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Sun Microsystems 820-4733-10 1.4 Chassis Management Controllers

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1-4 Sun Datacenter Switch 3456 Service Manual • August 2008

FIGURE1-3 Parts of the Fan Units

1.4 Chassis Management Controllers

FIGURE1-4 describes the various parts of the chassis management controllers (CMCs).

FigureLegend

1Fabriccard connector

2Thumbscrews

3Status LED

Contents

Main Please Recycle Contents Page Page Page Preface Using UNIX Commands Shell Prompts Typographic Conventions The documents listed as online are available at: Related Documentation Documentation, Support, and Training Sun Welcomes Your Comments Page Sun Datacenter Switch 3456 Overview 1.1 Switch Chassis 1.2 Power Supplies 1.3 Fan Units 1.4 Chassis Management Controllers 1.5 Fabric Cards 1.6 Line Cards Page Page Chassis Service Procedures 2.1 Filler Panels Removing the Filler Panel Page Installing the Filler Panel Page 2.2 Midplane Connector Pins Caution 2.2.1 Tools Note Inspecting the Pins on the Rear Side of the Midplane Page Page Page Page Note Removing Pins Removing a Pin With Needle-Nose Pliers Inserting Pins 2.3 Cable Management Hardware Removing Cable Plates Installing Cable Plates Note Removing Cable Trees Note Installing Cable Trees Note Page Removing Cable Trays Note Installing Cable Trays 2.4 InfiniBand Cables 2.4.1 Cable Cautions Caution Removing Cables From the Sun Datacenter Switch 3456 Caution Attaching Cables to the Sun Datacenter Switch 3456 Note Page Page Page Page Power Supply Service Procedures 3.1 Troubleshooting Power Supplies 3.2 Powering Off Power Supplies 3.3 Removing Power Supplies Removing a Power Supply Page 3.4 Installing Power Supplies Installing a Power Supply Page 3.5 Powering On Power Supplies Page Fan Service Procedures 4.1 Troubleshooting Fans Note 4.2 Removing Fans Removing a Fan 4.3 Installing Fans Note Installing a Fan Page Chassis Management Controller Service Procedures 5.1 Troubleshooting CMCs 5.2 Powering Off CMCs Note 5.3 Removing CMCs Removing a CMC 5.4 Installing CMCs Installing a CMC Page Page Fabric Card Service Procedures 6.1 Fabric Card Considerations Caution 6.2 Troubleshooting Fabric Cards 6.3 Inspecting Fabric Cards Caution Inspecting the Fabric Card iTRAC Connectors Note Inspecting the Fans Inspecting the Retainers 6.4 Powering Off Fabric Cards Caution 6.5 Removing Fabric Cards Removing a Fabric Card Caution 6.6 Installing Fabric Cards Installing a Fabric Card Caution Note 6.7 Powering On Fabric Cards Page Page Line Card Service Procedures 7.1 Line Card Considerations Caution 7.2 Troubleshooting Line Cards 7.3 Inspecting Line Cards Caution Inspecting the Line Card iTRAC Connectors Note Inspecting the Line Card iPASS Connectors Inspecting the Retainers 7.4 Powering Off Line Cards 7.5 Removing Line Cards Removing a Line Card Caution Page Page Page 7.6 Installing Line Cards Installing a Line Card Caution Page Note 7.7 Powering On Line Cards Page Page Index A C D E F I L M P R S T