Chapter 1 – System Housing 1-11
1.6 Installing Hot-Swap Cages
You can install either one BPL3 hot-swap cage or one BPL5 hot-swap cage into the
system housing. The system housing comes with one BPL5 hot-swap cage.

BPL3 and BPL5 Hot-Swap Cage Comparison Table

BPL3 BPL5
Dimension occupied Two 5.25” bays Three 5.25” bays
Cooling fans Two 6 cm fans One 12 cm fan
Power LED, HDD Access
LED, HDD Fail LED Yes Yes
HDD Support SCA HDD SCA HDD
Transfer Rate 80MB/s Ultra2
LVD 80MB/s Ultra2
LVD
SCSI Termination Yes Yes
SCSI out (for termination
or expansion) Yes Yes
See section 1.10 for additional information about BPL3 and BPL5 backplane
boards.