LED State Description
PWR Off The unit power is off.
Green (Solid) Normal operation.
Status Off System cannot work properly
(like temperature is too high).
Amber (Solid) The system failed self-test.
Green (Solid) Normal operation.
UP/Down Off No Stack-up or Stack-down
connection is detected.
Amber (Solid) A Stack-up or Stack-down
cable is detected, but
adjacency has not been
completed.
Green (Solid) The unit has formed a neighbor
with an adjacent unit over the
Stack-up or Stack-down cables.
Base Off The unit is operating in a
standalone mode, or not the
stack base unit.
Amber (Solid) The unit is operating as the
T
emporary Base Unit.
Green (Solid) The unit is operating as the
Base Unit for the designated
stack.
Green (Blinking) There is a stack configuration
error. Either multiple base units
or no base unit is configured in
the stack.
Table 11: Shared SFP transceiver Port LED state indicators
Label Color/Status Description
In Use Green/steady The port has a link established.
Off The port does not have a link
established.
LNK/ACT Green/steady This link is operating normally.
Green/blinking There is activity on the port.
Green/slow blinking The port has been disabled by
the software.
Off Indicates that the link has been
lost.
Installing the Switch
February 2020 Installing Ethernet Routing Switch 3600 Series 36
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