Sun Microsystems 820-4733-10 service manual Removing Power Supplies, Removing a Power Supply

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3.3Removing Power Supplies

▼Removing a Power Supply

1.Determine which power supply is to be removed.

2.Use the disablepsu command to bring the power supply to a standby state.

3.At the power supply, remove the power cord.

See FIGURE 3-2.

FIGURE 3-1Removing the Power Cord

The power supply is completely powered off.

4.Swing the release lever of the power supply out and to the right.

See FIGURE 3-2.

Chapter 3 Power Supply Service Procedures

3-3

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Contents Sun Datacenter Switch Please Recycle Contents Fan Service Procedures Fabric Card Service Procedures Index Index-1 Preface Using Unix CommandsRelated Documentation Shell PromptsTypographic Conventions Sun Welcomes Your Comments Documentation, Support, and TrainingPage Switch Chassis Sun Datacenter Switch Overview1Parts of the Switch Chassis Power SuppliesFan Units 2Parts of the Power Supplies3Parts of the Fan Units Chassis Management Controllers4Parts of the CMCs Fabric Cards2lists the Ipmb addresses for the fabric cards Line Cards3lists the Ipmb addresses for the line cards Page Removing the Filler Panel Filler PanelsTurn the levers counter-clockwise to the unlock position 2Removing the Filler Panel Installing the Filler PanelSlide the filler panel into the chassis until it stops Tools Midplane Connector PinsInspecting the Pins on the Rear Side of the Midplane Connector identified is FC-R13-F15 Look for any light reflection inconsistencies Inspecting the Pins on the Front Side of the Midplane Connector identified is LC-C14-L10 Look at the pins as straight on. See Figure 10Locating the Bent Pin and Surrounding Pins Removing PinsRemoving a Pin With Needle-Nose Pliers 11Using Pliers to Pull a Pin Inserting PinsRemoving Cable Plates Installing Cable PlatesCable Management Hardware 12Cable Plate Locations Removing Cable TreesIdentify the cable trees Installing Cable TreesFinger tighten the screw only Removing Cable Trays Installing Cable TraysCable Cautions InfiniBand CablesRemoving Cables From the Sun Datacenter Switch Attaching Cables to the Sun Datacenter Switch Plug the first cable into the connector at 23A Slowly move the connector Chassis Service Procedures Page Power Supply Service Procedures Powering Off Power Supplies Troubleshooting Power SuppliesRemoving a Power Supply Removing Power SuppliesSet the power supply aside Installing a Power Supply Installing Power SuppliesReconnect the power cord 6Attaching the Power Cord Powering On Power Supplies# enablepsu Removing a Fan Troubleshooting FansRemoving Fans 1Removing the Fan Installing Fans2Installing the Fan Installing a FanPage Chassis Management Controller Service Procedures Powering Off CMCs Troubleshooting CMCsRemoving a CMC Removing CMCsInstalling a CMC Installing CMCs2Installing and Securing the CMC Powering On CMCs Fabric Card Considerations Fabric Card Service Procedures1Fabric Card Status LEDs Troubleshooting Fabric CardsInspecting Fabric Cards Inspecting the Fabric Card iTRAC ConnectorsLook for any closed over or contaminated holes Inspecting the Retainers Inspecting the Fans# deactivate fc 14 Deactivating FC Powering Off Fabric CardsRemoving a Fabric Card Removing Fabric CardsInstalling a Fabric Card Installing Fabric CardsFabric Card Service Procedures # activate fc 14 Activating FC Powering On Fabric CardsCheckvoltages Checkswitches Showtemps Page Line Card Considerations Line Card Service Procedures1Line Card Status LEDs Troubleshooting Line CardsInspecting Line Cards Inspecting the Line Card iTRAC Connectors1Inspecting Line Card Connectors Inspecting the Line Card iPASS Connectors # deactivate lc 20 Deactivating LC Powering Off Line CardsRemoving a Line Card Removing Line CardsStop when the line card is halfway out. See Figure 5Turning Filler Panel Lock Levers Counter-Clockwise 6Installing the Filler Panel Installing a Line Card Installing Line Cards8Turning Filler Panel Lock Levers 9Removing the Filler Panel # activate lc 20 Activating LC Powering On Line CardsCheckvoltages Checkswitches Showtemps Page Index Page Switchover Clia command, 5-3,5-6