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Chapter 2: Installing the Chassis
QXS, QXS-3, and QXS-4 Series Drive Chassis Reverse Cabling Illustrations
QX and QXS Setup Guide
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QXS-648 and QXS-656 Systems
Model
Host Connect
SFF 48-Drive Chassis
LFF 56-Drive Chassis
2U48
FC (8/16 Gb) SFP option 10
GbE iSCSI SFP option
1 GbE iSCSI SFP option
mini-SAS to mini-SAS
mini-SAS to mini-SAS
4U56
mini-SAS to mini-SAS
mini-SAS to mini-SAS
2U48
HD mini-SAS
mini-SAS to mini-SAS
mini-SAS to mini-SAS
4U56
mini-SAS to mini-SAS
mini-SAS to mini-SAS
2U48: Chassis measuring two rack units high, providing 48 SFF (2.5") sledded disk drive modules.
4U56: Chassis measuring four rack units high, providing 56 LFF (3.5") sledded disk drive modules.
The 4U56 drive chassis are designed for NEBS compliance; however, the 2U48 drive chassis are not.
Table 7:
Summary of Mini-SAS cable type requirements and related chassis characteristics
QXS, QXS-3, and QXS-4 Series Drive Chassis
Reverse Cabling Illustrations
This section covers the following systems:
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QXS-312 (2U12) and QXS-324 (2U24)
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QXS-412 (2U12), QXS-424 (2U24), QXS-448 (2U48), and QXS-456 (4U56)
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QXS-1200 (2U12)
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QXS-2400 (2U24)
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QXS-5600 (4U56)
Note:
For clarity, the images show only relevant details such as face-plate outlines and expansion
ports.
Example: Dual-controller Chassis with 1 Drive Expansion Chassis
Cable the RAID Chassis to the Expansion Chassis as shown in the following image.
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Use the reverse cabling method shown in the following image to ensure the highest level of fault
tolerance.