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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
  3. Chapter 2 Understanding the System Components
    1.  2.1 Identifying the Names and Locations of Components
    2. Click 2.2 Confirming the Functions of the Operation Panel
    3. Click 2.3 Checking the LED Indications
    4. Click 2.4 Confirming the Types of Cable
  4. Chapter 3 Types of Maintenance
    1. Click 3.1 Types of Maintenance Supported for the Crossbar Box
    2.  3.2 Active Maintenance
    3.  3.3 Inactive Maintenance
    4.  3.4 System-Stopped Maintenance
  5. Chapter 4 Preparation and Precautions for Maintenance
    1. Click 4.1 Confirming the System Configuration
    2. Click 4.2 Troubleshooting
    3. Click 4.3 Maintenance Precautions
  6. Chapter 5 Enabling the Removal of a FRU Requiring Maintenance
    1.  5.1 Preparing Tools Required for Maintenance
    2. Click 5.2 Releasing the Chassis for a Connecting Physical Partition From the System
    3.  5.3 Saving XSCF Setting Information
    4. Click 5.4 Releasing FRUs of the Crossbar Box From the System With the replacefru Command
    5. Click 5.5 Accessing a FRU
  7. Chapter 6 Restoring the System
    1. Click 6.1 Restoring the Chassis
    2. Click 6.2 Incorporating the FRUs of the Crossbar Box Into the System With the replacefru Command
    3. Click 6.3 Diagnosing a Replacement FRU
    4.  6.4 Restoring XSCF Setting Information
    5.  6.5 Incorporating a Chassis Into a Physical Partition
    6.  6.6 Returning the Mode Switch to Locked Mode
    7.  6.7 Powering On the Physical Partition Requiring Maintenance
    8. Click 6.8 Starting the Entire System
  8. Chapter 7 Maintenance Flow
    1.  7.1 Maintenance Workflow
    2.  7.2 Active Maintenance Flow
    3.  7.3 Inactive Maintenance Flow
    4. Click 7.4 System-Stopped Maintenance Flow
  9. Chapter 8 Maintaining the XSCF Unit
    1.  8.1 Before Maintaining an XSCF Unit
    2.  8.2 Location of the XSCF Unit
    3.  8.3 Maintenance Precautions
    4.  8.4 Removing the XSCF Unit
    5.  8.5 Switching the microSD Card
    6.  8.6 Installing the XSCF Unit
    7.  8.7 Checking the XCP Firmware Version
  10. Chapter 9 Maintaining the XSCF BB Control Cables
    1.  9.1 Before Maintaining an XSCF BB Control Cable
    2.  9.2 Configuration of the XSCF BB Control Ports
    3.  9.3 Removing an XSCF BB Control Cable
    4.  9.4 Installing an XSCF BB Control Cable
  11. Chapter 10 Maintaining the XSCF DUAL Control Cables
    1.  10.1 Before Maintaining an XSCF DUAL Control Cable
    2.  10.2 Configuration of the XSCF DUAL Control Ports
    3.  10.3 Removing an XSCF DUAL Control Cable
    4.  10.4 Installing an XSCF DUAL Control Cable
  12. Chapter 11 Maintaining the Crossbar Cables (Optical)
    1.  11.1 Before Maintaining a Crossbar Cable (Optical)
    2.  11.2 Configuration of Connection Ports for Crossbar Cables (Optical)
    3.  11.3 Removing a Crossbar Cable (Optical)
    4.  11.4 Installing a Crossbar Cable (Optical)
  13. Chapter 12 Maintaining the Crossbar Units
    1.  12.1 Before Maintaining a Crossbar Unit
    2.  12.2 Configuration of the Crossbar Units
    3.  12.3 Removing a Crossbar Unit
    4.  12.4 Installing a Crossbar Unit
  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 XSCF Interface Unit
    1.  14.1 Before Maintaining an XSCF Interface Unit
    2.  14.2 Location of the XSCF Interface Unit
    3.  14.3 Maintenance Precautions
    4.  14.4 Removing the XSCF Interface Unit
    5.  14.5 Installing the XSCF Interface Unit
  16. Chapter 15 Maintaining the Fan Units
    1.  15.1 Before Maintaining a Fan Unit
    2.  15.2 Configuration of the Fan Units
    3. Click 15.3 Removing a Fan Unit
    4. Click 15.4 Installing a Fan Unit
  17. Chapter 16 Maintaining the Fan Backplane
    1.  16.1 Before Maintaining a Fan Backplane
    2.  16.2 Configuration of the Fan Backplane
    3. Click 16.3 Removing the Fan Backplane
    4. Click 16.4 Installing the Fan Backplane
  18. Chapter 17 Maintaining the Operation Panel
    1.  17.1 Before Maintaining the Operation Panel
    2.  17.2 Location of the Operation Panel
    3.  17.3 Maintenance Precautions
    4. Click 17.4 Removing the Operation Panel
    5. Click 17.5 Installing the Operation Panel
  19. Chapter 18 Maintaining the Cable Kit
    1.  18.1 Before Maintaining a Cable Kit
    2. Click 18.2 Configuration of the Cable Kit
    3. Click 18.3 Removing the Cable Kit
    4. Click 18.4 Installing the Cable Kit
  20. Chapter 19 Maintaining the Crossbar Backplane Unit
    1.  19.1 Before Maintaining a Crossbar Backplane Unit
    2.  19.2 Location of the Crossbar Backplane Unit
    3.  19.3 Removing the Crossbar Backplane Unit
    4.  19.4 Installing the Crossbar Backplane Unit
  21. Chapter 20 Maintaining the Dedicated Power Distribution Unit Mounted on the Rack for Expanded Connection
    1.  20.1 Before Maintaining a Dedicated Power Distribution Unit
    2. Click 20.2 Configuration of the Dedicated Power Distribution Unit
    3. Click 20.3 Removing the Dedicated Power Distribution Unit
    4.  20.4 Installing the Dedicated Power Distribution Unit
  22. Appendix A Component List
  23. Appendix B Component Specifications
    1.  B.1 Crossbar Unit
    2.  B.2 XSCF Unit
    3.  B.3 XSCF Interface Unit
    4.  B.4 Power Supply Unit
    5.  B.5 Fan Unit
    6.  B.6 Various Backplanes
    7.  B.7 Operation Panel
  24. Appendix C External Interface Specifications
    1. Click C.1 Serial Port
    2.  C.2 USB Port
    3.  C.3 RESET Switch
  25. Appendix D Removing the Lithium Battery
    1.  D.1 Location of the Lithium Battery
    2.  D.2 Removing the Lithium Battery

