148 Upgrade and Maintenance Manual BX900 S2
Management Blades
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Ê Verify the time settings of the new management blade as described in
section "Verifying the management blade time settings" on page 70.
Ê Disconnect the field service terminal from the management blade.
Ê If applicable, close the rack door as described in section "Closing the rack
door" on page 60.
9.4 Replacing the management blade battery
9.4.1 Required tools
● Preliminary and concluding steps: tool-less
● Installing connection blades: tool-less
9.4.2 Preliminary steps
Before replacing a management blade, perform the following steps:
Ê If applicable, open the rack door as described in section "Opening the rack
door" on page 48.
Ê Locate the desired system unit as described in section "Determining the
error class" on page 45.
Ê Locate the defective management blade as described in section "Locating
the defective component" on page 48.
9.4.3 Replacing the management blade battery
Ê Remove the defective management blade.
Field Replaceable Units (FRU)
Average task duration: 5 minutes