10 Gb Net Unit extension Net Unit
34 U41861-J-Z126-4-76
DIAG LED
MS LED
HA LED
LED state Status of hardware Recommended action
Off (no light) Diagnostic is off. No action required.
Blinking green System self-diagnostic test is in
progress.
No action required.
Steady green System self-diagnostic test is
successfully completed.
No action required.
Steady amber System self-diagnostic test has
detected a fault.
Contact support.
LED state Status of hardware Recommended action
Off (no light) Stacking mode is enabled and the
switch is a stack member, or the
switch is operating in standalone
mode.
No action required.
Steady green Stacking mode is enabled and the
switch is the stack master.
No action required.
Steady amber Stacking mode is enabled and the
switch is in slave mode.
No action required.
LED state Status of hardware Recommended action
Off (no light) System high availability mode is
disabled.
Verify stacking cables are
connected.
Steady green System is operating in high
availability mode.
No action required.
Steady amber System is preparing to operate in
high availability mode.
No action required.
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