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12 Chapter 2 DSN-5000 Series Primary Array Layout
2.2 Rear Panel Components
The rear panel of the DSN-5000 series primary array controller has the following components
(see Figure 2-4 and Figure 2-5):

Four or Eight 1-Gigabit RJ-45 iSCSI data ports, or one 10-Gigabit XFP iSCSI data port are
located on the rear panel of the DSN-5000 series chassis controllers. Each iSCSI data port
has port speed and port activity LEDs (see Table 2-4 for the xStack Storage DSN-5110-10
and DSN-5210-10, and Table 2-5 for the xStack Storage DSN-5410-10).

Management port (MGMT) - one 10/100/1000 RJ-45 management port is located to the
right of the iSCSI data ports. The management port has port speed and port activity LEDs
(see Table 2-4)

Diagnostic port (DIAG) - one 115.2 Kbps RS-232-C diagnostic port (stereo mini-jack) is
located above the top-right corner of the management port. To connect to this port, use
the diagnostic cable supplied with your xStack Storage system.

Expansion ports (EXP0 and EXP1) - two expansion ports are located to the right of the
management port. These connectors let you attach up to six DSN-5000-10 expansion
arrays to the primary array to increase the array’s storage capabilities (see Section 4.7
for more information).

Reset switch and restart switch - are located above the expansion ports. For an
explanation of these switches, see Table 2-6.

Ready/fault, battery status and A/B LEDs - are located above the expansion ports (see
Table 2-7).
The rear panel of the DSN-5000 series primary array enclosure has two AC power receptacles
and power switches. For an explanation of the power receptacles and power switches, see
Sections 3.7 and 3.8. The Mute Audio Alarm button is located on the module that is located
between the two AC power supply modules.
Figure 2-4. Rear View of the DSN-5210-10 series Primary Array
Four or eight 1-Gigabit
iSCSI RJ-45 Ports
One Management Port
Two SAS Expansion Ports
Rear Panel Status LEDs
Rear Panel Switches
Redundant Controller or
Filler Plate in Slot #1
Primary Controller in Slot #0
Mute Audio
Alarm Button