TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 569
Expansion cards and backup units
9.7.6.5 Installing a new BBU module
Ê Install the new BBU into the BBU holder as described in section "Preparing
the BBU" on page 543.
Ê Install the BBU holder into the chassis as described in section "Installing the
BBU holder into the chassis" on page 545.
Ê Connect the BBU to the controller.
9.7.6.6 Concluding steps
Perform the following procedures to complete the task:
Ê Reinstall the system fan holder as described in section "Installing the system
fan holder" on page 390.
Ê Reinstall the air duct as described in section "Installing the system air duct"
on page 102.
Ê Close the side / top cover as described in section "Mounting the top cover"
on page 115 (rack server) or "Mounting the side cover" on page 122 (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 132.
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 130.
Ê Reconnect the AC power cords to the power supply units and secure them
with PSU cable brackets as described in section "Connecting the server to
the mains" on page 133.
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 153.
Ê Enable boot watchdog functionality as described in section "Enabling SVOM
boot watchdog functionality" on page 159.