Cisco 10720 Configuration Guide - Page 7

Contents 5 C H A P T E R 78-13062-10 Verify the PASS-THRU Mode 4-10 Using the show srp topology Command 4-10 Using the show srp ips Command 4-10 Fiber Misconnection 4-11 Alarm Messages 4-11 Alarm Messages 4-11 Basic Troubleshooting Ethernet for the Access Card 4-19 Verifying Interface Configuration 4-19 FastEthernet/GigabitEthernet Is up 4-20 Line Protocol Is up 4-20 Duplex Mode Setting 4-21 Speed Mode 4-21 Output Hang 4-21 CRC Field Counters 4-21 Late Collision 4-21 Carrier Signal 4-22 Cleaning the Fiber-Optic Connections 4-22 Maintaining the Cisco 10720 Internet Router 5-1 Overview 5-1 Safety Recommendations 5-1 Required Tools and Equipment 5-2 Tools 5-2 Field-Replaceable Units 5-2 Disconnecting Power from the Router 5-3 Overview 5-3 Disconnect Device Safety Warning 5-3 Tools and Equipment Required 5-4 Powering Down the Router 5-4 Verifying the Router Is Powered Down 5-6 Connecting Power to the Router 5-7 Safety 5-7 Tools and Equipment Required 5-7 Connecting the AC Power Supply 5-7 Connecting the DC Power Supply 5-9 Removing and Installing the Router Chassis Cover 5-13 Safety 5-13 Required Tools and Equipment 5-13 Removing the Router Cover 5-13 Cisco 10720 Internet Router Installation and Configuration Guide vii