LaCie 12big Rack Network
System Overview
User Manual
page 8
1.2. The Enclosure Core Product
The LaCie 12big Rack Network design concept is based on an
enclosure subsystem together with a set of plug-in modules and (as
supplied) comprises:
✦
An Enclosure Chassis comprising:
– A Backplane PCB,
– An Enclosure Management PCB,
– An SAS Expander PCB, to branch from 4 to 12 SAS ports,
supporting SATA tunnelling protocol,
– An integral Operator’s (Ops) Panel,
– An integral Rear Panel, incorporating an Enclosure ID LED
and an NMI push-button (See
Fig. 09
), and
– A Power Supply Mounting Cage containing two 850W,
100-240V AC auto-ranging, plug-in Power Supply Units,
(see
Fig. 07
),
✦
An ATX Server Subsystem, please refer to section
1.4. ATX
Server Subsystem
for details.
✦
A Cooling Cage, containing 10 high speed single rotor axial
Fans which are individually pluggable.
✦
Up to 12 Drive Carrier modules with 3.5” drives installed,
(See
Fig. 09
). The minimum number of drives which should
be installed is 4.
NOTE:
Dummy Drive Carrier modules must be fitted in all unused
drive bays.
The High Speed Serial architecture of the LaCie 12big Rack Net-
work storage system provides one 4-channel SAS cable from the
SAS Expander PCB to the Motherboard or to the rear mounted SAS
Controller/s (if fitted).
Module and major component locations are shown in
Fig. 02
.
Fig. 03 - Module Locations
