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Chapter 3: System Interface
NIC1: Indicates network activity on GLAN1 when ashing.
NIC2: Indicates network activity on GLAN2 when ashing.
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Power Failure: When this LED ashes, it indicates a failure in the redundant power
supply.
Overheat/Fan Fail: When this LED ashes, it indicates a fan failure. When con-
tinuously on (not ashing) it indicates an overheat condition, which may be caused
by cables obstructing the airow in the system or the ambient room temperature
being too warm. Check the routing of the cables and make sure all fans are pres-
ent and operating normally. You should also check to make sure that the chassis
covers are installed. Finally, verify that the heatsinks are installed properly. This
LED will remain ashing or on as long as the overheat condition exists.
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