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LED Descriptions
A-4 Problem Solving
LED Name Off On (Green) On (Yellow) Flashing
LDM Activity
LED
N/A Indicates high
traffic.
N/A Transmitting or
receiving
packets.
Port Status LEDs No valid link
being received
on the port.
No cable is
attached.
Port is broken.
Port is enabled
onto the front
panel and is
receiving a valid
link.
Port failure. (Green)
Port is
management
disabled for
forwarding but
is still receiving
a valid link.
Port Activity
LEDs
No traffic is
being received/
transmitted to
the port.
Port is enabled
onto the front
panel and is
receiving a valid
link.
N/A (Green)
Port is receiving/
transmitting
traffic on the
front panel.