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
Temporary 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