202 Upgrade and Maintenance Manual TX120 S3
Expansion cards and backup units
9.3.3 Removing a BBU
V CAUTION!
Do not throw battery backup units into the trash can. Batteries must be
disposed of in accordance with local regulations concerning special
waste.
For further safety information, please refer to section "Environmental
protection" in the PRIMERGY TX120 S3 Server Operating Manual.
9.3.3.1 Required tools
● Preliminary and concluding steps: tool-less
● Removing a BBU: tool-less
9.3.3.2 Preliminary steps
Before removing a BBU, perform the following steps:
Ê Locate the defective server as described in section "Locating the defective
server" on page 50.
Ê Shut down the defective server as described in section "Shutting down the
server" on page 58.
Ê Disconnect the AC power cord from the system.
Ê Remove the server cover as described in section "Opening the server" on
page 61.
Ê Open the front cage as described in section "Opening the front cage" on
page 66.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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