Installing the Disk Drive 69Mounting the NBX 100 Chassis 71Powering Your NBX 100 System 74Installing the SuperStack 3 NBX System 74Rack-mounting the SuperStack 3 NBX Call Processor 74Mounting the NBX Gateway Chassis 75Installing a Second Disk for Disk Mirroring 76Powering Your SuperStack 3 NBX System 77Configuring NBX System Networking 78Establishing IP Connectivity 79Modifying Default IP Settings 79Configuring IP Addresses for Your LAN 82Establishing LAN Connections 82Connecting Cards and Devices 83Connecting Analog Line Cards 84Connecting Digital Line Cards 85Connecting Analog Terminal Cards 85Connecting an Analog Terminal Adapter 86Connecting a 3Com Attendant Console 88Selecting Regional Software and Components 90Installing Regional Software and Components 90Using Auto Discover for Initial System Configuration 91Initial System Configuration 93Disabling the Auto Discover Feature 95Configuring the Operating Mode 95Reassigning Extensions and Setting Line Card Port Options 96Connecting Telephone Lines 100Adding External Hardware 100Connecting a Music-on-Hold (MOH) Input Device 100Connecting a Paging Amplifier 100Configuring Routing Devices 1013 TELEPHONES AND A TTENDANT C ONSOLESAdding Telephones 103Adding Telephones During System Installation 103Adding a 3Com Attendant Console 113Auto Discover an Attendant Console 115