Operating and Indicator Elements
Front Side
Cisco C880 M4 Storage Subsystem Operating Manual
for Server with E7-8800 v3 CPU
25
I/O Module
The I/O module is a component that controls how the controller and the drives
interact.
Figure 13: I/O module of the Storage Subsystem
1.
SAS IN port
2.
SAS IN fault LED
3.
SAS IN link LED
4.
SAS OUT port
5.
SAS OUT link LED
6.
SAS OUT fault LED
7.
Ready LED
8.
Identify LED
9.
Fault LED
LED
LED Status
Meaning
SAS IN
link
(green)
The link between the SAS IN port and
the source port has been established.
SAS IN
fault
(amber)
not applicable
SAS
OUT
link
(green)
The link between the SAS OUT port and
the destination port has been
established.
SAS
OUT
fault
(amber)
The link between the SAS OUT port and
the destination port is in error status.
