Chapter 2: Installing the Chassis
QXS, QXS-3, and QXS-4 Series Drive Chassis Straight Cabling Illustrations
QX and QXS Setup Guide
80
Figure 78:
Cabling connections between a dual-controller chassis and one drive expansion chassis
Controller B
Controller A
RAID
Chassis 0
Expansion
Chassis 1
0A
0B
1A
1B
OUT
OUT
IN
IN
Example: Dual-controller RAID Chassis with 3 Drive Expansion
Chassis
The following figure shows straight-through cabling, of a dual-controller RAID chassis and 3 expansion
chassis configured with dual-expansion I/O modules. Controller module 0A is connected to expansion I/O
module 1A, with a chain of connections cascading down (blue). Controller I/O module 0B is connected to the
lower expansion I/O module (4B), of the last drive chassis, with connections moving in the opposite direction
(green).
