EonStor DS S12/S16/S24 Series Hardware Manual
1.4.2
Controller Module of JBOD Models
S12S-J1000, S16S-J1000 models (8470 SAS)
S12S-J1002R, S12S-J2000RS, S16S-J2000RS models (8088 SAS)
SAS In Port
SAS Out Port
Convection Holes
Status LED
Ejection Lever
The expander controller contains a circuit board within a metal canister, interfaced
through hot-swap docking connectors at the back-end. Two SAS wide ports on the
interface faceplate connect to a managing RAID system or other expansion
enclosures.
WARNING
Although the controller can be removed, it contains no user-serviceable components.
The only time you should touch the controller is to replace a failed controller. The
controller is built of sensitive components and unnecessary tampering can damage
the controller.
Ejection levers:
Two ejection levers on the sides of the module help installing
and retrieving the controller.
SAS ports:
Each expander controller has two SAS ports labeled SAS-IN and
SAS-OUT. The 4x SAS wide port is capable of multi-lane bandwidth at full-duplex
operations. Each JBOD enclosure comes with one or two 50cm inter-enclosure
expansion cables according to single- or dual-controller configuration.
Status LED:
When lit, it indicates the expander module is ready for operation
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