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9. If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed 15 amperes. 10.Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel. About this Manual About this Manual This user manual gives you all the information you need to operate the AcerHub ALH-608ds dual-speed Ethernet hubs properly. Note: ALH-608ds is the model number of AcerHub 608ds.This model number "ALH-608ds" will be used through this manual. Manual Structure This user manual consists of Quick Installation Guide, four chapters and one appendix as follows: Quick Installation Guide Chapter 1 Overview This chapter describes the features and functions of the AcerHub ALH-608ds hub, and the items in the package. Chapter 2 Make Your Hub Ready This chapter describes the installation procedures to quickly make your hub ready for networking and the easiest way to find out if the hub is working well. Chapter 3 Building Feasible Networks This chapter describes the network topology for hybrid 10Mbps and 100Mbps networks, cabling requirements for connections, and the interoperability between other hubs and switches. A detailed introduction of the bridged uplink port will also be given. Chapter 4 Troubleshooting This chapter provides a simple troubleshooting guideline that you can follow to eliminate errors for quick network recovery. Appendix A Specifications Table of Contents Table of Contents 1.1 Product goal 1-1 1.2 Product features 1-1 1.3 Product configuration 1-2 Chapter 2 Make Your Hub Ready 2.1 Connecting to the external power supply 2-1 2.2 Installing the hub on your working surface 2-4 2.3 Connecting to computers 2-7 2.4 Does the hub work well? 2-9 2.4.1 LED overview 2-9 2.4.2 System status indicators 2-10 2.4.3 Network status indicators 2-11 2.4.4 Network utilization indicators 2-12 Chapter 3 Building Feasible Networks 3.1 Network topology for AcerHub ALH-608ds 3-1 3.2 Interconnection to hubs and switches 3-4 Chapter 4 Troubleshooting Appendix A Specifications Quick Installation Guide Quick Installation Guide . Unpack the AcerHub ALH-608ds dual-speed Hub and it's accessories (refer section 1.3). 2. Connect the Hub to the external Power supply (refer to section 2.4.1) 3. Use the normal ports to connect to PCs and computers. 4. Use the uplink port to connect to another hub or LAN switch. 1.1.w Congratulations on your purchase of the AcerHub 608ds. The AcerHub ALH608ds is a 8-port dual-speed fast Ethernet repeater hub for connection with multiple PCs to a workgroup LAN (Local Area Network) environment to share network resources. 1.1 Product goal AcerHub ALH-608ds provides high-speed and easy access to the LAN and Intranet both for SOHO (Small Office/ Home Office) and corporations. It allows data transmission at speeds of 10 Mbps or 100Mbps, depending if the connected device is running at 10Mbps or 100Mbps. Besides the high-speed data access, the AcerHub ALH-608ds also supports one uplink port for Class- II cascading connection between hub stacks. The uplink port will support the bridge function that permits a distance of 100 meters for data transmission in Class-II cascading and eliminates the repeater count limitation in IEEE 802.3u specifications. It will be easy to construct your own LAN with ALH-608ds by this explicit expanding capability of data transmitting distances and user accounts. Installation of AcerHub ALH-608ds is relatively simple and all you have to do is plug the cables from the adapter cards to the ports, check the LEDs and you can start networking. 1.2 Product Features AcerHub ALH-608ds provides the following features: • 8-port dual-speed hub, each port is a 10/100 Mbps dual-speed connection with network speed auto-detection • Fully complies with IEEE 802.3 and 802.3u specifications • Built-in switching function to connect 10 and 100Mbps network domains • Stackable function to provide maximum stacking of 5 sets as a single hub count by SCSI-II cables • In slave hub mode, an uplink port with bridge function which provides scalable network expansion.(This function is very useful in constructing a User's Manual large network,refer section 3.1 for details.) large network,refer section 3.1 for details.) Built-in switch auto-disable function to avoid data looping when stacking • External switching power supply for lower power consumption and heat emission • Compact design for SOHO desktop environment for easy networking 1.3 Product configuration The product configuration inside the package is shown in the figure 1-1. Please check the contents of the package if there is any missing part before using the hub. The accessories of this product include: ALH-608ds dual-speed hub 1 piece Ext...