Quantum QXS 12G Series - Page 25

QXS-312/412 12G System Specifications 17
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.
Figure 18 2U12 Expansion Chassis Rear View
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.
Figure 19 Expansion Chassis IOM
IMPORTANT: RAID chassis and expansion configurations:
• When the expansion chassis shown above (Figure 18) is used with RAID chassis for adding
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.
1
2
3
4
1
IOM A
2
IOM B
3
PSU0
4
PSU1
2 3
4
1
5
6
1
SAS Port
2
SAS Port A
3
SAS Port B
4
SAS Port C
5
Ethernet Port
6
Lock/Release Handle