QXS-4 Series Specifications
23
56 Drive Expansion Chassis: Rear Panel Components
Figure 22
provides the 4U56 drive expansion chassis (rear panel components).
Figure 22
4U56
Drive Expansion Chassis (
rear panel components
)
Figure 23
provides the 4U56 drive expansion I/O module (ports identified).
Figure 23
Expansion I/O Module (ports identified)
LINK
LINK
SERVICE
T
U
O
N
I
LINK
LINK
SERVICE
T
U
O
N
I
3
4
5
5
3
4
1
2
1
Expansion I/O module A
2
Expansion I/O module B
3
AC power supply switch
4
Power supply module
5
Fan control module (FCM)
LINK
LINK
SERVICE
T
U
O
N
I
1
2
3
4
1
Disabled button (used by engineering/test only)
2
Service port (used by service personnel only)
3
mini-SAS In port
4
mini-SAS Out port
