Rear-Access Tray Components - Sun Microsystems J4200 System Overview Manual

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
FIGURE 1-9
Figure Legend
ID Component
1 SIM Modules
2 Fan Modules
3 Power Supply Modules
shows the J4200 Array rear-access components.
J4200 Array Rear-Access Components
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).
Two removable cooling fan modules. Fan Module 0 is
on the left and Fan Module 1 is on the right.
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
2
3
Description
Chapter 1 The Sun Storage J4200/J4400 Array 11