Using Storage System LEDs for Troubleshooting
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RAID Loopback LRC I/O Module LEDs
The LEDs on the rear of the RAID loopback LRC I/O module function similarly to those
on the RAID LRC I/O modules. See “RAID LRC I/O Module LEDs” on page 85 for more
information.
JBOD LRC I/O Module LEDs
Figure 5-5 shows the JBOD LRC I/O module LEDs.
Figure 5-5 JBOD LRC I/O Module LEDs
RS232
FC-AL
Loops
ESI fault LED
FC-AL signal present LED
FC-AL signal present LED
RS 232 port
FC-AL signal present LED
FC-AL signal present LED
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