140 Maintenance Manual RX900 S1
Expansion cards and BBU

8.6.2 Starting the task

IRead the accompanying documentation supplied with the expansion
card before proceeding.
ÊPerform the following procedures:
1. "Opening the rack door" on page40
2. "Locate the faulty server" on page37
3. "Sliding the server out of the rack" on page42
4. "Removing the rear cover" on page46
5. "Locate the faulty component by PRIMERGY diagnostics indicators" on
page 39
6. If applicable: "Mounting expansion card slot brackets" on page107
7. If applicable: "Preparing the SFP+ transceiver module" on page115

8.6.3 Deactivating the expansion card

ÊDeactivate the expansion card using either the related PCI hot-plug software
or by pressing the light-pipe switch, see A in Figure70.
ÊWait until the light-pipe switch no longer lights up.
The slot is now zero potential.
ÊIf applicable, disconnect the cables on the expansion card.