14 PrefaceFinding the latest updates on the Nortel web siteThe content of this documentation was current at the time of release. Tocheck for updates to the documentation and software for the Nortel EthernetRouting Switch 5500 Series, use the links provided in the following table.Software Nortel Ethernet Routing Switch 5500 Series SoftwareDocumentation Nortel Ethernet Routing Switch 5500 SeriesDocumentationHow to get helpIf a service contract for the Nortel product has been purchased from adistributor or authorized reseller, contact the technical support staff for thatdistributor or reseller for assistance.If a Nortel service program was purchased, contact Nortel TechnicalSupport.The following information is available online:• contact information for Nortel Technical Support• information about the Nortel Technical Solutions Centers• information about the Express Routing Code (ERC) for your productAn ERC is available for many Nortel products and services. When an ERCis used, the call is routed to technical support personnel who specializein supporting the service or product. The ERC for a particular product orservice is available online.The main Nortel support portal is available at http://www.nortel.com/support.Nortel Ethernet Routing Switch 5500 SeriesInstallationNN47200-300 2.00 Standard5.0 7 July 2006Copyright © 2005 - 2006, Nortel Networks Nortel Networks Confidential.