User`s guide

Using Storage System LEDs for Troubleshooting
007-4522-003 85
RAID LRC I/O Module LEDs
Figure 5-3 shows the LEDs on the dual-port RAID LRC I/O module.
Figure 5-3 Dual-port RAID LRC I/O Module LEDs
Fault
RS 232
2 Gb
Host 0
2 Gb
Host 1
Expansion
ESI fault LED
RAID fault LED
RAID activity LED
Cache active LED
RS 232 port
Host port 0 signal good LED
2 Gb/s link speed
Host port 1 signal good LED
2 Gb/s link speed
Drive loop signal good LED
Drive FC expansion port