Attention: Handle and install fiber-optic cables properly to avoid degraded
performance or loss of communications with devices. For specific handling
guidelines, see “Handling fiber-optic cables” on page 49.
6. Disconnect the interface cables from the SFP module.
7. Remove the failed SFP module from the controller.
8. Install the new SFP module into the controller.
9. Reconnect the interface cable.
10. Check the Bypass and Fault LEDs for the new SFP module.
11. Based on the status of the Bypass and Fault LEDs, choose one of the
following steps:
v Bypass LED or Fault LED is on - Reinstall the SFP module and cables,
and verify that the SFP module and cables are securely connected. Use the
Fibre Channel loopback and the LC-LC connector to perform path
diagnostics to make sure that the Fibre Channel cable is good and the SFP
on the other end of the Fibre Channel connection is working properly. When
finished, go to step 12.
v Bypass LED and Fault LED are off - Go to step 12.
12. Is the problem corrected?
v Yes - Go to step 13.
v No - Contact IBM Support.
13. Complete any remaining Recovery Guru procedures, if needed.
14. Use the DS Storage Manager Subsystem Management window to check the
status the status of all components in the storage subsystem.
15. Remove the anti-static protection.
16. Does any component have a Needs Attention status?
v Yes - Select the Recovery Guru toolbar button in the Subsystem
Management window, and complete the recovery procedure. If the problem
persists, contact IBM Support.
v No - Go to step 17.
17. Use the DS Storage Manager client software to print a new storage subsystem
profile.
Figure 87. Replacing an SFP module
Chapter 5. Replacing components 151
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