122
4.12
Device
Front
Panel
Device
Front
Panel
command
allows
you
to
see
LED
status
of
the
switch.
You
can
see
LED
and
link
status
of
the
Power,
DO,
DI,
R.M.
and
Ports.
Feature
On
/
Link
UP
Off
/
Link
Down
Other
Power
Green
Black
Digital
Output
Green
Black
Digital
Input
Green
Black
R.M.(Ring
Master)
Green
Black
Fast
Ethernet
Green
Black
Gigabit
Ethernet
Green
Black
SFP
Green
Black
Gray:
Plugged
but
not
link
up
yet.
Note:
No
CLI
command
for
this
feature.