Lacie Spare 12big Rack Network User Manual - Page 8

The Enclosure Core Product

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LaCie 12big Rack Network User Manual System Overview 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 Network 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

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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