Theyellow warning labelis a critical indicator toprevent damagewhen servicing themidplane and ribbon cable connections.
Reason for Warning Label:
Theflat panel/ribbon cable is delicateand isconnected between multiple system components.
If themidplane is removed first, itstretches and applies force on the ribbon cable, leading to:
Broken cable connectors
Torn ribbon cable
System interface failure(front panel controls, LED indicators, or data communication)
Why other options are incorrect?
A (Cable is hot)→ Ribbon cablesdo not generate heatand thisis not the purpose of the warning label.
B (Remove after midplane)→ Thecable must be removed BEFORE the midplane, not after.
C (Optional removal)→It is mandatory, not optional, to prevent damage.
Official Documentation Reference:
Supermicro AS-8125GS-TNMR2 Maintenance Manualstates thatremoving the flat panel/ribbon cable firstisa required stepbefore handling the midplane.
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