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Hardware Components and LEDs
This section describes the main hardware components of your storage system
enclosures.
Controller Components and LEDs
The controller enclosure can be connected through switches to Ethernet adapters
(NICs) or host iSCSI ports. Table 1-1 describes the enclosure components.
Table 1-1 Controller Enclosure Components
Description
iSCSI controller (I/O) module
SAS or SATA drive module
AC power-and-cooling module
1-Gbps Ethernet host port
3-Gbps, 4-lane SAS expansion port
Ethernet port (RJ-45)
CLI port (RS-232 micro-DB9)
Service port (RS-232 3.5-mm jack)
1 Air-management system drive blanks or I/O blanks must fill empty slots to maintain optimum airflow through the chassis.
Quantity
1
1 or 2
2–12 per enclosure
2 per enclosure
2 per controller module
1 per controller module
1 per controller module
1 per controller module
1 per controller module
Chapter 1 Before You Begin
13
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