Rear Panel; Internal Backplane - Infortrend EonStor GSa 3000 Series Hardware Manual

1.2.2

Rear panel

Single controller system
Dual controller systems
Number
11
11
WARNING! DO NOT remove the redundant components without a replacement on hand.
11
11
1.2.3

Internal backplane

The internal backplane is a circuit board that separates the front and rear parts of the chassis. This
provides logic level signals and low voltage power paths. The thermal sensors and I
embedded to detect system temperatures and PSU/cooling module's operating status. This board is
comprised of non user-serviceable components.
WARNING!
•
•
EonStor GSa 3000 Series Hardware Manual
Part Description
This controller module contains the SAS expansion board which
distributes I/O functions to and from the managing RAID system.
Controller A
This also handles the status of the components via the SAS links
with the RAID system.
This part contains the second controller, also called the redundant
controller. This controller takes over the system functions when
Controller B or
Controller A fails to process.
dummy cage
For single-controller system, this contains a dummy cage.
PSU/cooling These hot-swappable modules provide power to the storage
module system and each module has a built-in fan.
Power button This button allows you to turn ON/OFF your storage system.
Accessing the backplane board may lead to serious damage to the system.
Physical contact with the backplane board may cause electrocution.
C devices are
2
1-3