User guide

Troubleshooting 4-7
The lower amber LED is the Bypass Port LED, which indicates that the
associated port is in bypass mode. Ports that do not detect valid FC-AL links
are placed in bypass mode by the hub. The amber LED is turned on for each
port in the bypass mode.
Figure 4-9. Bypass mode LED on the Storage Hub 12
Fan Assembly
CAUTION: Failure to follow the instructions in this section can result in
component damage.
If the fan assembly LED is amber, the replace the fan assembly as soon as
possible.