Quantum QXS G2 Series, Hardware Installation And Maintenance Manual

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System Overview 19
2U12-Drive/2U24-Drive Expansion Chassis Rear View
NOTE: The 2U12-drive and 2U24-drive expansion chassis rear views look identical. Figure 21
provides an illustration of the chassis rear view.
The top middle slot, Figure 21 , is the Expansion IOM A location. The lower middle slot is the
Expansion IOM B location. Both IOMs are shown in the closed/locked position.
Expansion Chassis
Figure 21 provides a rear view of the 2U12-drive or 2U24-drive expansion chassis rear panel. The
expansion chassis attaches to the RAID chassis for additional storage.
Figure 21 2U12/2U24-Drive Expansion Chassis Rear View
Expansion Chassis IOM
Figure 22 provides a rear view of the expansion chassis IOM used in the 2U12-drive or 2U24-drive
systems. Ports A/B/C ship configured with 12Gb/s HD mini-SAS (SFF-8644) external connectors.
Figure 22
Expansion Chassis IOM
1
SAS Port 2 Ethernet Port
3 USB Port 4 Serial Ports (service only)
5 Reset 6 CNC Port 0
7 CNC Port 1 8 CNC Port 2
9 CNC Port 3 10 Lock/Release Handle
1
2
3
4
1
IOM A 2 IOM B
3 PSU0 4 PSU1
2 3
4
1
5
6