TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 431
Expansion cards and backup units
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 582.
Ê Remove the defective expansion card as described in section "Removing
expansion cards" on page 424.
Ê If the slot bracket on the defective expansion card is to be reused, remove it
from the board as described in section "Preparing the expansion card" on
page 415.
9.2.3.4 Installing an expansion card
Ê If applicable, install a slot bracket on the new expansion card as described
in section "Preparing the expansion card" on page 415.
Ê Install the new expansion card as described in section "Installing expansion
cards" on page 413.
Ê If applicable, reinstall SFP+ transceiver modules on the new expansion
card, as described in section "Installing SFP+ transceiver modules" on
page 575.
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
overviews" on page 911.
9.2.3.6 Connecting a backup unit to the expansion card
Ê If applicable, connect a BBU or FBU to the expansion card as described in
sections "Installing a BBU" on page 542 or "Installing an FBU" on page 550.
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