11.4 Installing a Crossbar Cable (Optical)


11.4 Installing a Crossbar Cable (Optical)
This section describes the procedure for connecting the crossbar cables (optical).
  1. Attach the supplied connection destination label to the new replacement crossbar cable (optical).
    For the new crossbar cable (optical), use the same type of label as the one on the cable requiring maintenance and write the same port numbers on it.
  2. Connect a pair of crossbar cables (optical) to the chassis of the physical partition and the crossbar box.
    Connect the crossbar cables to the locations of crossbar unit ports described on the label.
    There are three types of crossbar cables (optical). Connect crossbar cables of the same type to the same port numbers.
    You can distinguish the type of crossbar cable by the tab shape. (See Figure 11-10.)
Note - There is no problem if you connect the crossbar cables (optical) at the crossbar box while electricity is supplied.
Caution - If you insert a connector with the tab pulled, the connector may be damaged.
Figure 11-10  Crossbar Cable (Optical) Shapes and Tabs
Figure 11-10 Crossbar Cable (Optical) Shapes and Tabs
Number in Figure Description
1 Tab
Insert the crossbar cable (optical) by holding the connector part of the cable and inserting it straight into the opening. Do not hold the cable by the cable or tab part when inserting it.
Caution - If you insert a connector with the tab pulled, the connector may be damaged.
Note - Confirm that the crossbar cables (optical) are correctly connected and secure.
Note - After installing the crossbar cables (optical), use a hook-and-loop fastener to bundle the cables together and secure them to the rear cable support.
  1. Confirm that the crossbar cables are correctly and firmly connected.
    With the crossbar cables connected to their ports, push in each cable while holding the joint (A in Figure 11-11) at the base of the crossbar cable connector.
Caution - A loose crossbar cable connection may, on rare occasions, cause an error due to poor connection. After connecting a crossbar cable, push it in again so that it is tightly in place to prevent any improper connection. Do not hold only the fiber optic cable when performing the work at this time. Otherwise, the fiber optic cable may bend out of shape.
Figure 11-11  Part to Hold When Checking a Crossbar Cable Connection
Figure 11-11 Part to Hold When Checking a Crossbar Cable Connection
The FRU installation work is completed. See "Chapter 7 Maintenance Flow" to continue maintenance work.

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