EonStor / EonStor DS S12/S16/S24 Series
14
Rear Panel Components
75
Controller Module of RAID Models
Designation Description
Designation
Description
1
Host ports
6
Serial port
2
Convection holes
7
Ethernet management port
3
SAS expansion port
8
Restore default button
4
Hybrid host ports (selected models
9
Restore default LED
5
Controller status LED
1
2
3
4
5
6
7
8
9
1
2
3
5
6
7
8 9
The controller on the dual controller models also features a
C
ache
B
ackup
M
odule
(CBM), consisting of a
B
attery
B
ackup
U
nit (BBU) and
F
lash
B
ackup
M
odule (FBM).
The CBM and its components might be optional items. See
for details.
The controller module contains no user-serviceable components except when users
are installing/ upgrading the cache memory or installing/replacing a CBM, the
controller module should never be removed or opened.
WARNING
The only time you should remove the controller is to install/replace the memory
modules, CBM or a failed controller. The RAID controller is built of sensitive
components and unnecessary tampering can damage the controller.
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