IBM x3850 X6 Planning And Implementation Manual page 177

Power LED
Attention LED
Figure 5-36 Location of the Attention button and LEDs on an Optional I/O Book
3. Wait for all three power indicators to turn off (see Figure 5-36). It is now safe to remove the
I/O Book.
4. Open the I/O Book cam handle.
5. Slide the I/O Book out and away from the server.
Figure 5-37 shows add and removal of the Half-length I/O Book.
Handle
Filler panel
Figure 5-37 Add and removal of a Half-length I/O Book
Attention button
Handle
Release latch
Chapter 5. Preparing the hardware
161