User manual
SAS to SAS/SATA II RAID Subsystem
User Manual
27
Part Description
Host Channel A, B
Two host channels (A and B) are available and
can be use to connect to SAS HBA on the Host
system, or to connect to SAS switch.
SAS Expansion Port
Use for expansion; connect to the SAS In Port of
a JBOD subsystem.
Debug Port Use to check controller debug messages.
Monitor Port
Use to manage the RAID subsystem via serial
terminal console.
R-Link Port
Use to manage the RAID subsystem via network
and web browser.
Indicator LED Color Description
Green Indicates Host Channel has connected or linked.
Host Channel
A, B
Activity LED
Blue
Indicates the Host Channel is busy and being
accessed.
Green Indicates expander has connected or linked.
SAS Expander
Activity LED
Blue
Indicates the expander is busy and being
accessed.
Fault LED
Blink
RED
Indicates that controller has failed.
Blink
Green
Indicates that controller is working fine.
CTRL
Heartbeat LED
Solid
Green
Indicates that controller is hung.
In replacing the failed Controller Module, refer to section 6.3.1 of this
manual.