RX900 S1 Maintenance Manual 147
Expansion cards and BBU

8.6.9 Activating the expansion card

ÊActivate the expansion card using either the related PCI hot-plug software or
by pressing the light-pipe switch, see A in Figure69.
The light-pipe switch flashes green. The slot is in the enable sequence.
ÊWait until the light-pipe switch is constantly green.
The slot is now powered on.
IIf the light-pipe switch continues to flash, an error has occurred.
Remove the expansion card and repeat the procedure as described
above.

8.6.10 Completing the task

ÊPerform the following procedures to complete the task:
1. "Installing the rear cover" on page48
2. "Mounting the server in the rack" on page49
3. "Closing the rack door" on page51