Chapter 1 About the SC200/220
4
Storage Center SC200 and SC220 Enclosures Service Guide
Enclosure Management Module Features and Indicators
SC200 and SC220 enclosures include two EMM IO modules in two interface slots.
Figure 4. SC200/SC220 EMM Features and Indicators
Item
Control/Feature
Icon Description
1
System status indicator
Not used on SC200/SC220
2
Debug port
For engineering use only
3
SAS port A (in)
Connect to the controller or to other enclosures
4
In port link status
indicator
•
Green
: All the links to the port are connected
•
Amber
: One or more links are not connected
•
Off
: Enclosure is not connected
5
SAS Port B (out)
Connect to the controller or to other enclosures
6
Out port link status
indicator
•
Green
: All the links to the port are connected
•
Amber
: One or more links are not connected
•
Off
: Enclosure is not connected
7
EMM status indicator
•
Steady green
: Normal operation
•
Amber
: Enclosure did not boot or is not properly
configured
•
Blinking green
: Auto update in process
•
Blinks amber twice
: Enclosure is unable to
communicate with other enclosures
•
Blinks amber four times
: Firmware update failed
•
Blinks amber five times
: Firmware versions are
different between the two EMMs
Compellent SC2
1
2
7
3
4
5
6