14
Rotary ID switch in expansion enclosure systems (4):
The rotary ID switch is for users to
set a unique ID to each expansion enclosure when connected in a multi-array environment.
Handles (5):
There are handles on both sides of the enclosure for users to pull / push the
enclosure out and into the cabinet when the enclosure is installed on a slide rail rackmount
system.
Rackmount holes (6):
There are two rackmount holes (one on each side of the enclosure)
for users to secure the enclosure onto the cabinet.
Hard drive status LED (7):
There is a set of hard drive status LEDs right hand side or
below of the hard drive tray to indicate operation status.
Rear Panel
#
Description
#
Description
1
Controller A
3
Power cooling module
2
Controller B
Controllers (1) / (2):
Each controller module contains a main circuit board and a pre-
installed DIMM module. For Single-Controllers, a
dummy cage
will be placed at the
controller
(2)
position. The host port configurations will vary. For details, see Rear Panel
Components.
PSU (3):
The hot-swappable PSUs provide power to the system.
There is a cooling module within each PSU.
Each power supply contains the following fans:
PSU
Fan
PSU 0
PSU 1
System fan IDs
0 & 1
2 & 3
Please refer to your specific system for details shown in later sections of this chapter.