Quantum QXS 12G Series Site Planning Manual page 25

Expansion Chassis
Figure 18 provides a rear view of the 2U12-drive expansion chassis rear panel. The expansion chassis
attaches to the RAID chassis for additional storage.
3
IOM A
1
3 PSU0
Expansion Chassis IOM
Figure 19 provides a rear view of the expansion chassis IOM used in the 2U12-drive systems. Ports
A/B/C ship configured with 12Gb/s HD mini-SAS (SFF-8644) external connectors.
1
SAS Port
1
3 SAS Port B
5 Ethernet Port
IMPORTANT: RAID chassis and expansion configurations:
• When the expansion chassis shown above
storage, its middle HD mini-SAS expansion port ("B") is disabled by the firmware.
• The Ethernet port on the expansion module is not used in RAID chassis and expansion
configurations, and is disabled.
Figure 18 2U12 Expansion Chassis Rear View
1
2
4
Figure 19
2 3
6
2
4
6
2
IOM B
PSU1
Expansion Chassis IOM
4
SAS Port A
SAS Port C
Lock/Release Handle
(Figure 18) is used with RAID chassis for adding
QXS-312/412 12G System Specifications
4
5
17