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Contents

  1. Preface
  2. Chapter 1 Before Starting Maintenance Work
    1.  1.1 Warning/Caution Indications
    2.  1.2 Labels/Tags
    3.  1.3 Safety Precautions
    4.  1.4 Notes Regarding Static Electricity
    5.  1.5 Other Precautions
    6.  1.6 Emergency Power Off
    7. Click 1.7 Important Information About the XCP Firmware
  3. Chapter 2 Understanding the PCI Expansion Unit Components
    1.  2.1 Identifying the Names and Locations of Components
    2. Click 2.2 Checking the Status With the LEDs
  4. Chapter 3 Types of Maintenance
    1.  3.1 Maintenance Types of the PCI Expansion Unit
    2.  3.2 Types of Maintenance for the Link Card
    3. Click 3.3 Types of Maintenance for the PCIe Card
  5. Chapter 4 Preparation and Precautions for Maintenance
    1. Click 4.1 Troubleshooting
    2. Click 4.2 Precautions for Maintenance
  6. Chapter 5 Preparations Required for Maintenance
    1.  5.1 Preparing Tools Required for Maintenance
    2.  5.2 Checking the PCI Expansion Unit Requiring Maintenance and the Destination Physical Partition
    3.  5.3 Checking the Firmware Version of the PCI Expansion Unit
    4. Click 5.4 Checking the Operating Condition and Resource Usage Status
    5. Click 5.5 Releasing the Link Card or PCIe Card From the System
    6.  5.6 Stopping the FRU Requiring Maintenance
    7. Click 5.7 Accessing a FRU
  7. Chapter 6 Understanding the Preparations for Restoring the System
    1. Click 6.1 Restoring the Chassis of the PCI Expansion Unit
    2.  6.2 Supplying Power to the FRU Requiring Maintenance
    3. Click 6.3 Mounting a Link Card or PCIe Card on the System
    4. Click 6.4 Restoring the Logical Domain to the Status It Had Before Maintenance
    5.  6.5 Turning Off the CHECK LED (Locator) of the PCI Expansion Unit
    6. Click 6.6 Updating the Firmware of the PCI Expansion Unit
  8. Chapter 7 Maintenance Flow
    1. Click 7.1 FRU Replacement Workflow for the PCI Expansion Unit
    2. Click 7.2 FRU Addition Workflow for the PCI Expansion Unit
    3. Click 7.3 FRU Removal Workflow for the PCI Expansion Unit
    4. Click 7.4 Link Card Maintenance Workflow
  9. Chapter 8 Maintaining the PCI Express Cards
    1.  8.1 Before Maintaining a PCI Express Card
    2.  8.2 Configuration of the PCIe Cards
    3. Click 8.3 Removing a PCI Express Card
    4. Click 8.4 Installing a PCI Express Card
  10. Chapter 9 Maintaining the Link Board
    1.  9.1 Before Maintaining the Link Board
    2.  9.2 Configuration of the Link Board
    3. Click 9.3 Removing the Link Board
    4. Click 9.4 Installing the Link Board
  11. Chapter 10 Maintaining the Link Cards
    1.  10.1 Before Maintaining a Link Card
    2.  10.2 Configuration of a Link Card
    3.  10.3 Removing a Link Card
    4.  10.4 Installing a Link Card
  12. Chapter 11 Maintaining the Link Cables
    1.  11.1 Before Maintaining a Link Cable
    2.  11.2 Configuration of the Link Cable Connection Ports
    3.  11.3 Removing a Link Cable
    4.  11.4 Installing a Link Cable
  13. Chapter 12 Maintaining the Management Cable
    1.  12.1 Before Maintaining the Management Cable
    2.  12.2 Configuration of the Management Cable Connection Port
    3.  12.3 Removing the Management Cable
    4.  12.4 Installing the Management Cable
  14. Chapter 13 Maintaining the Power Supply Units
    1.  13.1 Before Maintaining a Power Supply Unit
    2.  13.2 Configuration of the Power Supply Units
    3.  13.3 Removing a Power Supply Unit
    4.  13.4 Installing a Power Supply Unit
  15. Chapter 14 Maintaining the Fan Units
    1.  14.1 Before Maintaining a Fan Unit
    2.  14.2 Configuration of the Fan Units
    3. Click 14.3 Removing a Fan Unit
    4. Click 14.4 Installing a Fan Unit
  16. Chapter 15 Maintaining the PCI Tray
    1.  15.1 Before Maintaining the PCI Tray
    2.  15.2 Configuration of the PCI Tray
    3. Click 15.3 Removing the PCI Tray
    4. Click 15.4 Installing the PCI Tray
  17. Chapter 16 Maintaining the I/O Board
    1.  16.1 Before Maintaining the I/O Board
    2.  16.2 Configuration of the I/O Board
    3. Click 16.3 Removing the I/O Board
    4. Click 16.4 Installing the I/O Board
  18. Chapter 17 Maintaining the Fan Backplane
    1.  17.1 Before Maintaining the Fan Backplane
    2.  17.2 Fan Backplane Location
    3. Click 17.3 Removing the Fan Backplane
    4. Click 17.4 Installing the Fan Backplane
  19. Appendix A Component List
  20. Appendix B Component Specifications
    1.  B.1 PCI Express Card
    2.  B.2 Link Board
    3.  B.3 Power Supply Unit
    4.  B.4 Fan Unit
    5.  B.5 PCI Tray
    6.  B.6 I/O Board
    7.  B.7 Fan Backplane
  21. Appendix C Problems During Firmware Update

B.4 Fan Unit


B.4 Fan Unit
Three fan units are mounted in the chassis to create flow that forces air out of the chassis. The redundant configuration of the fan units allows the system to continue running even if one of them fails.
Table B-4 lists the specifications of the fan unit.
Table B-4  Fan Unit Specifications
Item Description
Number of fan units
 3
Redundancy
 2+1 redundant configuration
Location
 Front of chassis
Active/Hot maintenance
 Supported
Active/Cold maintenance
 Supported (with SPARC M10-4/M10-4S connected)
Inactive/Hot maintenance
 Supported
Inactive/Cold maintenance
 Supported
System-stopped maintenance
 Supported
For the maintenance procedure, see "Chapter 14 Maintaining the Fan Units."

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