User ManualTable of ContentsContents3Chapter 1 Product Overview 13Chapter 2 Installing and Using the 4-Port PoweredUSB Hub 331 Product Overview5Product features5License note5Documentation note52 Installing and Using the 4-Port PoweredUSB Hub72.1 Product Components List72.2 Product Compatibility82.3 Installation92.4 Connections92.4.1 Power Supply92.4.2 Host Connector102.4.3 PoweredUSB Connections102.4.4 Connector Color Keys112.4.5 Peripherals Connections to the SiP VoIP and PoE Speaker112.4.6 Peripheral Cable Connection Options13PoweredUSB cable sources132.5 Operation14POS peripheral caveat142.6 Port Electrical Specifications16Standard USB lower A supply16PoweredUSB supply16Appendix A: Regulatory and Safety Information17Regulatory standards17Safety standards17EMC17CE Declaration of Conformity17Appendix B: Setting up the Hub on Windows XP19Appendix C: Troubleshooting/Technical Support21C.1 Frequently Asked Questions (FAQ)21C.2 Documentation21C.3 Contact Information21Contact21Sales21Technical Support21Returned Materials Authorization21C.4 Warranty22Index23Size: 713 KBPages: 24Language: EnglishOpen manual