184 Upgrade and Maintenance Manual TX120 S3
Expansion cards and backup units
Ê If applicable, ensure to note down your current network settings in the
operating system.
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 If applicable, disconnect external cables to the expansion card.
Ê Remove the server cover as described in section "Opening the server" on
page 61.
Ê Locate the defective expansion card using the onboard Local Diagnostic
LEDs as described in section "Onboard indicators and controls" on
page 430.
9.2.3.3 Removing an expansion card
Ê If applicable, remove SFP+ transceiver modules from the expansion card to
be removed, as described in section "Replacing SFP+ transceiver modules"
on page 232.
Ê Remove the defective expansion card as described in section "Removing
expansion cards" on page 180.
9.2.3.4 Installing an expansion card
Ê Install the new expansion card as described in section "Installing expansion
cards" on page 176.
Ê If applicable, reinstall SFP+ transceiver modules on the replacement
expansion card, as described in section "Installing SFP+ transceiver
modules" on page 224.
9.2.3.5 Connecting cables to the expansion card
Ê If applicable, connect internal cables to the expansion card.
I For a complete cabling overview, please refer to section "Cabling" on
page 365.
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