15
WARNING
Be careful not to warp, twist, or contort the drive tray in any way (e.g., by dropping it or
resting heavy objects on it). If the drive bay structure is deformed or altered, the drive
trays may not fit into the drive bay.
Rear Panel Components
Controller Module of Unified Storage Systems
Designation
Description
Designation
Description
1
Host ports
6
Controller status LED
2
Super capacitor
7
Management port
3
SAS expansion port
8
Mini USB port (
console port
)
4
Restore default button
9
USB Service port
5
Restore default LED
The controller also features a
Cache Backup Module
(CBM), consisting of a
supercapacitor
and a
Flash Backup Module
(FBM).
NOTE
The management port supports 100Mbs and 1000Mbs (1Gbs) speeds.
Host boards are optional add-on components! There are two host board slots, if you
are installing a host board for the first time, please install it to the slot on the left (next
to SAS exp. Ports).
WARNING
The only time you should remove the controller is to install/ replace the CBM or a failed
controller. The controller is built of sensitive components and unnecessary tampering
may damage the controller.