270 Upgrade and Maintenance Manual TX140 S1
Expansion cards and backup units
9.3.5.5 Installing a new BBU
Ê Install the new BBU into the BBU holder as described in section "Preparing
the BBU" on page 246.
Ê Install the BBU holder into the chassis as described in section "Installing the
BBU holder into the chassis" on page 249.
Ê Connect the BBU to the controller.
9.3.5.6 Concluding steps
Perform the following procedures to complete the task:
Ê Reinstall the fan module as described in section "Installing the fan module"
on page 209.
Ê Close the side / top cover as described in section "Mounting the top cover"
on page 80 (rack server) or "Mounting the side cover" on page 85 (tower
server).
Ê When working on a rack-mounted server, secure it in the rack as described
in section "Sliding the server into the rack" on page 89.
If the server has been completely removed from the rack for maintenance
purposes, reinstall and secure it in the rack as described in section
"Mounting the server in the rack" on page 87.
Ê Reconnect the AC power cord to the power supply unit and secure it with a
cable tie as described in section "Connecting the server to the mains" on
page 90.
Ê If applicable, close the rack door as described in section "Closing the rack
door" on page 92.
Ê If applicable, update the firmware of the RAID controller that has been
connected to the BBU as described in section "Updating RAID controller
firmware" on page 105.
Ê Enable boot watchdog functionality as described in section "Enabling SVOM
boot watchdog functionality" on page 110.
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