Item Name Icon Description
• REPL port: Embedded iSCSI port that is typically used for 
replication to another Storage Center
4 Cooling fan fault 
indicator (2)
• Off: Normal operation
• Steady amber: Fan fault or the storage system is having a 
problem communicating with the PSU
• Blinking amber: PSU is in programming mode
5 AC power fault 
indicator (2)
• Off: Normal operation
• Steady Amber: PSU has been removed or the storage 
system is having a problem communicating with the PSU
• Blinking amber: PSU is in programming mode
6 AC power status 
indicator (2)
• Off: AC power is off, the power is on but the PSU is not in 
the storage system, or a hardware fault is possible
• Steady green: AC power is on
• Blinking green: AC power is on and the PSU is in standby 
mode
7 DC power fault 
indicator (2)
• Off: Normal operation
• Steady amber: PSU has been removed, a DC or other 
hardware fault has occurred, or the storage system is 
having a problem communicating with the PSU
• Blinking amber: PSU is in programming mode
8 Power socket (2) — Accepts a standard computer power cord.
9 Power switch (2) — Controls power for the storage system. Each PSU has one 
switch.
SCv2000/SCv2020 Storage Controller Features and Indicators 
An SCv2000/SCv2020 storage system includes up to two storage controllers in two interface slots.
SCv2000/SCv2020 Storage System Storage Controller with Fibre Channel Front-End Ports
The following figures show the features and indicators on a storage controller with Fibre Channel front-
end ports.
Figure 8. SCv2000/SCv2020 Storage System Storage Controller with Four 8 Gb Fibre Channel Front-End 
Ports
About the SCv2000/SCv2020 Storage System
17