ETERNUS JX40 S2
Operating Manual
37
Operating and Indicator Elements
Rear Side
4.2.1
I/O Module
The I/O module is a component that controls how the controller and the drives
interact.
Figure 15: I/O module of the ETERNUS JX40 S2
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.
