vBefore You BeginThis guide describes how to install, cable, maintain, and troubleshoot the High-Speed SerialInterface (HSSI) module for the NETBuilder II ® base system. The information in this guideapplies to the NETBuilder II 4-slot chassis and the NETBuilder II 8-slot chassis.For more information about the NETBuilder II base system installation, refer to theNETBuilder II Base System Installation Guide.This guide is intended for the system administrator, network equipment installer, or networkmanager who is responsible for installing and managing the network hardware. It assumes aworking knowledge of network operations, but it does not assume prior knowledge of 3Cominternetworking equipment.NOTE: If the information in the release note shipped with your software differs from theinformation in this guide, follow the release note.How to Use This GuideThe following list shows where to find specific information. Refer to the documentationroadmap in the front of this manual for information on related manuals.ConventionsIf you are looking for: Turn to:Installation procedure Chapter 1Troubleshooting and maintenance information Chapter 2Description of the HSSI module components Appendix ATechnical support information Appendix B“Enter” vs. “Type” When the word “enter” is used in this manual, it means typesomething, then press the Return key. Do not press theReturn key when an instruction simply says “type.”Text represented asscreen displayThis typeface is used to represent displays thatappear on your terminal screen and commands that youenter, for example:setd !3 -path cl = eBold vs. plain text inproceduresBold text summarizes the task you must perform. Plain textprovides additional information, for example:3. Assign a name to port 1.Use a name that is easy to remember.