Sun Microsystems Sun Storage J4200, System Overview Manual

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Chapter 1 The Sun Storage J4200/J4400 Array 11
Rear-Access Tray Components
Aside from a larger form factor, the J4200 and J4400 rear components are different.
The J4200 has separate power supplies and fans, where the J4400 has an integrated
power supplies and fan modules.
There are three mini-SAS connectors:
■
The inbound connection is from the data host and management server.
■
The two outbound connections are to another host or to an interconnected
J4200/J4400.
FIGURE 1-9
shows the J4200 Array rear-access components.
FIGURE 1-9
J4200 Array Rear-Access Components
Figure Legend
ID Component Description
1 SIM Modules
Two removable SAS Interface Module (SIM) boards.
Each has a Host or SIM Link In port, a Host Out port, a
SIM Link Out port, and an RJ-45 port for serial console
access (reserved for Sun Customer Support personnel).
The SIM boards are identified as SIM 0 (bottom) and
SIM 1 (top).
2 Fan Modules
Two removable cooling fan modules. Fan Module 0 is
on the left and Fan Module 1 is on the right.
3 Power Supply Modules
Two removable power supply modules with built-in
fans. Power Supply 0 is on the left and Power Supply 1
is on the right.
1
3
2