Sun Microsystems 820-4733-10 service manual Powering On CMCs

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5.5Powering On CMCs

When a CMC is plugged into a powered chassis, the CMC is powered on by the presence of standby voltage. Although the CMC is on, it might be inactive. A CMC can be made active, using the clia switchover command. For example:

#clia switchover

This Shelf Manager is now active, but is shutting down to trigger a switchover.

#

5-6Sun Datacenter Switch 3456 Service Manual • August 2008

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Contents Sun Datacenter Switch Please Recycle Contents Fan Service Procedures Fabric Card Service Procedures Index Index-1 Using Unix Commands PrefaceRelated Documentation Shell PromptsTypographic Conventions Documentation, Support, and Training Sun Welcomes Your CommentsPage Sun Datacenter Switch Overview Switch ChassisPower Supplies 1Parts of the Switch Chassis2Parts of the Power Supplies Fan UnitsChassis Management Controllers 3Parts of the Fan UnitsFabric Cards 4Parts of the CMCsLine Cards 2lists the Ipmb addresses for the fabric cards3lists the Ipmb addresses for the line cards Page Filler Panels Removing the Filler PanelTurn the levers counter-clockwise to the unlock position Installing the Filler Panel 2Removing the Filler PanelSlide the filler panel into the chassis until it stops Midplane Connector Pins ToolsInspecting 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 Removing Pins 10Locating the Bent Pin and Surrounding PinsRemoving a Pin With Needle-Nose Pliers Inserting Pins 11Using Pliers to Pull a PinRemoving Cable Plates Installing Cable PlatesCable Management Hardware Removing Cable Trees 12Cable Plate LocationsInstalling Cable Trees Identify the cable treesFinger tighten the screw only Installing Cable Trays Removing Cable TraysInfiniBand Cables Cable CautionsRemoving 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 Troubleshooting Power Supplies Powering Off Power SuppliesRemoving Power Supplies Removing a Power SupplySet the power supply aside Installing Power Supplies Installing a Power SupplyReconnect the power cord Powering On Power Supplies 6Attaching the Power Cord# enablepsu Removing a Fan Troubleshooting FansRemoving Fans Installing Fans 1Removing the FanInstalling a Fan 2Installing the FanPage Chassis Management Controller Service Procedures Troubleshooting CMCs Powering Off CMCsRemoving CMCs Removing a CMCInstalling CMCs Installing a CMC2Installing and Securing the CMC Powering On CMCs Fabric Card Service Procedures Fabric Card ConsiderationsTroubleshooting Fabric Cards 1Fabric Card Status LEDsInspecting the Fabric Card iTRAC Connectors Inspecting Fabric CardsLook for any closed over or contaminated holes Inspecting the Fans Inspecting the RetainersPowering Off Fabric Cards # deactivate fc 14 Deactivating FCRemoving Fabric Cards Removing a Fabric CardInstalling Fabric Cards Installing a Fabric CardFabric Card Service Procedures Powering On Fabric Cards # activate fc 14 Activating FCCheckvoltages Checkswitches Showtemps Page Line Card Service Procedures Line Card ConsiderationsTroubleshooting Line Cards 1Line Card Status LEDsInspecting the Line Card iTRAC Connectors Inspecting Line Cards1Inspecting Line Card Connectors Inspecting the Line Card iPASS Connectors Powering Off Line Cards # deactivate lc 20 Deactivating LCRemoving Line Cards Removing a Line CardStop when the line card is halfway out. See Figure 5Turning Filler Panel Lock Levers Counter-Clockwise 6Installing the Filler Panel Installing Line Cards Installing a Line Card8Turning Filler Panel Lock Levers 9Removing the Filler Panel Powering On Line Cards # activate lc 20 Activating LCCheckvoltages Checkswitches Showtemps Page Index Page Switchover Clia command, 5-3,5-6