![](/html/2a/2a14/2a14075f188ed0cd6fa2729e2a1618eb3ee7b3bb1a33fdeee24570ce5836bef0/bg2.png)
Copyright © 2017 iXsystems, Inc. All rights reserved.
All trademarks are the property of their respective owners.
1 ES12 Expansion Shelf
The TrueNAS®ES12 is 2U, 12-bay, SAS3 (12 Gb/s) expansion shelf with dual expansion modules and redundant power
supplies.
Note: TrueNAS®units are carefully packed and shipped with trusted carriers to arrive in perfect condition. If there
is any shipping damage or any parts are missing, please take photos and contact iXsystems support immediately at
support@iXsystems.com or 1-855-GREP4-iX (1-855-473-7449) or 1-408-943-4100.
Please locate and record the hardware serial numbers on the back or side of each chassis for easy reference.
Carefully unpack the shipping boxes and locate these components:
ES12 Expansion Shelf ES12 Bezel
Set of rackmount rails. The rails have a specific front end,
identified by a label visible on the left above. The front
ends of the rails must be installed facing the front of the
rack.
Accessory kit with 2 IEC C13 to NEMA 5-15P power cords, 2
IEC C14 to C14 cords, and a set of velcro cable ties
A total of 12 populated or empty “air baffle” drive trays.
Trays must be installed in all bays to maintain proper airflow for cooling. Up to ten drive trays are packed in a cardboard tray. Additional drive trays are packed with the accessory kit.
Two 3-meter Mini SAS HD to Mini SAS HD cables
1
![](/html/2a/2a14/2a14075f188ed0cd6fa2729e2a1618eb3ee7b3bb1a33fdeee24570ce5836bef0/bg3.png)
1.1 Become Familiar With the ES12 System
The ES12 has front panel indicators for power, locate ID, and fault. The fault indicator is on during the initial poweron self-test (POST) and turns off during normal operation. It turns on if the TrueNAS®software issues an
(https://support.ixsystems.com/truenasguide/tn_options.html#alert).
The ES12 contains two expansion modules in a side-by-side configuration. The connectors and features on each module
are:
alert
1-3: HD Mini SAS3 connectors (T1-T3)
4: Debug port (TrueNAS®internal use only)
5: Redundant power supplies
2