITE www. zyxel. com ZyXEL Communications Corp. www. europe. zyxel. com 6 Innovation Road II Science Park ftp. zyxel. com Hsinchu 300 Taiwan ftp. europe. zyxel. com www. zyxel. cz ZyXEL Communications Czech s. r. o. Modranská 621 143 01 Praha 4 - Modrany Ceská Republika ZyXEL Communications A/S Columbusvej 5 2860 Soeborg Denmark ZyXEL Communications Oy Malminkaari 10 00700 Helsinki Finland ZyXEL France 1 rue des Vergers Bat. 1 / C 69760 Limonest France ZyXEL Deutschland GmbH. 20/A2 D-52146 Wuerselen Germany ZyXEL Communications Inc. 14 Table 2 The Front Panel LED Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 3 Troubleshooting Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 4 Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 List of Tables 5 ES3500-24/1024B User's Guide 6 List of Tables ES3500-24/1024B User's Guide Preface Congratulations on your purchase of the Dimension Ethernet Switch. About the Dimension Ethernet Switches The Dimension switch is a cost effective Fast Ethernet switch ideal for setting up a small workgroup or for bridging two separate networks. The ES3500-24 comes with 16 10/100M ports and the ES-1024B with 24 10/100M ports. Related Documentation · Support Disk Refer to the included CD for support documents. · Quick Start Guide The Quick Start Guide is designed to help you get up and running right away. It contains a detailed easy-to-follow connection diagram and instructions on how to install and connect the hardware in your network. Supports Back-Pressure-Base flow control on Half-duplex ports. Supports Pause-Frame-Base flow control on Full-duplex ports. Embedded 8K MAC address table providing 8000 MAC addresses entries. Standard 19-inch rack-mount design. Chapter 1 Getting to Know Your Switch 9 ES3500-24/1024B User's Guide 1. 3 Package Contents Compare the contents of your ES package with the checklist below. [. . . ] For more information on network cable types, see Section 2. 2. 2 on page 14. Chapter 3 Troubleshooting 15 ES3500-24/1024B User's Guide 3. 2 Improper Network Cabling and Topology Improper network cabling or topology setup is a common cause of poor network performance or even network failure. Figure 8 Troubleshooting Improper Network Cabling and Topology PROBLEM Faulty cables CORRECTIVE ACTION Using faulty network cables may affect data rates and have an impact on your network performance. Replace with new standard network cables. Non-standard Non-standard cables may increase the number of network collisions and cause other network cables network problems that affect your network performance. Refer to Section 2. 2. 2 on page 14 for more information on network cable types. Cabling Length If you use longer cables than are needed, transmission quality may be affected. [. . . ]